• Angular momentum transfer in the binary X-ray pulsar GX 1+4
    J. G. Greenhill , D. K. Galloway , and J. R. Murray
    Publications of the Astronomical Society of Australia, v16:240-6, 1999 December
    ADS bibliographic code: 1999PASA...16..240G

  • First constraints on iron abundance versus reflection fraction from the Seyfert 1 galaxy MCG-6-30-15
    J. C. Lee , A. C. Fabian , W. N. Brandt , C. S. Reynolds , and K. Iwasawa
    Monthly Notices of the Royal Astronomical Society, v310:973-981, 1999 December
    ADS bibliographic code: 1999MNRAS.310..973L

  • Simultaneous X-ray and IR variability in the quasar 3C 273
    I. McHardy , A. Lawson , A. Newsam , A. Marscher , I. Robson , and J. Stevens
    Monthly Notices of the Royal Astronomical Society, v310:571-576, 1999 December
    ADS bibliographic code: 1999MNRAS.310..571M

  • On the nature of quasi periodic oscillations in the black hole candidate GRS 1915+105.
    S. G. Manickam and S. K. Chakrabarti
    Indian Journal of Physics Section B, v73:967-976, 1999 December
    ADS bibliographic code: 1999InJPB..73..967M

  • On the Nature of the Compact Star in 4U 1728-34
    X. Li , S. Ray , J. Dey , M. Dey , and I. Bombaci
    The Astrophysical Journal Letters, v527:L51-L54, 1999 December
    ADS bibliographic code: 1999ApJ...527L..51L

  • On the Nature of XTE J0421+560/CI Camelopardalis
    T. Belloni , S. Dieters , M. E. van den Ancker , R. P. Fender , D. W. Fox , B. A. Harmon , M. van der Klis , J. M. Kommers , W. H. G. Lewin , and J. van Paradijs
    The Astrophysical Journal, v527:345-352, 1999 December
    ADS bibliographic code: 1999ApJ...527..345B

  • A Cessation of X-Ray Dipping Activity in X1254-690
    A. P. Smale and S. Wachter
    The Astrophysical Journal, v527:341-344, 1999 December
    ADS bibliographic code: 1999ApJ...527..341S

  • The Orbital Period of the Accreting Pulsar GX 1+4
    M. G. Pereira , J. Braga , and F. Jablonski
    The Astrophysical Journal Letters, v526:L105-L109, 1999 December
    ADS bibliographic code: 1999ApJ...526L.105P

  • Statistical Properties of SGR 1900+14 Bursts
    E. GöğüS , P. M. Woods , C. Kouveliotou , J. van Paradijs , M. S. Briggs , R. C. Duncan , and C. Thompson
    The Astrophysical Journal Letters, v526:L93-L96, 1999 December
    ADS bibliographic code: 1999ApJ...526L..93G

  • Twin Peak Separation in Sources with Kilohertz Quasi-periodic Oscillations Caused by Orbital Motion
    V. Karas
    The Astrophysical Journal, v526:953-956, 1999 December
    ADS bibliographic code: 1999ApJ...526..953K

  • Localizations of 13 Gamma-Ray Bursts by the All-Sky Monitor on the Rossi X-Ray Timing Explorer
    D. A. Smith , A. M. Levine , H. V. Bradt , R. Remillard , J. G. Jernigan , K. C. Hurley , L. Wen , M. Briggs , T. Cline , E. Mazets , S. Golenetskii , and D. Frederics
    The Astrophysical Journal, v526:683-696, 1999 December
    ADS bibliographic code: 1999ApJ...526..683S

  • Keplerian frequencies and innermost stable circular orbits of rapidly rotating strange stars
    N. Stergioulas , W. Kluzniak , and T. Bulik
    Astronomy & Astrophysics, v352:L116-L120, 1999 December
    ADS bibliographic code: 1999A&A...352L.116S

  • Evidence for an ~ 80 day periodicity in the X-ray transient pulsar XTE J1946+274
    S. Campana , G. Israel , and L. Stella
    Astronomy & Astrophysics, v352:L91-L94, 1999 December
    ADS bibliographic code: 1999A&A...352L..91C

  • Detection of optical bursts from the transient X-ray source XTE J2123-058
    C. D. Gneiding , J. E. Steiner , and D. Cieslinski
    Astronomy & Astrophysics, v352:543-546, 1999 December
    ADS bibliographic code: 1999A&A...352..543G

  • Reflection and noise in Cygnus X-1
    M. Gilfanov , E. Churazov , and M. Revnivtsev
    Astronomy & Astrophysics, v352:182-188, 1999 December
    ADS bibliographic code: 1999A&A...352..182G

  • The X-ray source GRS 1915 + 105: The low-luminosity state and transitions between the states during 1996-1997 (RXTE observations)
    S. P. Trudolyubov , E. M. Churazov , and M. R. Gilfanov
    Astronomy Letters, v25:718-738, 1999 November
    ADS bibliographic code: 1999AstL...25..718T

  • The Complex Phase-Lag Behavior of the 3-12 HZ Quasi-Periodic Oscillations during the Very High State of XTE J1550-564
    R. Wijnands , J. Homan , and M. van der Klis
    The Astrophysical Journal Letters, v526:L33-L36, 1999 November
    ADS bibliographic code: 1999ApJ...526L..33W

  • X-Ray and Optical Observations of BL Hydri
    M. T. Wolff , K. S. Wood , J. N. Imamura , J. Middleditch , and T. Y. Steiman-Cameron
    The Astrophysical Journal, v526:435-444, 1999 November
    ADS bibliographic code: 1999ApJ...526..435W

  • Timing Spectroscopy of Quasi-Periodic Oscillations in the Low-Mass X-Ray Neutron Star Binaries
    L. Titarchuk , V. Osherovich , and S. Kuznetsov
    The Astrophysical Journal Letters, v525:L129-L132, 1999 November
    ADS bibliographic code: 1999ApJ...525L.129T

  • Precision Timing of Two Anomalous X-Ray Pulsars
    V. M. Kaspi , D. Chakrabarty , and J. Steinberger
    The Astrophysical Journal Letters, v525:L33-L36, 1999 November
    ADS bibliographic code: 1999ApJ...525L..33K

  • Orbital Modulation of X-Rays from Cygnus X-1 in its Hard and Soft States
    L. Wen , W. Cui , A. M. Levine , and H. V. Bradt
    The Astrophysical Journal, v525:968-977, 1999 November
    ADS bibliographic code: 1999ApJ...525..968W

  • Long-Term X-Ray Monitoring of 1E 1740.7-2942 and GRS 1758-258
    D. S. Main , D. M. Smith , W. A. Heindl , J. Swank , M. Leventhal , I. F. Mirabel , and L. F. Rodríguez
    The Astrophysical Journal, v525:901-908, 1999 November
    ADS bibliographic code: 1999ApJ...525..901M

  • The Zoo of X-Ray Sources in the Galactic Center Region: Observations with BEPPOSAX
    L. Sidoli , S. Mereghetti , G. L. Israel , L. Chiappetti , A. Treves , and M. Orlandini
    The Astrophysical Journal, v525:215-227, 1999 November
    ADS bibliographic code: 1999ApJ...525..215S

  • The 1-12 HZ QPOs and dips in GRS 1915+105: tracers of Keplerian and viscous time scales?
    S. Trudolyubov , E. Churazov , and M. Gilfanov
    Astronomy & Astrophysics, v351:L15-L18, 1999 November
    ADS bibliographic code: 1999A&A...351L..15T

  • COMPTEL detection of pulsed gamma -ray emission from PSR B1509-58 up to at least 10 MeV
    L. Kuiper , W. Hermsen , J. M. Krijger , K. Bennett , A. Carramiñana , V. Schönfelder , M. Bailes , and R. N. Manchester
    Astronomy & Astrophysics, v351:119-132, 1999 November
    ADS bibliographic code: 1999A&A...351..119K

  • A study of the new X-ray transient RXTE J2123-058 during its post-outburst state
    R. Soria , K. Wu , and D. K. Galloway
    Monthly Notices of the Royal Astronomical Society, v309:528-532, 1999 October
    ADS bibliographic code: 1999MNRAS.309..528S

  • Radiation mechanisms and geometry of Cygnus X-1 in the soft state
    M. Gierlinski , A. A. Zdziarski , J. Poutanen , P. S. Coppi , K. Ebisawa , and W. N. Johnson
    Monthly Notices of the Royal Astronomical Society, v309:496-512, 1999 October
    ADS bibliographic code: 1999MNRAS.309..496G

  • Evidence for an ionized disc in the narrow-line Seyfert 1 galaxy Ark 564
    S. Vaughan , K. A. Pounds , J. Reeves , R. Warwick , and R. Edelson
    Monthly Notices of the Royal Astronomical Society, v308:L34-L38, 1999 October
    ADS bibliographic code: 1999MNRAS.308L..34V

