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Astrophysics Data System (ADS)

Query Results from Astronomy Database

Retrieved 180 abstracts, starting with number 501. Total number selected: 680


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 1981ApJ...251L.105S
0.34412/1981A          F                  R  C      S          
STERN, R. A.; NOUSEK, J. A.; NUGENT, J. J.; AGRAWAL, P. C.; RIEGLER, G. R.; GARMIRE, G. P.; ROSENTHAL, A.; PRAVDO, S. H.
X-ray and optical observations of HD 155638 - A remarkably active cool star

 1981ApJ...251...15T
0.34412/1981A                              R  C                  
TENNANT, A. F.; MUSHOTZKY, R. F.; BOLDT, E. A.; SWANK, J. H.
Rapid X-ray variability in the Seyfert galaxy NGC 6814

 1981xras.nasa..599R
0.34411/1981A                                                      
ROTHSCHILD, R. E.
Hard X-ray astrophysics

 1981plap.rept..225R
0.34411/1981A                                                      
ROSSI, B.
Evolution of X-ray astronomy

 1981ApJ...250..733K
0.34411/1981A                              R  C      S          
KAHN, S. M.; CHARLES, P. A.; BOWYER, S.; BLISSETT, R. J.
Soft X-ray spectral variations in Scorpius X-1

 1981ApJ...250..723R
0.34411/1981A                              R  C      S          
ROTHSCHILD, R. E.; GRUBER, D. E.; KNIGHT, F. K.; MATTESON, J. L.; NOLAN, P. L.; SWANK, J. H.; HOLT, S. S.; SERLEMITSOS, P. J.; MASON, K. O.; TUOHY, I. R.
The X-ray spectrum of AM Herculis from 0.1 to 150 keV

 1981ApJ...250..216G
0.34411/1981A                                  C                  
GALAS, C. M. F.; VENKATESAN, D.; GARMIRE, G.
Soft X-ray observation of supernova remnant IC 443

 1981AJ.....86.1585H
0.34411/1981A          F                  R  C      S  N      
HUTTER, D. J.; MUFSON, S. L.
An optical and X-ray survey of s-type Markarian galaxies

 1981A&A...103..367M
0.34411/1981A                                                      
MEIDAV, M.; SADEH, D.
The stability of the pulse intensity of the X-ray pulsar in the Crab Nebula

 1981prnc.rept.....T
0.34410/1981A                                                      
TURNER, E. L.; GELLER, M. J.
Study of the fluctuations in the cosmic X-ray background

 1981AsAer..19...30F
0.34410/1981A                                                      
FRIEDMAN, H.
The astronomical horizon

 1981ApJ...249..406M
0.34410/1981A                              R  C                  
MARSCHER, A. P.; BRODERICK, J. J.
X-ray and VLBI radio observations of the quasars NRAO 140 and NRAO 530

 1981ApJ...249...35H
0.34410/1981A                              R  C                  
HOLMAN, G. D.; MCKEE, J. D.
HEAO A-2 observations of non-Abell Zwicky clusters containing extended radio sources

 1981ApJ...249L..21S
0.34410/1981A          F                  R  C      S          
STEINER, J. E.; SCHWARTZ, D. A.; JABLONSKI, F. J.; BUSKO, I. C.; WATSON, M. G.; PYE, J. P.; MCHARDY, I. M.
Identification of 4U 1849-31 with V1223 Sagittarii and discovery of optical pulsations

 1981TecN....9...32G
0.34409/1981A                                                      
GERIL, N.
X-ray astronomy and the AXAF space observatory

 1981Natur.293..275N
0.34409/1981A                                  C      S          
NOLAN, P. L.; GRUBER, D. E.; KNIGHT, F. K.; MATTESON, J. L.; ROTHSCHILD, R. E.; MARSHALL, F. E.; LEVINE, A. M.; PRIMINI, F. A.
Hard X-ray spectrum of Cygnus X-1

 1981ApJ...248L..61M
0.34409/1981A          F                      C      S  N      
MUFSON, S. L.; HUTTER, D. J.
The detection of X-ray emission from the BL Lacertae object Markarian 180

 1981N85-12840.....D
0.34408/1981A                                                      
DEZOTTI, G.; BOLDT, E. A.; CAVALIERE, A.; DANESE, L.; FRANCESCHINI, A.; MARSHALL, F. E.; SWANK, J. H.; SZYMKOWIAK, A. E.
On syntheses of the X-ray background with power-law sources

 1981ApJ...247..994W
0.34408/1981A                                  C      S          
WHITE, N. E.; BECKER, R. H.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.; SWANK, J. H.
A 5.57 hour modulation of the X-ray flux from 4U 1822-37

 1981ApJ...247..803R
0.34408/1981A                              R  C      S          
REICHERT, G.; MASON, K. O.; CHARLES, P. A.; BOWYER, S.; LEA, S. M.; PRAVDO, S.
Low energy X-ray emission from five galaxy cluster sources

 1981ApJ...247..632W
0.34407/1981A                                  C                  
WOOD, K. S.; BYRAM, E. T.; CHUBB, T. A.; FRIEDMAN, H.; MEEKINS, J. F.; SHARE, G. H.; YENTIS, D. J.
A 4.2 second period in the gamma-ray burst of 1977 October 29

 1981ApJ...247L..31W
0.34407/1981A          F                      C      S          
WORRALL, D. M.; KNIGHT, F. K.; NOLAN, P. L.; ROTHSCHILD, R. E.; LEVINE, A. M.; PRIMINI, F. A.; LEWIN, W. H. G.
The hard X-ray spectrum of X Persei

 1981PhDT.........1T
0.34406/1981A                                                      
TENNANT, A. F.; MUSHOTZKY, R. F.; BOLDT, E. A.; SWANK, J. H.
Rapid X-ray variability in the Seyfert galaxy NGC 6814

 1981N81-29060.....W
0.34406/1981A                                                      
WHITE, N. E.; MARSHALL, F. E.
The 805s X-ray pulsar H2252-035

 1981IAUC.3611....2W
0.34406/1981        E                                              
WALTER, F. M.; WHITE, N. E.; SWANK, J.
4U 1916-05

 1981ApJ...246..951B
0.34406/1981A                                  C                  
BYRNE, P. F.; LEVINE, A. M.; BAUTZ, M.; HOWE, S. K.; LANG, F. L.; PRIMINI, F. A.; LEWIN, W. H. G.; GRUBER, D. E.; KNIGHT, F. K.; NOLAN, P. L.
High energy X-ray observations of the 38-second pulsar

 1981ApJ...246..494N
0.34406/1981A                                  C      S          
NOLAN, P. L.; GRUBER, D. E.; MATTESON, J. L.; PETERSON, L. E.; ROTHSCHILD, R. E.; DOTY, J. P.; LEVINE, A. M.; LEWIN, W. H. G.; PRIMINI, F. A.
Rapid variability of 10-140 keV X-rays from Cygnus X-1

 1981ApJ...246L.121C
0.34406/1981A          F                  R  C      S          
CHARLES, P. A.; KAHN, S. M.; MASON, K. O.; TUOHY, I. R.
Low-energy X-ray line emission from IC 443

 1981ApJ...245..799J
0.34405/1981A                                  C      S  N      
JOHNSTON, M. D.; BRADT, H. V.; DOXSEY, R. E.; MARSHALL, F. E.; SCHWARTZ, D. A.; MARGON, B.
The Ophiuchus cluster - A bright X-ray cluster of galaxies at low galactic latitude

 1981Natur.290..573S
0.34404/1981A                                  C      S          
STERN, R. A.; RIEGLER, G. R.; AGRAWAL, P. C.
The very soft X-ray transient H1853 + 60

 1981Natur.290..572N
0.34404/1981A                                  C      S          
NAGASE, F.; HAYAKAWA, S.; KUNIEDA, H.; MAKINO, F.; MASAL, K.; TAWARA, Y.; INOUE, H.; KOYAMA, K.; MAKISHIMA, K.; MATSUOKA, M.
Spin-down episode of the X-ray pulsar Vela X-1

 1981Natur.290..483B
0.34404/1981A                                  C                  
BOLDT, E.; LEITER, D.
Precursor active galaxies and the cosmic X-ray background

 1981N81-26998.....U
0.34403/1981A                                                      
URRY, C. M.; MUSHOTZKY, R. F.
PKS 2155-304 relativistically beamed synchrotron radiation from BL LAC object

 1981ApJ...244.1001M
0.34403/1981A                                  C      S          
MIDDLEDITCH, J.; MASON, K. O.; NELSON, J. E.; WHITE, N. E.
4U 1626-67 - A prograde spinning X-ray pulsar in a 2500 s binary system

 1981ApJ...244L..85W
0.34403/1981A          F                      C      S          
WHITE, N. E.
An 81 minute modulation of the X-ray flux from 2A 0311-227

 1981Ap&SS..75..163K
0.34403/1981A                                  C                  
KANE, S. R.
Multi-spacecraft observations of solar hard X-ray bursts

 1981Ap&SS..75...21K
0.34403/1981A                                  C                  
KNIGHT, F. K.; MATTESON, J. L.; PETERSON, L. E.
The spectra and light curves of two gamma-ray bursts

 1981ApJ...243..690K
0.34402/1981A                                  C      S  N      
KONDO, Y.; WORRALL, D. M.; MUSHOTZKY, R. F.; HACKNEY, R. L.; HACKNEY, K. R. H.; OKE, J. B.; YEE, H. K. C.; NEUGEBAUER, G.; MATTHEWS, K.; FELDMAN, P. A.; BROWN, R. L.
Quasi-simultaneous observations of BL Lac object Mrk 501 in X-ray, UV, visible, IR, and radio frequencies

 1981xras.proc...51S
0.34400/1981A                                                      
SMITH, B. W.
X-ray spectra of supernova remnants

 1981SSRv...30..385B
0.34400/1981                                    C                  
BONAZZOLA, S.
Search for fast time fluctuations in Cygnus-X1 and Herculis-X1

 1981PhDT.........3K
0.34400/1981A                                                      
KNIGHT, F. K.
X-ray and gamma-ray observations of pulsed emission from radio pulsars

 1981N81-20001.....W
0.34401/1981A                                                      
WHITE, N. E.; BECKER, R. H.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.; SWANK, J. H.
A 5.57 hour modulation of the X-ray flux of 4U1822-37: A new model for CYG X-3

 1981MNRAS.194..219D
0.34401/1981A          F                                          
DEAN, A. J.; DIPPER, N. A.
An evaluation of the background effects in actively shielded hard X-ray telescopes at balloon altitudes

 1981ApJ...243..244B
0.34401/1981A                                  C      S          
BAI, T.
The 35 day dependence of the pulse shape of Hercules X-1

 1981ApJ...243L...9R
0.34401/1981A          F                  R  C      S  N      
ROTHSCHILD, R. E.; BAITY, W. A.; MARSCHER, A. P.; WHEATON, W. A.
Nonthermal hard X-ray emission from the nucleus of NGC 1275