  • Correlations in the Quasi-periodic Oscillation Frequencies of Low-Mass X-Ray Binaries and the Relativistic Precession Model
    L. Stella , M. Vietri , and S. M. Morsink
    The Astrophysical Journal Letters, v524:L63-L66, 1999 October
    ADS bibliographic code: 1999ApJ...524L..63S

  • Variable Spin-Down in the Soft Gamma Repeater SGR 1900+14 and Correlations with Burst Activity
    P. M. Woods , C. Kouveliotou , J. van Paradijs , M. H. Finger , C. Thompson , R. C. Duncan , K. Hurley , T. Strohmayer , J. Swank , and T. Murakami
    The Astrophysical Journal Letters, v524:L55-L58, 1999 October
    ADS bibliographic code: 1999ApJ...524L..55W

  • Scattering and Iron Fluorescence Revealed during Absorption Dips in Circinus X-1
    R. E. Shirey , A. M. Levine , and H. V. Bradt
    The Astrophysical Journal, v524:1048-1058, 1999 October
    ADS bibliographic code: 1999ApJ...524.1048S

  • A Rossi X-Ray Timing Explorer Observation of the VELA Pulsar: Filling in the X-Ray Gap
    M. S. Strickman , A. K. Harding , and O. C. de Jager
    The Astrophysical Journal, v524:373-378, 1999 October
    ADS bibliographic code: 1999ApJ...524..373S

  • X-ray observations during a HER X-1 anomalous low-state
    A. N. Parmar , T. Oosterbroek , D. dal Fiume , M. Orlandini , A. Santangelo , A. Segreto , and S. del Sordo
    Astronomy & Astrophysics, v350:L5-L8, 1999 October
    ADS bibliographic code: 1999A&A...350L...5P

  • New observational constraints on hard X-/gamma -ray millisecond pulsar emission from 47 Tucanae
    C. Ferguson , F. Lei , A. J. Dean , A. J. Bird , and J. J. Lockley
    Astronomy & Astrophysics, v350:847-851, 1999 October
    ADS bibliographic code: 1999A&A...350..847F

  • X-ray timing behaviour of Cygnus X-2 at low intensities
    E. Kuulkers , R. Wijnands , and M. van der Klis
    Monthly Notices of the Royal Astronomical Society, v308:485-492, 1999 September
    ADS bibliographic code: 1999MNRAS.308..485K

  • Interpretation of ~35 HZ QPO in the Atoll Source 4U 1702-42 as a Low Branch of the Keplerian Oscillations under the Influence of the Coriolis Force
    V. Osherovich and L. Titarchuk
    The Astrophysical Journal Letters, v523:L73-L76, 1999 September
    ADS bibliographic code: 1999ApJ...523L..73O

  • Spin-down of Pulsations in the Cooling Tail of an X-Ray Burst from 4U 1636-53
    T. E. Strohmayer
    The Astrophysical Journal Letters, v523:L51-L55, 1999 September
    ADS bibliographic code: 1999ApJ...523L..51S

  • X-Ray Spectral Variability of PKS 2005-489 During the Spectacular 1998 November Flare
    E. S. Perlman , G. Madejski , J. T. Stocke , and T. A. Rector
    The Astrophysical Journal Letters, v523:L11-L15, 1999 September
    ADS bibliographic code: 1999ApJ...523L..11P

  • Kilohertz Quasi-periodic Oscillations in Neutron Star Binaries Modeled as Keplerian Oscillations in a Rotating Frame of Reference
    V. Osherovich and L. Titarchuk
    The Astrophysical Journal Letters, v522:L113-L116, 1999 September
    ADS bibliographic code: 1999ApJ...522L.113O

  • On the Spin History of the X-Ray Pulsar in Kes 73: Further Evidence for an Ultramagnetized Neutron Star
    E. V. Gotthelf , G. Vasisht , and T. Dotani
    The Astrophysical Journal Letters, v522:L49-L52, 1999 September
    ADS bibliographic code: 1999ApJ...522L..49G

  • The Discovery of a 7-14 HZ Quasi-periodic Oscillation in the X-Ray Transient XTE J1806-246
    R. Wijnands and M. van der Klis
    The Astrophysical Journal, v522:965-972, 1999 September
    ADS bibliographic code: 1999ApJ...522..965W

  • On the Enigmatic X-Ray Source V1408 Aquilae (=4U 1957+11)
    M. A. Nowak and J. Wilms
    The Astrophysical Journal, v522:476-486, 1999 September
    ADS bibliographic code: 1999ApJ...522..476N

  • Low-Luminosity States of the Black Hole Candidate GX 339-4. I. ASCA and Simultaneous Radio/RXTE Observations
    J. Wilms , M. A. Nowak , J. B. Dove , R. P. Fender , and T. di Matteo
    The Astrophysical Journal, v522:460-475, 1999 September
    ADS bibliographic code: 1999ApJ...522..460W

  • A Search for Pulse-to-Pulse Variability of the Crab Pulsar
    B. L. Patt , M. P. Ulmer , W. Zhang , J. M. Cordes , and Z. Arzoumanian
    The Astrophysical Journal, v522:440-443, 1999 September
    ADS bibliographic code: 1999ApJ...522..440P

  • RXTE Observations of 0.1-300 HZ Quasi-periodic Oscillationsin the Microquasar GRO J1655-40
    R. A. Remillard , E. H. Morgan , J. E. McClintock , C. D. Bailyn , and J. A. Orosz
    The Astrophysical Journal, v522:397-412, 1999 September
    ADS bibliographic code: 1999ApJ...522..397R

  • An RXTE Observation of NGC 6300: A New Bright Compton Reflection-dominated Seyfert 2 Galaxy
    K. M. Leighly , J. P. Halpern , H. Awaki , M. Cappi , S. Ueno , and J. Siebert
    The Astrophysical Journal, v522:209-213, 1999 September
    ADS bibliographic code: 1999ApJ...522..209L

  • LOTIS: GRB follow-up observations at early times
    H. S. Park , R. A. Porrata , G. G. Williams , E. Ables , D. L. Band , S. D. Barthelmy , R. M. Bionta , T. L. Cline , G. J. Fishman , N. Gehrels , D. Hartmann , K. Hurley , C. Kouveliotou , and C. A. Meegan
    Astronomy & Astrophysics Supplement Series, v138:577-578, 1999 September
    ADS bibliographic code: 1999A&AS..138..577P

  • Present and future gamma-ray burst experiments
    K. Hurley
    Astronomy & Astrophysics Supplement Series, v138:553-555, 1999 September
    ADS bibliographic code: 1999A&AS..138..553H

  • Search for correlations between the BeppoSAX and RXTE GRBs locations and historical supernovae
    F. Hroch , R. Hudec , and T. Rezek
    Astronomy & Astrophysics Supplement Series, v138:473, 1999 September
    ADS bibliographic code: 1999A&AS..138..473H

  • What did ASCA see in the GRB 970828 afterglow?
    A. Yoshida , M. Namiki , C. Otani , N. Kawai , T. Murakami , Y. Ueda , R. Shibata , and S. Uno
    Astronomy & Astrophysics Supplement Series, v138:433-434, 1999 September
    ADS bibliographic code: 1999A&AS..138..433Y

  • Gamma-ray burst positions from the ASM on RXTE
    H. V. Bradt and D. A. Smith
    Astronomy & Astrophysics Supplement Series, v138:423-424, 1999 September
    ADS bibliographic code: 1999A&AS..138..423B

  • The temporal characteristics of the TeV gamma -emission from MKN 501 in 1997. II. Results from HEGRA CT1 and CT2
    F. Aharonian , A. G. Akhperjanian , J. A. Barrio , K. Bernlöhr , H. Bojahr , I. Calle , J. L. Contreras , J. Cortina , A. Daum , T. Deckers , S. Denninghoff , V. Fonseca , J. Gebauer , J. C. Gonzalez , G. Heinzelmann , M. Hemberger , G. Hermann , M. Hess , A. Heusler , W. Hofmann , H. Hohl , D. Horns , A. Ibarra , R. Kankanyan , M. Kestel , O. Kirstein , C. Köhler , H. Kornmayer , D. Kranich , H. Krawczynski , H. Lampeitl , A. Lindner , E. Lorenz , N. Magnussen , H. Meyer , R. Mirzoyan , A. Moralejo , L. Padilla , M. Panter , D. Petry , R. Plaga , A. Plyasheshnikov , J. Prahl , G. Pühlhofer , G. Rauterberg , C. Renault , W. Rhode , A. Röhring , V. Sahakian , M. Samorski , D. Schmele , F. Schröder , W. Stamm , B. Wiebel-Sooth , C. Wiedner , M. Willmer , H. Wirth , and W. Wittek
    Astronomy & Astrophysics, v349:29-44, 1999 September
    ADS bibliographic code: 1999A&A...349...29A