 1981AdSpR...1..247H
0.34400/1981A                                                      
HUDSON, H. S.
X-ray and gamma-ray observations of a white-light flare

 1981AdSpR...1..215N
0.34400/1981A                                                      
NOLAN, P. L.; CRUBER, D. E.; MATTESON, J. L.; PETERSON, L. E.; ROTHSCHILD, R. E.; DOTY, J. P.; LEVINE, A. M.; PRIMINI, F. A.
Rapid variability of 10-140 keV X-rays from Cygnus X-1

 1981A81-26925.....B
0.34400/1981A                                                      
BOLDT, E.
The cosmic X-ray background

 1980ApJ...242..857H
0.34412/1980A                                  C      S          
HINTZEN, P.; SCOTT, J. S.; MCKEE, J. D.
The revised HEAO A-2 X-ray luminosity function for Abell clusters

 1980ApJ...242..843M
0.34412/1980A                              R  C                  
MCKEE, J. D.; MUSHOTZKY, R. F.; BOLDT, E. A.; HOLT, S. S.; MARSHALL, F. E.; PRAVDO, S. H.; SERLEMITSOS, P. J.
The HEAO A-2 survey of Abell clusters and the X-ray luminosity function

 1980ApJ...242L.105V
0.34412/1980            F                      C      S          
VAN BUREN, D.; CHARLES, P. A.; MASON, K. O.
Discovery of soft X-ray emission from V471 Tauri and UU Sagittae - Two highly evolved, low-mass binaries

 1980MNRAS.193P..25G
0.34411/1980A          F                              S          
GRIFFITHS, R. E.; LAMB, D. Q.; WARD, M. J.; WILSON, A. S.; CHARLES, P. A.; THORSTENSEN, J.; MCHARDY, I. M.; LAWRENCE, A.
The optical identification of H2252-035 with a cataclysmic variable

 1980ApJ...242L..19K
0.34411/1980A          F                      C                  
KAHN, S. M.; CHARLES, P. A.; BOWYER, S.; BLISSETT, R. J.
X-ray line emission from the Cygnus Loop

 1980ApJ...241.1070S
0.34411/1980A                                  C      S          
SZKODY, P.; TUOHY, I. R.; CORDOVA, F. A.; STOCKMAN, H. S.; ANGEL, J. R. P.; WISNIEWSKI, W.
AM Herculis - Simultaneous X-ray, optical, and near-IR coverage

 1980PASP...92..691H
0.34411/1980A          F                              S          
HELFAND, D. J.
A search for X-ray binary stars in their quiescent phase

 1980Natur.287..516M
0.34410/1980A                                                      
MASON, K. O.; MIDDLEDITCH, J.; NELSON, J. E.; WHITE, N. E.
An optical burst from the star identified with the X-ray source 2S1254-690

 1980ApJ...241...74M
0.34410/1980A                                          S  N      
MUFSON, S. L.; WOOD, K.; MCNUTT, D. P.; YENTIS, D. J.; MEEKINS, J. F.; BYRAM, E. T.; CHUBB, T. A.; FRIEDMAN, H.; WISNIEWSKI, W. Z.
The continuous spectrum of Markarian 421 during periods of X-ray satellite observations

 1980ApJ...241L..13H
0.34410/1980A          F                                          
HOLT, S. S.; MUSHOTZKY, R. F.; BOLDT, E. A.; SERLEMITSOS, P. J.; BECKER, R. H.; SZYMKOWIAK, A. E.; WHITE, N. E.
X-ray spectral constraints on the broad-line cloud geometry of NGC 4151

 1980N80-33332.....H
0.34409/1980A                                                      
HOLT, S. S.
Spectroscopy of compact extragalactic X-ray sources

 1980IAUC.3511....1W
0.34409/1980        E                                              
WARNER, B.; PATTERSON, J.; PRICE, C.; BOND, H.
H 2252-035

 1980ApJ...240..619S
0.34409/1980A                                          S          
SKINNER, G. K.; SHULMAN, S.; SHARE, G.; EVANS, W. D.; MCNUTT, D.; MEEKINS, J.; SMATHERS, H.; WOOD, K.; YENTIS, D.; BYRAM, E. T.; CHUBB, T. A.; FRIEDMAN, H.
Observations of outbursts from the recurrent X-ray transient A0538-66 and LMC X-4

 1980Natur.286..786R
0.34408/1980A                                          S          
ROTHSCHILD, R. E.; GRUBER, D. E.; KNIGHT, F. K.; NOLAN, P. L.; SOONG, Y.; LEVINE, A. M.; PRIMINI, F. A.; LEWIN, W. H. G.; WHEATON, W. A.
A high sensitivity determination of the hard X-ray spectrum of Sco X-1

 1980ApJ...239..655W
0.34407/1980A                                          S          
WHITE, N. E.; BECKER, R. H.; PRAVDO, S. H.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.
The X-ray pulsars 4U 1145-61 and 1E 1145.1-6141

 1980S&T....59..455C
0.34406/1980A                                                      
CASH, W.; CHARLES, P.
Stalking the Cygnus superbubble

 1980MNRAS.191..887N
0.34406/1980A          F                                          
NULSEN, P. E. J.; FABIAN, A. C.
The large-scale structure of X-ray clusters of galaxies. II

 1980IAUC.3482....2W
0.34406/1980        E                                              
WHITE, N. E.; HOLT, S. S.; BOLDT, E. A.; SERLEMITSOS, P. J.
HEAO Observations of X-Ray Sources

 1980ApJ...238L..77S
0.34406/1980A          F                              S          
STERN, R. A.; WALKER, A. B. C.; CHARLES, P. A.; NUGENT, J. J.; GARMIRE, G. P.
An extended soft X-ray source in Delphinus - H2027+19

 1980ApJ...238L..71C
0.34406/1980A          F                              S          
CASH, W.; CHARLES, P.; BOWYER, S.; WALTER, F.; GARMIRE, G.; RIEGLER, G.
The X-ray superbubble in Cygnus

 1980ApJ...238L..59S
0.34406/1980A          F                              S  N      
SCHWARTZ, D. A.; SCHWARZ, J.; TUCKER, W.
X-ray emission from compact groups of galaxies

 1980AJ.....85..668M
0.34406/1980            F                                          
MARSCHER, A. P.; SHAFFER, D. B.
VLBI observations at 18 and 2.8 cm - 0133 + 47, 0735 + 178, OH 471, OQ 172, 1633 + 38, and NRAO 667 /2147 + 145/

 1980Natur.285...26J
0.34405/1980A                                                      
JOHNSTON, M. D.; GRIFFITHS, R. E.; WARD, M. J.
Improved position and new optical candidate for A0538-66

 1980MNRAS.191P..33S
0.34405/1980A          F                              S          
STICKLAND, D. J.; DWORETSKY, M. M.
Does Phi Herculis have a corona

 1980IAUC.3472....2P
0.34405/1980        E                                              
PAKULL, M.
Optical Candidate for LMC X-1

 1980N80-28290.....M
0.34404/1980A                                                      
MCKEE, J. D.; MUSHOTZKY, R. F.; BOLDT, E. A.; HOLT, S. S.; MARSHALL, F. E.; PRAVDO, S. H.; SERLEMITSOS, P. J.
The HEAO A-2 survey of Abell clusters and the X-ray luminosity function

 1980ApJ...237L..11S
0.34404/1980A          F                              S  N      
SNYDER, W. A.; DAVIDSEN, A. F.; WOOD, K.; KINZER, R.; SMATHERS, H.; SHULMAN, S.; MEEKINS, J. F.; YENTIS, D. J.; EVANS, W. D.; BYRAM, E. T.; CHUBB, T. A.; FRIEDMAN, H.; MARGON, B.
Rapid X-ray variability of PKS 2155-304

 1980N80-23247.....B
0.34403/1980A                                                      
BOLDT, E. A.
The cosmic X-ray background

 1980MNRAS.190..861D
0.34403/1980A          F                                          
DULDIG, M. L.; THOMAS, R. M.; GREENHILL, J. G.; MURDIN, P. G.; HAYNES, R. F.
Observations of the LMC X-1 region /MC76 and 77/ at 2 cm

 1980ApJ...236..738J
0.34403/1980A                                                      
JOHNSON, H. M.; SCHNOPPER, H. W.; DELVAILLE, J. P.
SAS 3 and related observations of Abell 2029

 1980ApJ...236..730M
0.34403/1980A                                                      
MITCHELL, R.; MUSHOTZKY, R.
HEAO A-2 observations of the X-ray spectra of the Centaurus and A1060 clusters of galaxies

 1980ApJ...236L.131A
0.34403/1980A          F                              S          
ARMSTRONG, J. T.; JOHNSTON, M. D.; BRADT, H. V.; DOXSEY, R. E.; COWLEY, A. P.; GRIFFITHS, R. E.; HESSER, J. E.; SCHWARTZ, D. A.
Precise positions and optical search for the 38 second X-ray pulsar near OAO 1653-40 and upper limit on X-ray emission from V861 Scorpii

 1980N80-28289.....W
0.34402/1980A                                                      
WORRALL, D. M.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.
The X-ray spectrum of QSO 0241+622

 1980ApJ...236...58U
0.34402/1980A                                                      
ULMER, M. P.; CRUDDACE, R. G.; WOOD, K.; MEEKINS, J.; YENTIS, D.; EVANS, W. D.; SMATHERS, H. W.; BYRAM, E. T.; CHUBB, T. A.; FRIEDMAN, H.
A search for extended halos of hot gas in the Perseus, Virgo, and Coma Clusters

 1980ApJ...236L..13G
0.34402/1980A          F                                          
GALAS, C. M. F.; TUOHY, I. R.; GARMIRE, G. P.
Soft X-ray observations of the supernova remnants HB 3 and 3C 58

 1980xras.proc..171M
0.34400/1980A                                                      
MUSHOTZKY, R.
The X-ray spectra of clusters of galaxies

 1980PhDT.........4K
0.34400/1980A                                                      
KAHN, S. M.
Soft X-ray spectral and temporal properties of galactic sources

 1980MNRAS.190...87C
0.34401/1980A          F                              S          
CORDOVA, F. A.; NUGENT, J. J.; KLEIN, S. R.; GARMIRE, G. P.
The HEAO-A2 soft X-ray survey of dwarf novae in outburst

 1980ApJ...235L..77C
0.34401/1980A          F                              S          
CARROLL, R. W.; CRUDDACE, R. G.; FRIEDMAN, H.; BYRAM, E. T.; WOOD, K.; MEEKINS, J.; YENTIS, D.; SHARE, G. H.; CHUBB, T. A.
Identification of a faint X-ray source with the W Ursae Majoris star VW Cephei

 1980ApJ...235L...9P
0.34401/1980A          F                                          
PRAVDO, S. H.; SMITH, B. W.; CHARLES, P. A.; TUOHY, I. R.
X-ray line emission from the Tycho supernova remnant

 1980ApJ...235....4M
0.34401/1980A                                                      
MARSHALL, F. E.; BOLDT, E. A.; HOLT, S. S.; MILLER, R. B.; MUSHOTZKY, R. F.; ROSE, L. A.; ROTHSCHILD, R. E.; SERLEMITSOS, P. J.
The diffuse X-ray background spectrum from 3 to 50 keV