  • RXTE monitoring observations of Markarian 3
    I. Georgantopoulos , I. Papadakis , R. S. Warwick , D. A. Smith , G. C. Stewart , and R. G. Griffiths
    Monthly Notices of the Royal Astronomical Society, v307:815-820, 1999 August
    ADS bibliographic code: 1999MNRAS.307..815G

  • GRANAT and RXTE observations of the X-ray Nova XTE J1755-324
    M. G. Revnivtsev , M. R. Gilfanov , E. M. Churazov , S. P. Trudolyubov , R. A. Sunyaev , A. V. D'Yachkov , N. G. Khavenson , I. D. Tserenin , P. Goldoni , M. Vargas , A. Goldwurm , J. Paul , V. Borrel , E. Jourdain , L. Bouchet , and J. Roque
    Astronomy Letters, v25:493-500, 1999 August
    ADS bibliographic code: 1999AstL...25..493R

  • Discovery of a Third Harmonic Cyclotron Resonance Scattering Feature in the X-Ray Spectrum of 4U 0115+63
    W. A. Heindl , W. Coburn , D. E. Gruber , M. R. Pelling , R. E. Rothschild , J. Wilms , K. Pottschmidt , and R. Staubert
    The Astrophysical Journal Letters, v521:L49-L53, 1999 August
    ADS bibliographic code: 1999ApJ...521L..49H

  • Simultaneous X-Ray and Gamma-Ray Observations of TEV Blazars: Testing Synchro-Compton Emission Models and Probing the Infrared Extragalactic Background
    P. S. Coppi and F. A. Aharonian
    The Astrophysical Journal Letters, v521:L33-L36, 1999 August
    ADS bibliographic code: 1999ApJ...521L..33C

  • RXTE, ROSAT, EUVE, IUE, and Optical Observations through the 45 Day Supercycle of V1159 Orionis
    P. Szkody , A. Linnell , K. Honeycutt , J. Robertson , A. Silber , D. W. Hoard , L. Pastwick , V. Desai , I. Hubeny , J. Cannizzo , W. Liller , R. Zissell , and G. Walker
    The Astrophysical Journal, v521:362-375, 1999 August
    ADS bibliographic code: 1999ApJ...521..362S

  • XTE J2123-058: A New Neutron Star X-Ray Transient
    J. A. Tomsick , J. P. Halpern , J. Kemp , and P. Kaaret
    The Astrophysical Journal, v521:341-350, 1999 August
    ADS bibliographic code: 1999ApJ...521..341T

  • The Disk-Magnetosphere Interaction in the Accretion-powered Millisecond Pulsar SAX J1808.4-3658
    D. Psaltis and D. Chakrabarty
    The Astrophysical Journal, v521:332-340, 1999 August
    ADS bibliographic code: 1999ApJ...521..332P

  • X-Ray Observations of BL Lacertae during the 1997 Outburst and Association with Quasar-like Characteristics
    G. M. Madejski , M. Sikora , T. Jaffe , M. Bla{\.z}ejowski , K. Jahoda , and R. Moderski
    The Astrophysical Journal, v521:145-154, 1999 August
    ADS bibliographic code: 1999ApJ...521..145M

  • A Rossi X-Ray Timing Explorer Study of M87 and the Core of the Virgo Cluster
    C. S. Reynolds , S. Heinz , A. C. Fabian , and M. C. Begelman
    The Astrophysical Journal, v521:99-102, 1999 August
    ADS bibliographic code: 1999ApJ...521...99R

  • Is SGR 1900+14 a Magnetar?
    D. Marsden , R. E. Rothschild , and R. E. Lingenfelter
    The Astrophysical Journal Letters, v520:L107-L110, 1999 August
    ADS bibliographic code: 1999ApJ...520L.107M

  • ASCA, RXTE, EUVE, and Optical Observations of the High Magnetic Field Cataclysmic Variable AR Ursae Majoris
    P. Szkody , S. Vennes , G. D. Schmidt , R. M. Wagner , R. Fried , A. W. Shafter , and E. Fierce
    The Astrophysical Journal, v520:841-848, 1999 August
    ADS bibliographic code: 1999ApJ...520..841S

  • RXTE Spectral Observations of the 1996-1997 Outburst of the Microquasar GRO J1655-40
    G. J. Sobczak , J. E. McClintock , R. A. Remillard , C. D. Bailyn , and J. A. Orosz
    The Astrophysical Journal, v520:776-787, 1999 August
    ADS bibliographic code: 1999ApJ...520..776S

  • On the Magnetospheric Beat-Frequency and Lense-Thirring Interpretations of the Horizontal-Branch Oscillation in the Z Sources
    D. Psaltis , R. Wijnands , J. Homan , P. G. Jonker , M. van der Klis , M. C. Miller , F. K. Lamb , E. Kuulkers , J. van Paradijs , and W. H. G. Lewin
    The Astrophysical Journal, v520:763-775, 1999 August
    ADS bibliographic code: 1999ApJ...520..763P

  • Optical observations of the black hole candidate XTE J1550-564 during the September/October 1998 outburst
    C. Sánchez-Fernández , A. J. Castro-Tirado , H. W. Duerbeck , L. Mantegazza , V. Beckmann , V. Burwitz , L. Vanzi , A. Bianchini , M. della Valle , A. Piemonte , B. Dirsch , I. Hook , L. Yan , and A. Giménez
    Astronomy & Astrophysics, v348:L9-L12, 1999 August
    ADS bibliographic code: 1999A&A...348L...9S

  • Near IR spectroscopy of candidate B[e]/X-ray binaries
    J. S. Clark , I. A. Steele , R. P. Fender , and M. J. Coe
    Astronomy & Astrophysics, v348:888-896, 1999 August
    ADS bibliographic code: 1999A&A...348..888C

  • The swan song in context: long-time-scale X-ray variability of NGC 4051
    P. Uttley , I. M. McHardy , I. E. Papadakis , M. Guainazzi , and A. Fruscione
    Monthly Notices of the Royal Astronomical Society, v307:L6-L10, 1999 July
    ADS bibliographic code: 1999MNRAS.307L...6U

  • The evolution of Rapid Burster outbursts
    R. Guerriero , D. W. Fox , J. Kommers , W. H. G. Lewin , R. Rutledge , C. B. Moore , E. Morgan , J. van Paradijs , M. van der Klis , L. Bildsten , and T. Dotani
    Monthly Notices of the Royal Astronomical Society, v307:179-189, 1999 July
    ADS bibliographic code: 1999MNRAS.307..179G

  • Simultaneous optical polarimetry and X-ray observations of the magnetic CV CP TUC (AX J2315-592)
    G. Ramsay , S. B. Potter , D. A. H. Buckley , and P. J. Wheatley
    Monthly Notices of the Royal Astronomical Society, v306:809-814, 1999 July
    ADS bibliographic code: 1999MNRAS.306..809R

  • Strong-Field Gravity and X-Ray Observations of 4U 1820-30
    P. Kaaret , S. Piraino , P. F. Bloser , E. C. Ford , J. E. Grindlay , A. Santangelo , A. P. Smale , and W. Zhang
    The Astrophysical Journal Letters, v520:L37-L40, 1999 July
    ADS bibliographic code: 1999ApJ...520L..37K

  • Correlations in Quasi-periodic Oscillation and Noise Frequencies among Neutron Star and Black Hole X-Ray Binaries
    D. Psaltis , T. Belloni , and M. van der Klis
    The Astrophysical Journal, v520:262-270, 1999 July
    ADS bibliographic code: 1999ApJ...520..262P

  • A State Transition of GX 339-4 Observed with the Rossi X-Ray Timing Explorer
    T. Belloni , M. Méndez , M. van der Klis , W. H. G. Lewin , and S. Dieters
    The Astrophysical Journal Letters, v519:L159-L163, 1999 July
    ADS bibliographic code: 1999ApJ...519L.159B

  • Rossi X-Ray Timing Explorer All-Sky Monitor Localization of SGR 1627-41
    D. A. Smith , H. V. Bradt , and A. M. Levine
    The Astrophysical Journal Letters, v519:L147-L150, 1999 July
    ADS bibliographic code: 1999ApJ...519L.147S

  • Lag of Low-Energy Photons in an X-Ray Burst Oscillation: Doppler Delays
    E. C. Ford
    The Astrophysical Journal Letters, v519:L73-L75, 1999 July
    ADS bibliographic code: 1999ApJ...519L..73F

  • Multiwavelength Observations of GX 339-4 in 1996. III. Keck Spectroscopy
    I. A. Smith , A. V. Filippenko , and D. C. Leonard
    The Astrophysical Journal, v519:779-782, 1999 July
    ADS bibliographic code: 1999ApJ...519..779S

  • Multiwavelength Observations of GX 339-4 in 1996. II. Rapid X-Ray Variability
    I. A. Smith and E. P. Liang
    The Astrophysical Journal, v519:771-778, 1999 July
    ADS bibliographic code: 1999ApJ...519..771S

  • Multiwavelength Observations of GX 339-4 in 1996. I. Daily Light Curves and X-Ray and Gamma-Ray Spectroscopy
    I. A. Smith , E. P. Liang , D. Lin , M. Moss , A. Crider , R. P. Fender , P. Durouchoux , S. Corbel , and R. Sood
    The Astrophysical Journal, v519:762-770, 1999 July
    ADS bibliographic code: 1999ApJ...519..762S

  • The frequency resolved spectroscopy of CYG X-1: fast variability of the Fe K\$\alpha$ line
    M. Revnivtsev , M. Gilfanov , and E. Churazov
    Astronomy & Astrophysics, v347:L23-L26, 1999 July
    ADS bibliographic code: 1999A&A...347L..23R

  • Observations of short-duration X-ray transients by WATCH on GRANAT
    A. J. Castro-Tirado , S. Brandt , N. Lund , and R. Sunyaev
    Astronomy & Astrophysics, v347:927-931, 1999 July
    ADS bibliographic code: 1999A&A...347..927C

  • X-ray and radio observations of RX J1826.2-1450/LS 5039
    M. Ribó , P. Reig , J. Martí , and J. M. Paredes
    Astronomy & Astrophysics, v347:518-523, 1999 July
    ADS bibliographic code: 1999A&A...347..518R

  • Helical jets in blazars. I. The case of MKN 501
    M. Villata and C. M. Raiteri
    Astronomy & Astrophysics, v347:30-36, 1999 July
    ADS bibliographic code: 1999A&A...347...30V

  • RXTE observations of 3C 279 during a high-energy flare
    A. J. Lawson , I. M. McHardy , and A. P. Marscher
    Monthly Notices of the Royal Astronomical Society, v306:247-252, 1999 June
    ADS bibliographic code: 1999MNRAS.306..247L

  • Discovery of two new persistent Be/X-ray pulsar systems
    P. Reig and P. Roche
    Monthly Notices of the Royal Astronomical Society, v306:100-106, 1999 June
    ADS bibliographic code: 1999MNRAS.306..100R

  • Discovery of X-ray pulsations in the Be/X-ray binary LS 992/RX J0812.4-3114
    P. Reig and P. Roche
    Monthly Notices of the Royal Astronomical Society, v306:95-99, 1999 June
    ADS bibliographic code: 1999MNRAS.306...95R

  • Correlations between Kilohertz Quasi-periodic Oscillations and Low-Frequency Features Attributed to Radial Oscillations and Diffusive Propagation in the Viscous Boundary Layer around a Neutron Star
    L. Titarchuk and V. Osherovich
    The Astrophysical Journal Letters, v518:L95-L98, 1999 June
    ADS bibliographic code: 1999ApJ...518L..95T

  • Evidence for Intergalactic Absorption in the TEV Gamma-Ray Spectrum of Markarian 501
    A. K. Konopelko , J. G. Kirk , F. W. Stecker , and A. Mastichiadis
    The Astrophysical Journal Letters, v518:L13-L15, 1999 June
    ADS bibliographic code: 1999ApJ...518L..13K

  • X-Ray Nova XTE J1550-564: Optical Observations
    R. K. Jain , C. D. Bailyn , J. A. Orosz , R. A. Remillard , and J. E. McClintock
    The Astrophysical Journal Letters, v517:L131-L134, 1999 June
    ADS bibliographic code: 1999ApJ...517L.131J

  • X-Ray Nova XTE J1550-564: Discovery of a Quasi-periodic Oscillation near 185 HZ
    R. A. Remillard , J. E. McClintock , G. J. Sobczak , C. D. Bailyn , J. A. Orosz , E. H. Morgan , and A. M. Levine
    The Astrophysical Journal Letters, v517:L127-L130, 1999 June
    ADS bibliographic code: 1999ApJ...517L.127R

  • X-Ray Nova XTE J1550-564: RXTE Spectral Observations
    G. J. Sobczak , J. E. McClintock , R. A. Remillard , A. M. Levine , E. H. Morgan , C. D. Bailyn , and J. A. Orosz
    The Astrophysical Journal Letters, v517:L121-L125, 1999 June
    ADS bibliographic code: 1999ApJ...517L.121S

  • Rossi X-Ray Timing Explorer Observations of the X-Ray Pulsar XTE J1855-026: A Possible New Supergiant System
    R. H. D. Corbet , F. E. Marshall , A. G. Peele , and T. Takeshima
    The Astrophysical Journal, v517:956-963, 1999 June
    ADS bibliographic code: 1999ApJ...517..956C

  • Different Types of X-Ray Bursts from GRS 1915+105 and Their Origin
    J. S. Yadav , A. R. Rao , P. C. Agrawal , B. Paul , S. Seetha , and K. Kasturirangan
    The Astrophysical Journal, v517:935-950, 1999 June
    ADS bibliographic code: 1999ApJ...517..935Y

  • A Multiwavelength Campaign on gamma Cassiopeiae. III. The Case for Magnetically Controlled Circumstellar Kinematics
    M. A. Smith and R. D. Robinson
    The Astrophysical Journal, v517:866-882, 1999 June
    ADS bibliographic code: 1999ApJ...517..866S

  • RXTE observations of PKS 2155-304 during the November 1997 gamma-ray outburst
    W. T. Vestrand and P. Sreekumar
    Astroparticle Physics, v11:197-199, 1999 June
    ADS bibliographic code: 1999APh....11..197V

  • The X-ray transient XTE J2012+381
    R. I. Hynes , P. Roche , P. A. Charles , and M. J. Coe
    Monthly Notices of the Royal Astronomical Society, v305:L49-L53, 1999 May
    ADS bibliographic code: 1999MNRAS.305L..49H

  • X-ray outburst of the symbiotic star CI Cam/XTE J0421+560: RXTE observations
    M. G. Revnivtsev , A. N. Emel'Yanov , and K. N. Borozdin
    Astronomy Letters, v25:294-306, 1999 May
    ADS bibliographic code: 1999AstL...25..294R

  • Precise Measurements of the Kilohertz Quasi-periodic Oscillations in 4U 1728-34
    M. Méndez and M. van der Klis
    The Astrophysical Journal Letters, v517:L51-L54, 1999 May
    ADS bibliographic code: 1999ApJ...517L..51M

  • The Complete ``Z'' Track of Circinus X-1
    R. E. Shirey , H. V. Bradt , and A. M. Levine
    The Astrophysical Journal, v517:472-487, 1999 May
    ADS bibliographic code: 1999ApJ...517..472S

  • Do the Spectra of Soft X-Ray Transients Reveal Bulk-Motion Inflow Phenomenon?
    K. Borozdin , M. Revnivtsev , S. Trudolyubov , C. Shrader , and L. Titarchuk
    The Astrophysical Journal, v517:367-380, 1999 May
    ADS bibliographic code: 1999ApJ...517..367B

  • Low-Luminosity States of the Black Hole Candidate GX 339-4. II. Timing Analysis
    M. A. Nowak , J. Wilms , and J. B. Dove
    The Astrophysical Journal, v517:355-366, 1999 May
    ADS bibliographic code: 1999ApJ...517..355N

  • A Variable 0.58-2.44 HZ Quasi-periodic Oscillation in the Eclipsing and Dipping Low-Mass X-Ray Binary EXO 0748-676
    J. Homan , P. G. Jonker , R. Wijnands , M. van der Klis , and J. van Paradijs
    The Astrophysical Journal Letters, v516:L91-L94, 1999 May
    ADS bibliographic code: 1999ApJ...516L..91H

  • The X-ray timing behavior of the X-ray burst source SLX 1735-269
    R. Wijnands and M. van der Klis
    Astronomy & Astrophysics, v345:L35-L38, 1999 May
    ADS bibliographic code: 1999A&A...345L..35W

  • Rossi X-Ray Timing Explorer Observation of Cygnus X-1. III. Implications for Compton Corona and Advection-dominated Accretion Flow Models
    M. A. Nowak , J. Wilms , B. A. Vaughan , J. B. Dove , and M. C. Begelman
    The Astrophysical Journal, v515:726-737, 1999 April
    ADS bibliographic code: 1999ApJ...515..726N