 1979Natur.282..692S
0.34412/1979A                                          S  N      
SHARE, G. H.; BONNARDEAU, M.; WOOD, K.; MEEKINS, J. F.; YENTIS, D. J.; EVANS, W. D.; JOHNSON, W. N.; SHULMAN, S.; BYRAM, E. T.; CHUBB, T. A.
X-ray emission from gamma-ray sources in the galactic anticentre region

 1979Natur.282..691C
0.34412/1979A                                          S          
CHARLES, P.; WALTER, F.; BOWYER, S.
X-ray and optical variability in 2A1052+606 - A new RS CVn-type system

 1979MNRAS.189P..59T
0.34412/1979A          F                                          
TUOHY, I. R.; CLARK, D. H.; GARMIRE, G. P.
Observation of soft X-ray emission from the supernova remnant HB9

 1979ApJ...234..810G
0.34412/1979A                                          S  N      
GRIFFITHS, R. E.; BRIEL, U.; CHAISSON, L.; TAPIA, S.
Optical and X-ray properties of the newly discovered BL Lacertae object PKS 2155-304 /= H2155-304/

 1979ApJ...234L.195P
0.34412/1979A          F                                          
PRAVDO, S. H.; SMITH, B. W.
X-ray evidence for electron-ion equilibrium and ionization nonequilibrium in Young supernova remnants

 1979Natur.282..240W
0.34411/1979A                                          S          
WHEATON, W. A.; DOTY, J. P.; PRIMINI, F. A.; COOKE, B. A.; DOBSON, C. A.; GOLDMAN, A.; HECHT, M.; HOWE, S. K.; HOFFMAN, J. A.; SCHEEPMAKER, A.
An absorption feature in the spectrum of the pulsed hard X-ray flux from 4U0115 + 63

 1979N80-14977.....D
0.34411/1979
DAILEY, C.; JOHNSON, W.
HEAO Science Symposium

 1979msfc.symp..251G
0.34411/1979A                                                      
GRIFFITHS, R.
Optical identification and spectroscopy of X-ray sources precisely positioned with A-3

 1979msfc.symp..244W
0.34411/1979A                                                      
WINKLER, P. F.
X-ray iron-line emission from the SN 185 remnant

 1979msfc.symp..201L
0.34411/1979A                                                      
LAMB, R. C.
X-ray emission from the region of gamma 195+5

 1979msfc.symp..166M
0.34411/1979A                                                      
MATTESON, J.
A-4 scientific results

 1979msfc.symp..114S
0.34411/1979A                                                      
SCHWARTZ, D. A.
A-3 scientific results - extragalactic

 1979msfc.symp..101D
0.34411/1979A                                                      
DOXSEY, R.
A-3 scientific results

 1979msfc.symp...82B
0.34411/1979A                                                      
BOLDT, E. A.
HEAO A-2 extragalactic results

 1979msfc.symp...49G
0.34411/1979A                                                      
GARMIRE, G.
The scientific results of the low energy portion of A-2

 1979ApJ...234....1P
0.34411/1979A                                                      
PRAVDO, S. H.; MCKEE, J.; SMITH, B. W.; BOLDT, E. A.; MARSHALL, F. E.; MUSHOTZKY, R. F.; REICHERT, G.
A search for X-ray emission from rich clusters, extended halos around clusters, and superclusters

 1979ApJ...233L.121W
0.34411/1979A          F                                          
WHITE, N. E.; PRAVDO, S. H.
The discovery of 38.22 second X-ray pulsations from the vicinity of OAO 1653-40

 1979N79-34131.....M
0.34410/1979A                                                      
MITCHELL, R.; MUSHOTZKY, R.
HEAO-A2 observations of the X-ray spectra of the Centaurus and A1060 clusters of galaxies

 1979MNRAS.189..183N
0.34410/1979A          F                                          
NULSEN, P. E. J.; FABIAN, A. C.; MUSHOTZKY, R. F.; BOLDT, E. A.; HOLT, S. S.; MARSHALL, F. J.; SERLEMITSOS, P. J.
Large-scale structure of X-ray clusters of galaxies

 1979ApJ...233..498M
0.34410/1979A                                                      
MARSCHER, A. P.; MARSHALL, F. E.; MUSHOTZKY, R. F.; DENT, W. A.; BALONEK, T. J.; HARTMAN, M. F.
Search for X-ray emission from bursting radio sources

 1979ApJ...233L..57T
0.34410/1979A          F                              S          
THORSTENSEN, J.; CHARLES, P.; BOWYER, S.; BRIEL, U. G.; DOXSEY, R. E.; GRIFFITHS, R. E.; SCHWARTZ, D. A.
A precise position and optical identification for 4U 2129+47 - X-ray heating and a 5.2 hour binary period

 1979ApJ...233L..47R
0.34410/1979A          F                              S  N      
RIEGLER, G. R.; MUSHOTZKY, R. F.; AGRAWAL, P. C.
The X-ray spectrum of the BL Lacertae object PKS 0548-322

 1979SSRv...24..101M
0.34409/1979A                                                      
MEWE, R.
Stellar coronae - Evidence for their existence from X- and UV observations

 1979Natur.281..127W
0.34409/1979A                                                      
WORRALL, D. M.; MARSHALL, F. E.; BOLDT, E. A.
A limit to the X-ray luminosity of nearby normal galaxies