  • V2301 Ophiuchi: an X-Ray-bright Eclipsing AM Herculis Object
    T. Y. Steiman-Cameron and J. N. Imamura
    The Astrophysical Journal, v515:404-413, 1999 April
    ADS bibliographic code: 1999ApJ...515..404S

  • Rossi X-Ray Timing Explorer Hard X-Ray Observation of A754: Constraining the Hottest Temperature Component and the Intracluster Magnetic Field
    A. Valinia , M. J. Henriksen , M. Loewenstein , K. Roettiger , R. F. Mushotzky , and G. Madejski
    The Astrophysical Journal, v515:42-49, 1999 April
    ADS bibliographic code: 1999ApJ...515...42V

  • A Cutoff in the X-Ray Fluctuation Power Density Spectrum of the Seyfert 1 Galaxy NGC 3516
    R. Edelson and K. Nandra
    The Astrophysical Journal, v514:682-690, 1999 April
    ADS bibliographic code: 1999ApJ...514..682E

  • Do LMXBs contain strange stars?
    T. Bulik , D. Gondek-Rosinska , and W. L. Kluzniak
    Astronomy & Astrophysics, v344:L71-L74, 1999 April
    ADS bibliographic code: 1999A&A...344L..71B

  • Timing analysis of the X-ray transient source XTE J1806-246 (2S1803-245)
    M. Revnivtsev , K. Borozdin , and A. Emelyanov
    Astronomy & Astrophysics, v344:L25-L28, 1999 April
    ADS bibliographic code: 1999A&A...344L..25R

  • A comparison of the X-ray line and continuum morphology of Cassiopeia A
    J. Vink , M. C. Maccarone , J. S. Kaastra , T. Mineo , J. A. M. Bleeker , A. Preite-Martinez , and H. Bloemen
    Astronomy & Astrophysics, v344:289-294, 1999 April
    ADS bibliographic code: 1999A&A...344..289V

  • Discovery of Microsecond Soft Lags in the X-Ray Emission of the Atoll Source 4U 1636-536
    P. Kaaret , S. Piraino , E. C. Ford , and A. Santangelo
    The Astrophysical Journal Letters, v514:L31-L33, 1999 March
    ADS bibliographic code: 1999ApJ...514L..31K

  • Radio and X-Ray Observations of the 1998 Outburst of the Recurrent X-Ray Transient 4U 1630-47
    R. M. Hjellming , M. P. Rupen , A. J. Mioduszewski , E. Kuulkers , M. McCollough , B. A. Harmon , M. Buxton , R. Sood , A. Tzioumis , D. Rayner , S. Dieters , and P. Durouchoux
    The Astrophysical Journal, v514:383-387, 1999 March
    ADS bibliographic code: 1999ApJ...514..383H

  • X-Ray Shots of Cygnus X-1
    Y. X. Feng , T. P. Li , and L. Chen
    The Astrophysical Journal, v514:373-382, 1999 March
    ADS bibliographic code: 1999ApJ...514..373F

  • Discovery of Twin Kilohertz Quasi-periodic Oscillations in the High Galactic LatitudeX-Ray Transient XTE J2123-058
    J. Homan , M. Méndez , R. Wijnands , M. van der Klis , and J. van Paradijs
    The Astrophysical Journal Letters, v513:L119-L122, 1999 March
    ADS bibliographic code: 1999ApJ...513L.119H

  • Rossi X-Ray Timing Explorer Observation of PSR B1706-44 and Implications for Theoretical Models of Pulsar Emission
    A. Ray , A. K. Harding , and M. Strickman
    The Astrophysical Journal, v513:919-926, 1999 March
    ADS bibliographic code: 1999ApJ...513..919R

  • Relativistic Precession around Rotating Neutron Stars: Effects Due to Frame Dragging and Stellar Oblateness
    S. M. Morsink and L. Stella
    The Astrophysical Journal, v513:827-844, 1999 March
    ADS bibliographic code: 1999ApJ...513..827M

  • A Gamma-Ray Flare from PKS 2255-282
    D. J. Macomb , N. Gehrels , and C. R. Shrader
    The Astrophysical Journal, v513:652-655, 1999 March
    ADS bibliographic code: 1999ApJ...513..652M

  • Rossi X-Ray Timing Explorer Observations of the Anomalous Pulsar 4U 0142+61
    C. A. Wilson , S. Dieters , M. H. Finger , D. M. Scott , and J. van Paradijs
    The Astrophysical Journal, v513:464-470, 1999 March
    ADS bibliographic code: 1999ApJ...513..464W

  • ROSSI X-RAY TIMING EXPLORER Observations of LMC X-1
    P. C. Schmidtke , A. L. Ponder , and A. P. Cowley
    The Astronomical Journal, v117:1292-1296, 1999 March
    ADS bibliographic code: 1999AJ....117.1292S

  • Implications of kHz quasi-periodic brightness oscillations in X-ray binaries for neutron star structure
    A. V. Thampan , D. Bhattacharya , and B. Datta
    Monthly Notices of the Royal Astronomical Society, v302:L69-L73, 1999 February
    ADS bibliographic code: 1999MNRAS.302L..69T

  • X-ray spectral properties of the pulsar EXO 2030+375 during an outburst
    P. Reig and M. J. Coe
    Monthly Notices of the Royal Astronomical Society, v302:700-706, 1999 February
    ADS bibliographic code: 1999MNRAS.302..700R

  • A General Gamma-Ray Source Catalog
    D. J. Macomb and N. Gehrels
    The Astrophysical Journal Supplement, v120:335-397, 1999 February
    ADS bibliographic code: 1999ApJS..120..335M

  • Observation of Kilohertz Quasi-periodic Oscillations from the Atoll Source 4U 1702-429 by the Rossi X-Ray Timing Explorer
    C. B. Markwardt , T. E. Strohmayer , and J. H. Swank
    The Astrophysical Journal Letters, v512:L125-L129, 1999 February
    ADS bibliographic code: 1999ApJ...512L.125M

  • High-Resolution Parallax Measurements of Scorpius X-1
    C. F. Bradshaw , E. B. Fomalont , and B. J. Geldzahler
    The Astrophysical Journal Letters, v512:L121-L124, 1999 February
    ADS bibliographic code: 1999ApJ...512L.121B

  • Strong Aperiodic X-Ray Variability and Quasi-Periodic Oscillationin X-Ray Nova XTE J1550-564
    W. Cui , S. N. Zhang , W. Chen , and E. H. Morgan
    The Astrophysical Journal Letters, v512:L43-L46, 1999 February
    ADS bibliographic code: 1999ApJ...512L..43C

  • The Kilohertz QPO Frequency and Flux Decrease in Aquila X-1 and the Effect of Soft X-Ray Spectral Components
    W. Yu , T. P. Li , W. Zhang , and S. N. Zhang
    The Astrophysical Journal Letters, v512:L35-L38, 1999 February
    ADS bibliographic code: 1999ApJ...512L..35Y

  • Measurement of Hard Lags and Coherences in the X-Ray Flux of Accreting Neutron Starsand Comparison with Accreting Black Holes
    E. C. Ford , M. van der Klis , M. Méndez , J. van Paradijs , and P. Kaaret
    The Astrophysical Journal Letters, v512:L31-L34, 1999 February
    ADS bibliographic code: 1999ApJ...512L..31F

  • High-Energy Spectral and Temporal Characteristics of GRO J1008-57
    C. R. Shrader , F. K. Sutaria , K. P. Singh , and D. J. Macomb
    The Astrophysical Journal, v512:920-928, 1999 February
    ADS bibliographic code: 1999ApJ...512..920S

  • Broadband X-Ray Spectra of the Black Hole Candidate GRO J1655-40
    J. A. Tomsick , P. Kaaret , R. A. Kroeger , and R. A. Remillard
    The Astrophysical Journal, v512:892-900, 1999 February
    ADS bibliographic code: 1999ApJ...512..892T

  • Rossi X-Ray Timing Explorer Observations of the Eastern Lobe of W50 Associated with SS 433
    S. Safi-Harb and R. Petre
    The Astrophysical Journal, v512:784-792, 1999 February
    ADS bibliographic code: 1999ApJ...512..784S

  • Evidence for a Very Slow X-Ray Pulsar in 2S 0114+650 from Rossi X-Ray Timing Explorer All-Sky Monitor Observations
    R. H. D. Corbet , J. P. Finley , and A. G. Peele
    The Astrophysical Journal, v511:876-884, 1999 February
    ADS bibliographic code: 1999ApJ...511..876C

  • SIGMA and RXTE Observations of the Soft X-Ray Transient XTE J1755-324
    P. Goldoni , M. Vargas , A. Goldwurm , J. Paul , V. Borrel , E. Jourdain , L. Bouchet , J. Roques , M. Revnivtsev , E. Churazov , M. Gilfanov , R. Sunyaev , A. Dyachkov , N. Khavenson , I. Tserenin , and N. Kuleshova
    The Astrophysical Journal, v511:847-851, 1999 February
    ADS bibliographic code: 1999ApJ...511..847G

  • RXTE and ASCA Constraints on Nonthermal Emission from the A2256 Galaxy Cluster
    M. Henriksen
    The Astrophysical Journal, v511:666-670, 1999 February
    ADS bibliographic code: 1999ApJ...511..666H

  • Evolution of spectral parameters during a pre-eclipse dip of HER X-1
    B. Stelzer , J. Wilms , R. Staubert , D. Gruber , and R. Rothschild
    Astronomy & Astrophysics, v342:736-744, 1999 February
    ADS bibliographic code: 1999A&A...342..736S

  • The temporal characteristics of the TeV gamma-radiation from MKN 501 in 1997. I. Data from the stereoscopic imaging atmospheric Cherenkov telescope system of HEGRA
    F. A. Aharonian , A. G. Akhperjanian , J. A. Barrio , K. Bernlöhr , H. Bojahr , J. L. Contreras , J. Cortina , A. Daum , T. Deckers , V. Fonseca , J. C. Gonzalez , G. Heinzelmann , M. Hemberger , G. Hermann , M. Heß , A. Heusler , W. Hofmann , H. Hohl , D. Horns , A. Ibarra , R. Kankanyan , O. Kirstein , C. Köhler , A. Konopelko , H. Kornmeyer , D. Kranich , H. Krawczynski , H. Lampeitl , A. Lindner , E. Lorenz , N. Magnussen , H. Meyer , R. Mirzoyan , A. Moralejo , L. Padilla , M. Panter , D. Petry , R. Plaga , A. Plyasheshnikov , J. Prahl , G. Pühlhofer , G. Rauterberg , C. Renault , W. Rhode , V. Sahakian , M. Samorski , D. Schmele , F. Schröder , W. Stamm , H. J. Völk , B. Wiebel-Sooth , C. Wiedner , M. Willmer , and H. Wirth
    Astronomy & Astrophysics, v342:69-86, 1999 February
    ADS bibliographic code: 1999A&A...342...69A

  • kHz Quasiperiodic Oscillations in Low-Mass X-Ray Binaries as Probes of General Relativity in the Strong-Field Regime
    L. Stella and M. Vietri
    Physical Review Letters, v82:17-20, 1999 January
    ADS bibliographic code: 1999PhRvL..82...17S

  • BeppoSAX observation of the X-ray emission of gamma-ray bursts.
    E. Costa
    Nuclear Physics B Proceedings Supplements, v69:646-655, 1999 January
    ADS bibliographic code: 1999NuPhS..69..646C

  • RXTE observations of GRB afterglows.
    F. E. Marshall , J. Swank , A. Valinia , R. Corbet , T. Takeshima , S. Barthelmy , C. Robinson , C. Kouveliotou , V. Connaughton , M. Kippen , R. Preece , H. Bradt , A. Levine , R. Remillard , D. Smith , and K. Hurley
    Nuclear Physics B Proceedings Supplements, v69:640-645, 1999 January
    ADS bibliographic code: 1999NuPhS..69..640M

  • RXTE measurement of the diffuse X-ray emission from the Galactic ridge: implications for the energetics of the interstellar medium.
    A. Valinia and F. E. Marshall
    Nuclear Physics B Proceedings Supplements, v69:629-632, 1999 January
    ADS bibliographic code: 1999NuPhS..69..629V

  • Granularity of the diffuse background observed.
    D. E. Gruber , D. MacDonald , R. E. Rothschild , E. Boldt , R. F. Mushotzky , and A. C. Fabian
    Nuclear Physics B Proceedings Supplements, v69:625-628, 1999 January
    ADS bibliographic code: 1999NuPhS..69..625G

  • RXTE observations of the starburst galaxy M82.
    D. E. Gruber and Y. Rephaeli
    Nuclear Physics B Proceedings Supplements, v69:550-553, 1999 January
    ADS bibliographic code: 1999NuPhS..69..550G

  • Temporal and spectral variability of AGN with RXTE.
    I. M. McHardy , I. E. Papadakis , and P. Uttley
    Nuclear Physics B Proceedings Supplements, v69:509-514, 1999 January
    ADS bibliographic code: 1999NuPhS..69..509M

  • X-ray spectral variability of NGC 4051.
    P. Uttley , I. M. McHardy , I. E. Papadakis , I. Cagnoni , and A. Fruscione
    Nuclear Physics B Proceedings Supplements, v69:490-495, 1999 January
    ADS bibliographic code: 1999NuPhS..69..490U

  • An RXTE observation of MCG -6-30-15: constraints on the iron abundance and reflective fraction relationship.
    J. C. Lee , A. C. Fabian , K. Iwasawa , C. S. Reynolds , and W. N. Brandt
    Nuclear Physics B Proceedings Supplements, v69:486-489, 1999 January
    ADS bibliographic code: 1999NuPhS..69..486L

  • RXTE monitoring of the blazars 3C 279 and 3C 273.
    A. J. Lawson , I. M. McHardy , and A. M. Newsam
    Nuclear Physics B Proceedings Supplements, v69:439-444, 1999 January
    ADS bibliographic code: 1999NuPhS..69..439L

  • RXTE monitoring of PKS 2155-304 in May and November 1996.
    C. M. Urry , R. M. Sambruna , W. P. Brinkmann , and H. Marshall
    Nuclear Physics B Proceedings Supplements, v69:419-422, 1999 January
    ADS bibliographic code: 1999NuPhS..69..419U

  • Intensive monitoring of the strongly variable BL Lac S5 0716+714.
    K. Otterbein , M. J. Hardcastle , S. J. Wagner , and D. M. Worrall
    Nuclear Physics B Proceedings Supplements, v69:415-418, 1999 January
    ADS bibliographic code: 1999NuPhS..69..415O

  • RXTE observations of Markarian 501 during X-ray bright state in July 1997.
    G. Lamer and S. J. Wagner
    Nuclear Physics B Proceedings Supplements, v69:403-406, 1999 January
    ADS bibliographic code: 1999NuPhS..69..403L

  • An RXTE observation of the intermediate polar XY Arietis.
    C. Hellier
    Nuclear Physics B Proceedings Supplements, v69:364-367, 1999 January
    ADS bibliographic code: 1999NuPhS..69..364H

  • Diskoseismology: probing black holes and their accretion disks.
    D. E. Lehr
    Nuclear Physics B Proceedings Supplements, v69:348-351, 1999 January
    ADS bibliographic code: 1999NuPhS..69..348L

  • BeppoSAX observations of the exotic black hole candidate GX 339-4.
    L. Chiappetti , F. Haardt , A. Treves , D. Ricci , A. Santangelo , S. Mereghetti , and T. Belloni
    Nuclear Physics B Proceedings Supplements, v69:340-343, 1999 January
    ADS bibliographic code: 1999NuPhS..69..340C

  • The viscous disk of GRS 1915+105.
    T. Belloni , M. Mendez , A. R. King , M. van der Klis , and J. van Paradijs
    Nuclear Physics B Proceedings Supplements, v69:330-335, 1999 January
    ADS bibliographic code: 1999NuPhS..69..330B

  • Absorption dips in GRO J1655-40: mapping the inner accretion disk.
    E. Kuulkers , R. Wijnands , T. Belloni , M. Mendez , M. van der Klis , and J. van Paradijs
    Nuclear Physics B Proceedings Supplements, v69:324-329, 1999 January
    ADS bibliographic code: 1999NuPhS..69..324K

  • Monitoring the Galactic microquasars with RXTE.
    R. A. Remillard and E. H. Morgan
    Nuclear Physics B Proceedings Supplements, v69:316-323, 1999 January
    ADS bibliographic code: 1999NuPhS..69..316R

  • Thermal/non-thermal model of Cyg X-1 in the soft state.
    M. Gierlinski , A. A. Zdziarski , P. S. Coppi , J. Poutanen , K. Ebisawa , and W. N. Johnson
    Nuclear Physics B Proceedings Supplements, v69:312-315, 1999 January
    ADS bibliographic code: 1999NuPhS..69..312G

  • RXTE observation of Cygnus X-1: spectral analysis.
    J. B. Dove , J. Wilms , M. A. Nowak , B. A. Vaughan , and M. C. Begelman
    Nuclear Physics B Proceedings Supplements, v69:308-311, 1999 January
    ADS bibliographic code: 1999NuPhS..69..308D

  • The physical interpretation of X-ray phase lags and coherence: RXTE observations of Cygnus X-1 as a case study.
    M. A. Nowak , J. B. Dove , B. A. Vaughan , J. Wilms , and M. C. Begelman
    Nuclear Physics B Proceedings Supplements, v69:302-307, 1999 January
    ADS bibliographic code: 1999NuPhS..69..302N