 1979Natur.281...48W
0.34409/1979A                                          S          
WILLIAMS, G.; JOHNS, M.; PRICE, C.; HILTNER, A.; BOLEY, F.; MAKER, S.; MOOK, D.
Optical counterpart of 2A0311-227

 1979N80-17933.....H
0.34409/1979A                                                      
HOLT, S. S.; MUSHOTZKY, R. F.
GSFC contributions to the NATO X-ray Astronomy Institute, Erice, July 1979

 1979N79-34134.....P
0.34409/1979A                                                      
PRAVDO, S. H.; SMITH, B. W.
X-ray evidence for electron-ion equilibrium and ionization nonequilibrium in young supernova remnants

 1979ApJ...232..683W
0.34409/1979
WORRALL, D. M.; MUSHOTZKY, R. F.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.
The X-ray spectrum of 3C 273

 1979ApJ...232L.111C
0.34409/1979A          F                              S          
CASH, W.; SNOW, T. P., JR.; CHARLES, P.
X-ray emission from an Ap star /Phi Herculis/ and a late B star /Pi Ceti/

 1979Natur.280..568M
0.34408/1979A                                          S  N      
MASON, K. O.; KAHN, S. M.; BOWYER, C. S.
Soft X-ray emission from the vicinity of MV Lyr

 1979MNRAS.188P...5P
0.34408/1979A          F                              S          
PRAVDO, S. H.; BUSSARD, R. W.; WHITE, N. E.
Pulse-phase spectroscopy of Hercules X-1

 1979ApJ...232L..27G
0.34408/1979A          F                              S          
GRIFFITHS, R. E.; CHAISSON, L.; WARD, M. J.; BLADES, J. C.; WILSON, A. S.; JOHNSTON, M. D.
The optical identification of 2A 0311-227 with a new AM Herculis-type object

 1979ApJ...232L..25C
0.34408/1979A          F                                          
CHARLES, P. A.; MASON, K. O.
Soft X-ray emission from 2A 0311-227, an AM Herculis-type system

 1979ApJ...232L..17M
0.34408/1979A          F                              S          
MUSHOTZKY, R. F.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.
A change in the X-ray spectrum of Markarian 421

 1979ApJ...231..919R
0.34408/1979A                                          S          
ROSE, L. A.; MARSHALL, F. E.; HOLT, S. S.; BOLDT, E. A.; ROTHSCHILD, R. E.; SERLEMITSOS, P. J.; PRAVDO, S. H.; KALUZIENSKI, L. J.
Observations of the transient X-ray source 4U 0115+63

 1979N79-31132.....M
0.34407/1979A                                                      
MARSHALL, F. E.; BOLDT, E. A.; HOLT, S. S.; MILLER, R.; MUSHOTZKY, R. F.; ROSE, L. A.; ROTHSCHILD, R. E.; SERLEMITSOS, P. J.
The diffuse X-ray background spectrum from 3 to 50keV

 1979MNRAS.188..103C
0.34407/1979A          F                              S          
CORDOVA, F. A.; RIEGLER, G. R.
The HEAO-A2 soft X-ray survey of cataclysmic variable stars - EX Hydrae during optical quiescence

 1979ApJS...40..657M
0.34407/1979A                                          S          
MARSHALL, F. E.; BOLDT, E. A.; HOLT, S. S.; MUSHOTZKY, R. F.; ROTHSCHILD, R. E.; SERLEMITSOS, P. J.; PRAVDO, S. H.
New hard X-ray sources observed with HEAO A-2

 1979A&A....76L..14P
0.34407/1979A                                          S  N      
PHILLIPS, M. M.; FELDMAN, F. R.; MARSHALL, F. E.; WAMSTEKER, W.
ESO 103-G35 - A new Seyfert galaxy and possible X-ray source

 1979RSLPS.366......
0.34406/1979A                      T                              

Royal Society, Discussion on Some Recent Results in X-Ray Astronomy, London, England, April 25, 26, 1978, Proceedings

 1979N79-29136.....B
0.34406/1979A                                                      
BOLDT, E. A.
HEAO A-2 extragalactic results

 1979ApJ...230L.163M
0.34406/1979A          F                                          
MASON, K. O.; KAHN, S. M.; CHARLES, P. A.; LAMPTON, M. L.; BLISSETT, R.
Soft X-ray spectrum and structure of the supernova remnant G65.2+5.7

 1979ApJ...230L.145M
0.34406/1979A          F                              S          
MARSHALL, F. E.; SWANK, J. H.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.
X-ray observations of H1908+050 /=SS 433/

 1979ApJ...230L..83C
0.34406/1979A          F                                          
CHARLES, P. A.; KAHN, S. M.; BOWYER, S.; BLISSETT, R. J.; CULHANE, J. L.; CRUISE, A. M.; GARMIRE, G.
The interstellar oxygen edge in the X-ray spectrum of the Crab Nebula

 1979PhDT.........5D
0.34400/1979A                                                      
DECORDOVA, F. A. D.
X-ray observations of dwarf novae

 1979Natur.279..139T
0.34405/1979A                                                      
TUOHY, I. R.; NUGENT, J. J.; GARMIRE, G. P.; CLARK, D. H.
Evidence for X-ray emission from Kepler's supernova remnant

 1979N79-28078.....P
0.34405/1979A                                                      
PRAVDO, S. H.; BUSSARD, R. W.; WHITE, N. E.
Pulse phase spectroscopy of Hercules X-1

 1979ApJ...230L..27T
0.34405/1979A          F                                          
TUOHY, I. R.; CORDOVA, F. A.; GARMIRE, G. P.; MASON, K. O.; CHARLES, P. A.; WALTER, F. M.; CLARK, D. H.
Discovery of X-ray emission from two southern supernova remnants

 1979ApJ...230L...5B
0.34405/1979A          F                                          
BRADT, H. V.; DOXSEY, R. E.; JOHNSTON, M. D.; SCHWARTZ, D. A.; LILLER, W.; BURKHEAD, M. S.; DENT, W. A.; SMITH, A. G.
3C 273 - X-ray variability, spectrum, and position

 1979N79-23858.....M
0.34404/1979A                                                      
MARSHALL, F. E.; SWANK, J. H.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.
X-ray observations of H1908+050 (=SS433?)