  • Observations of Circinus X-1 with RXTE.
    H. Bradt , R. Shirey , and A. Levine
    Nuclear Physics B Proceedings Supplements, v69:273-281, 1999 January
    ADS bibliographic code: 1999NuPhS..69..273B

  • RXTE/PCA observation of the X-ray burster 1E 1724-3045. Aperiodic variability of the persistent emission.
    L. Boirin , J. F. Olive , D. Barret , J. E. Grindlay , J. H. Swank , and A. P. Smale
    Nuclear Physics B Proceedings Supplements, v69:245-248, 1999 January
    ADS bibliographic code: 1999NuPhS..69..245B

  • X-ray bursts from XTE J1709-267.
    M. Cocchi , J. J. M. in't Zand , A. Bazzano , J. Heise , J. Muller , L. Natalucci , and P. Ubertini
    Nuclear Physics B Proceedings Supplements, v69:237-240, 1999 January
    ADS bibliographic code: 1999NuPhS..69..237C

  • Bursting sources in the Galactic centre region.
    M. Cocchi , J. J. M. in't Zand , A. Bazzano , J. Heise , J. Muller , L. Natalucci , and P. Ubertini
    Nuclear Physics B Proceedings Supplements, v69:232-236, 1999 January
    ADS bibliographic code: 1999NuPhS..69..232C

  • Spin down and oscillations in 4U 1907+09: a retrograde disk?
    J. J. M. in't Zand , T. E. Strohmayer , and A. Baykal
    Nuclear Physics B Proceedings Supplements, v69:224-227, 1999 January
    ADS bibliographic code: 1999NuPhS..69..224I

  • A search for cyclotron lines in the bursting pulsar, GRO J1744-28.
    W. Heindl , P. Blanco , D. Gruber , M. Pelling , R. Rothschild , and K. Jahoda
    Nuclear Physics B Proceedings Supplements, v69:216-219, 1999 January
    ADS bibliographic code: 1999NuPhS..69..216H

  • Peak luminosities of bursts from GRO J1744-28 measured with the RXTE PCA; Italia: wij post 17 two 4 s-a one man marching band - got darn bright.
    K. Jahoda , M. J. Stark , T. E. Strohmayer , W. Zhang , E. H. Morgan , and D. Fox
    Nuclear Physics B Proceedings Supplements, v69:210-215, 1999 January
    ADS bibliographic code: 1999NuPhS..69..210J

  • Outbursts, state transitions, and periodicities observed with the RXTE All-Sky Monitor.
    A. M. Levine
    Nuclear Physics B Proceedings Supplements, v69:196-203, 1999 January
    ADS bibliographic code: 1999NuPhS..69..196L

  • RXTE observations of Her X-1.
    B. Stelzer , R. Staubert , J. Wilms , I. Kreykenbohm , D. Gruber , and R. Rothschild
    Nuclear Physics B Proceedings Supplements, v69:182-185, 1999 January
    ADS bibliographic code: 1999NuPhS..69..182S

  • Magnetic features in the spectrum of Her X-1.
    D. E. Gruber , W. A. Heindl , R. E. Rothschild , R. Staubert , and J. Wilms
    Nuclear Physics B Proceedings Supplements, v69:174-177, 1999 January
    ADS bibliographic code: 1999NuPhS..69..174G

  • SAX and XTE observations of GX 1+4, SMC X-1, RX J0146.9+6121 and 4U 0142+614, a sample of X-ray pulsators with extreme properties.
    G. L. Israel , L. Angelini , L. Burderi , S. Campana , D. Dal Fiume , F. Frontera , S. Mereghetti , M. Orlandini , J. van Paradijs , A. N. Parmar , S. Piraino , D. Ricci , A. Santangelo , L. Stella , M. Vietri , and N. E. White
    Nuclear Physics B Proceedings Supplements, v69:141-144, 1999 January
    ADS bibliographic code: 1999NuPhS..69..141I

  • Lense-Thirring precession and QPOs in low mass X-ray binaries.
    L. Stella and M. Vietri
    Nuclear Physics B Proceedings Supplements, v69:135-140, 1999 January
    ADS bibliographic code: 1999NuPhS..69..135S

  • The periods discovered by RXTE in thermonuclear flash bursts.
    T. E. Strohmayer , J. H. Swank , and W. Zhang
    Nuclear Physics B Proceedings Supplements, v69:129-134, 1999 January
    ADS bibliographic code: 1999NuPhS..69..129S

  • Constraints on the equation of state of neutron star matter from observations of kilohertz QPOs.
    M. C. Miller , F. K. Lamb , and D. Psaltis
    Nuclear Physics B Proceedings Supplements, v69:123-128, 1999 January
    ADS bibliographic code: 1999NuPhS..69..123M

  • Rapid X-ray variability of neutron stars in low-mass binary systems.
    F. K. Lamb , M. C. Miller , and D. Psaltis
    Nuclear Physics B Proceedings Supplements, v69:113-122, 1999 January
    ADS bibliographic code: 1999NuPhS..69..113L

  • Rossi X-ray Timing Explorer observations of kilohertz QPO.
    M. van der Klis
    Nuclear Physics B Proceedings Supplements, v69:103-112, 1999 January
    ADS bibliographic code: 1999NuPhS..69..103V

  • RXTE observations of Cas A.
    R. E. Rothschild , R. E. Lingenfelter , P. R. Blanco , D. E. Gruber , W. A. Heindl , D. MacDonald , D. F. Marsden , M. R. Pelling , K. Jahoda , G. E. Allen , J. H. Swank , S. E. Woosley , K. Nomoto , and J. C. Higdon
    Nuclear Physics B Proceedings Supplements, v69:68-73, 1999 January
    ADS bibliographic code: 1999NuPhS..69...68R

  • Rossi-XTE long-term monitoring of eta Carinae.
    M. F. Corcoran , K. Ishibashi , J. H. Swank , K. Davidson , R. Petre , R. Viotti , and J. H. M. M. Schmitt
    Nuclear Physics B Proceedings Supplements, v69:33-35, 1999 January
    ADS bibliographic code: 1999NuPhS..69...33C

  • The Rossi X-ray Timing Explorer.
    J. H. Swank
    Nuclear Physics B Proceedings Supplements, v69:12-19, 1999 January
    ADS bibliographic code: 1999NuPhS..69...12S

  • Active X-ray sky. Results from BeppoSAX and RXTE. Proceedings. Rome (Italy), 21 - 24 Oct 1997.
    L. Scarsi , H. Bradt , P. Giommi , and F. Fiore
    Nuclear Physics B Proceedings Supplements, v69:1-3, 1999 January
    ADS bibliographic code: 1999NuPhS..69....1S

  • Dependence of the Frequency of the Kilohertz Quasi-periodic Oscillationson X-Ray Count Rate and Colors in 4U 1608-52
    M. Méndez , M. van der Klis , E. C. Ford , R. Wijnands , and J. van Paradijs
    The Astrophysical Journal Letters, v511:L49-L52, 1999 January
    ADS bibliographic code: 1999ApJ...511L..49M

  • Rossi X-Ray Timing Explorer Observations of the Coma Cluster
    Y. Rephaeli , D. Gruber , and P. Blanco
    The Astrophysical Journal Letters, v511:L21-L24, 1999 January
    ADS bibliographic code: 1999ApJ...511L..21R

  • Recent Outbursts from the Transient X-Ray Pulsar Cepheus X-4 (GS 2138+56)
    C. A. Wilson , M. H. Finger , and D. M. Scott
    The Astrophysical Journal, v511:367-373, 1999 January
    ADS bibliographic code: 1999ApJ...511..367W

  • The Converging Inflow Spectrum Is an Intrinsic Signature for a Black Hole: Monte Carlo Simulations of Comptonization on Free-falling Electrons
    P. Laurent and L. Titarchuk
    The Astrophysical Journal, v511:289-297, 1999 January
    ADS bibliographic code: 1999ApJ...511..289L

  • Discovery of a Magnetar Associated with the Soft Gamma Repeater SGR 1900+14
    C. Kouveliotou , T. Strohmayer , K. Hurley , J. van Paradijs , M. H. Finger , S. Dieters , P. Woods , C. Thompson , and R. C. Duncan
    The Astrophysical Journal Letters, v510:L115-L118, 1999 January
    ADS bibliographic code: 1999ApJ...510L.115K

  • Rossi X-Ray Timing Explorer All-Sky Monitor Observations of the 35 Day Cycle of Hercules X-1
    D. M. Scott and D. A. Leahy
    The Astrophysical Journal, v510:974-985, 1999 January
    ADS bibliographic code: 1999ApJ...510..974S

  • Rossi X-Ray Timing Explorer Observation of Cygnus X-1. II. Timing Analysis
    M. A. Nowak , B. A. Vaughan , J. Wilms , J. B. Dove , and M. C. Begelman
    The Astrophysical Journal, v510:874-891, 1999 January
    ADS bibliographic code: 1999ApJ...510..874N

  • Observation of Centaurus A by the Rossi X-Ray Timing Explorer
    R. E. Rothschild , D. L. Band , P. R. Blanco , D. E. Gruber , W. A. Heindl , D. R. MacDonald , D. C. Marsden , K. Jahoda , D. Pierce , G. Madejski , M. Elvis , D. A. Schwartz , R. Remillard , A. A. Zdziarski , C. Done , and R. Svensson
    The Astrophysical Journal, v510:651-658, 1999 January
    ADS bibliographic code: 1999ApJ...510..651R

  • Rossi X-Ray Timing Explorer Observation of PSR B0656+14
    H. Chang and C. Ho
    The Astrophysical Journal, v510:404-407, 1999 January
    ADS bibliographic code: 1999ApJ...510..404C

  • Imaging of the Crab region by direct demodulation using ASM/RXTE data.
    L. Song , T. Li , and C. Wei
    Acta Astrophysica Sinica, v19:27-32, 1999 January
    ADS bibliographic code: 1999AcApS..19...27S

  • An ASCA X-ray observation of 1E 1724-3045 in the globular cluster Terzan 2
    D. Barret , J. E. Grindlay , I. M. Harrus , and J. F. Olive
    Astronomy & Astrophysics, v341:789-794, 1999 January
    ADS bibliographic code: 1999A&A...341..789B

  • VELA X-1 as seen by RXTE
    I. Kreykenbohm , P. Kretschmar , J. Wilms , R. Staubert , E. Kendziorra , D. E. Gruber , W. A. Heindl , and R. E. Rothschild
    Astronomy & Astrophysics, v341:141-150, 1999 January
    ADS bibliographic code: 1999A&A...341..141K

  • The short timescale bursts of Cyg X-1 in the high and transitional states
    Y. Feng , L. Chen , and T. Li
    Chinese Astronomy and Astrophysics, v23:423-434, 1999
    ADS bibliographic code: 1999ChA&A..23..423F

  • Optical/ir Follow-Up Observations of Gamma-Ray Bursts Detected by RXTE
    J. A. Castro-Tirado , J. Gorosabel , J. Davies , S. Leggett , J. Greiner , K. Birkle , D. Thompson , H. Hagen , J. Trapero , E. Sánchez , A. Campos , N. Metcalfe , V. Béjar , M. L. Cairós , R. Corradi , M. Guerrero , C. Gutiérrez , J. Iglesias , S. Kemp , J. Licandro , A. Mora , A. Oscoz , N. Sabalisk , J. Vílchez , E. Villaver , R. M. Zapatero-Osorio , S. S. Guziy , A. A. Shlyapnikov , and H. Pedersen
    Astrophysical Letters Communications, v39:241, 1999
    ADS bibliographic code: 1999ApL&C..39..241C

  • RXTE Spectrum of the Coma Cluster
    Y. Rephaeli and D. Gruber
    Astrophysical Letters Communications, v39:165, 1999
    ADS bibliographic code: 1999ApL&C..39..165R

  • RXTE Observations of X-Ray Nova XTE J1755-324
    M. Revnivtsev , M. Gilfanov , and E. Churazov
    Astrophysical Letters Communications, v38:325, 1999
    ADS bibliographic code: 1999ApL&C..38..325R

  • LMC X-1 and LMC X-3 as Seen by RXTE
    J. Wilms , A. M. Nowak , B. J. Dove , K. Pottschmidt , A. W. Heindl , C. M. Begelman , and R. Staubert
    Astrophysical Letters Communications, v38:273, 1999
    ADS bibliographic code: 1999ApL&C..38..273W

  • 1996/1997 Low Luminosity State and State Transitions of GRS 1915+105: RXTE Observations
    S. Trudolyubov , E. Churazov , and M. Gilfanov
    Astrophysical Letters Communications, v38:233, 1999
    ADS bibliographic code: 1999ApL&C..38..233T

  • Complete Coverage of AN X-Ray Turn-On of HER X-1 by RXTE
    M. Kuster , J. Wilms , S. Blum , R. Staubert , E. D. Gruber , E. R. Rothschild , and W. Heindl
    Astrophysical Letters Communications, v38:161, 1999
    ADS bibliographic code: 1999ApL&C..38..161K

  • New Observations of the VELA X-1 Cyclotron Lines with RXTE - Preliminary Results
    P. Kretschmar , J. Wilms , R. Staubert , E. Kendziorra , I. Kreykenbohm , E. D. Gruber , W. Heindl , and E. R. Rothschild
    Astrophysical Letters Communications, v38:157, 1999
    ADS bibliographic code: 1999ApL&C..38..157K

  • A RXTE Observation of the Unusual X-Ray Source 1e 1024.0-5732
    P. Reig
    Astrophysical Letters Communications, v38:113, 1999
    ADS bibliographic code: 1999ApL&C..38..113R

  • The Initial Results of RXTE Observations of 47 TUC
    C. Ferguson , F. Lei , and J. A. Dean
    Astrophysical Letters Communications, v38:93, 1999
    ADS bibliographic code: 1999ApL&C..38...93F

  • Kilohertz QPOs and Strange Stars
    T. Bulik , D. Gondek-Rosinska , and W. Kluzniak
    Astrophysical Letters Communications, v38:77, 1999
    ADS bibliographic code: 1999ApL&C..38...77B

  • Kilohertz Qpos: do Beat-Frequency Models Work?
    M. van der Klis
    Astrophysical Letters Communications, v38:69, 1999
    ADS bibliographic code: 1999ApL&C..38...69V

  • ASCA observations of the X-ray transient XTE J1550-564: change of accretion disk parameters
    A. Kubota , F. Marshall , K. Makishima , T. Dotani , Y. Ueda , and H. Negoro
    Astronomische Nachrichten, v320:353, 1999
    ADS bibliographic code: 1999AN....320..353K

  • Multi-wavelength observations of the jet sources SS 433 and XTE J1748-288
    T. Kotani , D. Band , A. M. Cherepashchuk , R. M. Hjellming , N. Kawai , M. Matsuoka , M. Namiki , T. Oka , Y. Shirasaki , and T. Tsutsumi
    Astronomische Nachrichten, v320:335, 1999
    ADS bibliographic code: 1999AN....320..335K

  • XTE scan observations of the galactic center diffuse X-ray emission
    K. Ebisawa , Y. Maeda , F. E. Marshall , and A. Valinia
    Astronomische Nachrichten, v320:321, 1999
    ADS bibliographic code: 1999AN....320..321E

  • Soft gamma-ray repeaters and superstrong magnetic fields
    T. Murakami
    Astronomische Nachrichten, v320:257, 1999
    ADS bibliographic code: 1999AN....320..257M

  • Black holes in AGN: recent results on IC 4329a and NGC 4945
    G. Madejski , C. Done , and P. Zycki
    Astronomische Nachrichten, v320:240, 1999
    ADS bibliographic code: 1999AN....320..240M

  • Particle acceleration and synchrotron emission in Mrk 501
    S. J. Wagner , G. Lamer , and G. V. Bicknell
    Astronomische Nachrichten, v320:226, 1999
    ADS bibliographic code: 1999AN....320..226W

  • Determination of the thermal and non-thermal emissions in the X-ray spectrum of Kepler's supernova remnant
    A. Decourchelle and R. Petre
    Astronomische Nachrichten, v320:203, 1999
    ADS bibliographic code: 1999AN....320..203D

  • Hard X-ray/soft gamma -ray observations of the Galactic Background Radiation: unresolved discrete sources ?
    A. Valinia , F. E. Marshall , and R. L. Kinzer
    Astronomische Nachrichten, v320:179, 1999
    ADS bibliographic code: 1999AN....320..179V

  • Heating and acceleration in the Universe (Preface)
    H. Inoue , T. Takahashi , and T. Ohashi
    Astronomische Nachrichten, v320:161, 1999
    ADS bibliographic code: 1999AN....320..161I

  • The short timescale bursts of Cyg X-1 in the transition and high states.
    Y. Feng , C. Li , and T. Li
    Acta Astrophysica Sinica, v19:261-271, 1999
    ADS bibliographic code: 1999AcApS..19..261F

  • Magnetic fields of neutron stars in low mass X-ray binaries
    D. Psaltis and F. K. Lamb
    Astronomical and Astrophysical Transactions, v18:447-454, 1999
    ADS bibliographic code: 1999A&AT...18..447P