 1979N79-23856.....M
0.34404/1979A                                                      
MUSHOTZKY, R. F.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.
A change in the X-ray spectrum of MK 421

 1979N79-23855.....W
0.34404/1979A                                                      
WORRALL, D. M.; LAUB, R. C.
X-ray emission from the region of gamma 195 plus 5

 1979N79-23852.....W
0.34404/1979A                                                      
WORRALL, D. M.; MUSHOTZKY, R. F.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.
The X-ray spectrum of 3C 273

 1979ApJ...229L..47C
0.34404/1979A          F                              S          
CLINE, T. L.; DESAI, U. D.; TRAINOR, J.; PIZZICHINI, G.; SPIZZICHINO, A.; KLEBESADEL, R.; RICKETTS, M.; HELMKEN, H.
Helios 2-Vela-Ariel 5 gamma-ray burst source position

 1979Natur.278..436S
0.34403/1979A                                          S          
SADEH, D.; MEIDAV, M.; WOOD, K.; YENTIS, D.; SMATHERS, H.; MEEKINS, J.; EVANS, W.; BYRAM, E. T.; CHUBB, T. A.; FRIEDMAN, H.
Semi-periodic pulsations in Circinus X-1

 1979Natur.278..434S
0.34403/1979A                                          S          
SAMIMI, J.; SHARE, G. H.; WOOD, K.; YENTIS, D.; MEEKINS, J.; EVANS, W. D.; SHULMAN, S.; BYRAM, E. T.; CHUBB, T. A.; FRIEDMAN, H.
GX339-4 - A new black hole candidate

 1979xras.proc..535S
0.34400/1979A                                                      
SHARE, G. H.; WOOD, K.; KINZER, R. L.; SHULMAN, S.; JOHNSON, W. N.; YENTIS, D.; MEEKINS, J.; EVANS, W.; MCNUTT, D.; SAMIMI, J.
X-ray emission in the vicinity of high-energy gamma-ray sources

 1979xras.proc..423S
0.34400/1979A                                                      
SHULMAN, S.
Faint extragalactic objects and the unidentified high latitude X-ray sources

 1979xras.proc..405U
0.34400/1979A                                                      
ULMER, M. P.; KINZER, R.; CRUDDACE, R. G.; WOOD, K.; BYRAM, E. T.; CHUBB, T. A.; FRIEDMAN, H.
X-ray observations of the lunar occultation of Abell 401

 1979xras.proc..373B
0.34400/1979A                                                      
BAITY, W. A.; GRUBER, D. E.; MATTESON, J. L.; KNIGHT, F. K.; NOLAN, P. L.; SCHEEPMAKER, A.; WHEATON, W. A.; HOFMAN, J. A.; PRIMINI, F. A.; LEWIN, W. H. G.
High energy X-ray observations of extragalactic objects

 1979xras.proc..205M
0.34400/1979A                                                      
MEEKINS, J. F.; BYRAM, E. T.; HEDLER, R.; EVANS, W.; WOOD, K.; YENTIS, D.; CHUBB, T.; FRIEDMAN, H.
Variability of Cygnus X-1 on millisecond timescales

 1979xras.proc..111G
0.34400/1979A                                                      
GARMIRE, G. P.
Low luminosity galactic X-ray sources

 1979xras.proc.....B
0.34400/1979A                      T                              
BAITY, W. A.; PETERSON, L. E.
X-ray astronomy; Proceedings of the Symposium, Innsbruck, Austria, May 29-June 10, 1978

 1979fyiuesymp..157W
0.34400/1979A                                                      
WU, C. -C.; BOGGESS, A.; GULL, T. R.; MUSHOTSKY, R. F.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.
Ultraviolet and X-ray observations of Seyfert galaxies and low z QSOs

 1979cgxs.work...62G
0.34400/1979A                                                      
GARMIRE, G.
Soft X-ray observations of degenerate dwarfs and cataclysmic variables

 1979ApJ...227L..73U
0.34401/1979A          F                                          
ULMER, M. P.; KINZER, R.; CRUDDACE, R. G.; WOOD, K.; EVANS, W.; BYRAM, E. T.; CHUBB, T. A.; FRIEDMAN, H.
Diffuse X-ray emission from Abell clusters 401 and 399 - A gravitationally bound system

 1979ApJ...227L..67L
0.34401/1979A          F                                          
LEA, S. M.; MASON, K. O.; REICHERT, G.; CHARLES, P. A.; RIEGLER, G.
Discovery of 1.1 keV iron line emission in the spectrum of the M87/Virgo cluster X-ray source

 1979A80-36965.....W
0.34400/1979A                                                      
WEISSKOPF, M. C.
X-ray astronomy

 1978Natur.276..587H
0.34412/1978A                                          S          
HOFFMAN, J. A.; WHEATON, W. A.; PRIMINI, F. A.; CAMPBELL, P.; MATTESON, J. L.; GRUBER, D. E.; PETERSON, L. E.; SWANK, J. H.; BOLDT, E. A.; HOLT, S. S.
HEAO observations of X-ray bursts from MXB1730-335

 1978N79-23851.....M
0.34412/1978A                                                      
MARSHALL, F. E.; BOLDT, E. A.; HOLT, S. S.; MUSHOTZKY, R. F.; PRAVDO, S. H.; ROTHSCHILD, R. E.; SERLEMITSOS, P. J.
New hard X-ray sources observed with HEAO-A2

 1978ApJ...226L.133S
0.34412/1978A          F                              S          
SWANK, J. H.; BOLDT, E. A.; HOLT, S. S.; ROTHSCHILD, R. E.; SERLEMITSOS, P. J.
Hard X-rays from U Geminorum

 1978ApJ...226L.129M
0.34412/1978A          F                              S          
MASON, K. O.; LAMPTON, M.; CHARLES, P.; BOWYER, S.
The discovery of low-energy X-ray emission from U Geminorum

 1978ApJ...226L..83N
0.34412/1978A          F                              S          
NUGENT, J.; GARMIRE, G.
X-rays from Alpha Centauri

 1978ApJ...226L..65M
0.34412/1978A          F                              S          
MUSHOTZKY, R. F.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.; SWANK, J. H.; ROTHSCHILD, R. H.; PRAVDO, S. H.
X-ray observations of BL Lacertae objects

 1978AJ.....83.1539W
0.34412/1978A          F                              S          
WALTER, F.; CHARLES, P.; BOWYER, S.
X-ray emission from RS CVn systems - A progress report

 1978Natur.276..247G
0.34411/1978A                                          S          
GRIFFITHS, R. E.; GURSKY, H.; SCHWARTZ, D. A.; SCHWARZ, J.; BRADT, H.; DOXSEY, R. E.; CHARLES, P. A.; THORSTENSEN, J. R.
Positions and identifications for galactic X-ray sources 2A1822-371 and 2S1254-690

 1978ApJ...225L.119W
0.34411/1978            F                              S          
WALTER, F.; CHARLES, P.; BOWYER, S.
X-ray emission from UX Arietis - RS Canum Venaticorum systems as a class of coronal X-ray sources

 1978A&A....70..431A
0.34411/1978A                                          S          
AYRES, T. R.; LINSKY, J. L.; MARGON, B.; BOWYER, S.
Upper limits on extreme ultraviolet radiation from nearby main sequence and subgiant stars

 1978Natur.275..719S
0.34410/1978A                                          S          
SCHNOPPER, H. W.; DAVIS, M.; DELVAILLE, J. P.; GELLER, M. J.; HUCHRA, J. P.
Contribution of intermediate luminosity X-ray galaxies to the background - Anon 0945-30

 1978N78-32016.....M
0.34408/1978A                                                      
MUSHOTZKY, R. F.; BOLDT, E. A.; HOLT, S. A.; PRAVDO, S. H.; SERLEMITSOS, P. J.; SWANK, J. H.; ROTHSCHILD, R. H.
X-ray observations of BL Lac objects

 1978grsa.rept..302W
0.34408/1978A                                                      
WORRALL, D. M.; BOLDT, E. A.; HOLT, S. S.; PRAVDO, S. H.; SERLEMITSOS, P. J.
Galactic center iron line emission

 1978ApJ...223L..71J
0.34407/1978A          F                              S          
JOHNSTON, M.; BRADT, H.; DOXSEY, R.; GURSKY, H.; SCHWARTZ, D.; SCHWARZ, J.
Position and pulse profile of the X-ray transient 4U 0115 + 63

 1978ApJ...223L..21C
0.34407/1978A          F                                          
CASH, W.; BOWYER, S.; CHARLES, P. A.; LAMPTON, M.; GARMIRE, G.; RIEGLER, G.
The soft X-ray spectrum of Capella - Discovery of intense line emission

 1978cosp.meetQ....B
0.34405/1978A                                                      
BOLDT, E.; MARSHALL, F.; MUSHOTZKY, R.; HOLT, S.; ROTHSCHILD, R.; SERLEMITSOS, P.; STOTTLEMYER, A.; SHAFER, R.
The fluctuating and isotropic components of the cosmic X-ray background

 1978AsAer..16...50F
0.34404/1978A                                                      
FRIEDMAN, H.
High-energy astronomy with HEAO

 1978ApJ...221L..63G
0.34404/1978A          F                              S          
GRIFFITHS, R. E.; BRADT, H.; DOXSEY, R.; FRIEDMAN, H.; GURSKY, H.; JOHNSTON, M.; LONGMORE, A.; MALIN, D. F.; MURDIN, P.; SCHWARTZ, D. A.; SCHWARZ, J.
Nova Ophiuchi 1977 - An X-ray nova

 1978N78-21040.....B
0.34403/1978A                                                      
BOLDT, E. A.; GARMIRE, C.
The diffuse component of the cosmic X-radiation

 1978Natur.271..135B
0.34401/1978A                                          S          
BRECHER, K.; ULMER, M. P.
X-ray lines and magnetic field of Her X-1

 1978ieee.conf..623N
0.34400/1978A                                                      
NOVICK, M. W.
The High Energy Astronomy Observatory /HEAO/ Program

 1978bllo.conf..169M
0.34400/1978A                                                      
MUSHOTZKY, R. F.; BOLDT, E. A.; HOLT, S. S.; SERLEMITSOS, P. J.; SWANK, J. H.; ROTHSCHILD, R. H.; PRAVDO, S. H.
X-ray observations of BL Lac objects

 1978bllo.conf..163C
0.34400/1978A                                                      
CHUBB, T. A.
X-ray observations of Mk 501 and I Zw 1727+50

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