Dr. Ken Watanabe

Job Description: Sr. Scientist
Employer: Emergent Information Technologies
Fax: (301) 286-1684
Phone: (301) 286-1513
e-mail: watanabe@lheapop.gsfc.nasa.gov

Dr. Ken Watanabe is currently in charge of the RXTE data production at the RXTE Guest Observer Facility at the NASA Goddard Space Flight Center.

Education

Ph.D., Physics, CLEMSON University,Clemson, SC, 1996
M.S., Physics, University of IOWA, Iowa City, IA, 1991
B.S., Physics, TOHOKU University, Sendai, Japan, 1987

Professional Societies

American Astronomical Society

Research Interests

He has been working on the gamma-ray astrophysics since 1991. His interests include the cosmic gamma-ray background, supernovae, AGNs, the gamma-ray bursts and cosmic chemical evolution.

Papers Presented

"STUDYING THE COSMIC GAMMA-RAY BACKGROUND WITH SMM",
K. Watanabe, M. D. Leising, G. H. Share and R. L. Kinzer,
Second Compton GRO Symposium (College Park, MD 1993)

"THE PRELIMINARY RESULTS OF THE COSMIC GAMMA-RAY BACKGROUND WITH SMM",
K. Watanabe, M. D. Leising, G. H. Share and R. L. Kinzer,
Third Compton GRO Symposium (Munich, Germany 1995)

"THE MEV COSMIC GAMMA-RAY BACKGROUND FROM SMM",
K. Watanabe, M. D. Leising, G. H. Share and R. L. Kinzer,
AAS HEAD Meeting (San Diego, CA April,1996)

"THE DIFFUSE COSMIC GAMMA-RAY BACKGROUND WITH SMM BETWEEN 0.3 MeV AND 8 MeV",
K. Watanabe, M. D. Leising, G. H. Share and R. L. Kinzer,
189th AAS Meeting (Toronto, CANADA January,1997)

"THE CONTRIBUTION OF SUPERNOVAE TO THE COSMOLOGICAL MeV GAMMA-RAY BACKGROUND",
K. Watanabe, D. H. Hartmann, M. D. Leising and L. -S. The,
192nd AAS Meeting (San Diego, CA June,1998)

"GAMMA-RAY BURSTS AND THE COSMIC STAR FORMATION HISTORY",
D.H. Hartmann, D. Band, K. Hurley, H.-S. Park,K. Watanabe, G. G. Williams,
19th TEXAS SYMPOSIUM (Paris, France December,1998)

"SMM MEASUREMENT OF THE ISOTROPIC COSMIC GAMMA-RAY BACKGROUND",
K. Watanabe, M. Leising, G. Share, R. Kinzer,
AAS HEAD Meeting (CHARLESTON, SC April 12-15, 1999)

"THE CONTRIBUTION OF GRBs TO THE COSMIC GAMMA-RAY BACKGROUND",
K. Watanabe and D.H.Hartmann,
AAS HEAD Meeting (Honolulu, HI November 6-10, 2000)

"THE CONTRIBUTION OF GRBs and Seyfert Galaxies TO THE COSMIC GAMMA-RAY BACKGROUND",
K. Watanabe and D.H. Hartmann,
to be presented at GAMMA 2001 (Baltimore, MD April 4-6,2001)

Papers

"THE COSMIC GAMMA-RAY BACKGROUND FROM SUPERNOVAE",
K. Watanabe, D. H. Hartmann, M. D. Leising, L. -S. The, G. H. Share and R. L. Kinzer,
1997, Fourth Compton GRO Symposium Proceedings, AIP, p.1223

"THE GAMMA-RAY AND NEUTRINO BACKGROUND AND COSMIC CHEMICAL EVOLUTION",
D. H. Hartmann, K. Watanabe, M. D. Leising, L.- S. The and S. E. Woosley,
1997, Fourth Compton GRO Symposium Proceedings, AIP, p.1228

"THE EXTRAGALACTIC X-RAY BACKGROUND DUE TO COSMOLOGICAL SUPERNOVAE",
K. Watanabe, M. D. Leising, D. H. Hartmann and L. -S. The,
1997, Astronomische Nachrichten, vol. 319, no. 1, p. 67.

"CONSTRAINTS ON COSMIC CHEMICAL EVOLUTION FROM GAMMA-RAY BACKGROUND MEASUREMENT WITH SMM",
K. Watanabe, D. H. Hartmann, M. D. Leising,
1997, IAU 23rd General Assembly, Symposium 187 Cosmic Chemical Evolution (Kyoto, Japan) Proceedings, in Press.

"CONSTRAINTS ON ASSOCIATION OF SINGLE-PULSE GAMMA-RAY BURSTS AND SUPERNOVAE",
J.P. Norris, J.T. Bonnell, and K. Watanabe, ApJ 518:901, 1999 (also astro-ph/9807322)

"COSMIC CHEMICAL EVOLUTION AND THE MEV GAMMA-RAY BACKGROUND FROM SUPERNOVAE",
D. H. Hartmann, K. Watanabe, M. D. Leising and L. -S. The,
1998, Submitted to Nuclei in the Cosmos V (Volos, Greece) Proceedings edited by N. Prantzos

"STUDYING THE HIGH-ENERGY GAMMA-RAY SKY WITH GLAST",
T. Kamae, T. Ohsugi, D.J. Thompson and K. Watanabe (on behalf of the GLAST Collaboration),
Advances in Space Research Vol. 25:905,2000 (also astro-ph/9901187)

"CHASING THE ASSOCIATION OF SINGLE-PULSE GAMMA-RAY BURSTS AND SUPERNOVAE",
J.T. Bonnell, J.P. Norris and K. Watanabe, A & A Supplement Vol. 138:471, 1999

"THE DIFFUSE GAMMA-RAY BACKGROUND FROM SUPERNOVAE",
K. Watanabe, D. H. Hartmann, M. D. Leising and L. -S. The, ApJ 516:285,1999 (also astro-ph/9809197)

"ON THE CONNECTION OF SINGLE-PULSE GAMMA-RAY BURSTS AND SUPERNOVAE",
K. Watanabe, J.T. Bonnell and J.P. Norris,
1999,in the Proceedings of the Space Telescope Science Institute May Symposium "The Greatest Explosions since the Big Bang: Supernovae and Gamma-ray Bursts, pp 76

"THE MEV COSMIC GAMMA-RAY BACKGROUND MEASURED WITH SMM",
K. Watanabe, M. D. Leising, G.H Share and R.L.Kinzer,
1999,in the Proceedings of the Fifth COMPTON Symposium , pp 471

"TRACING COSMIC CHEMICAL EVOLUTION",
D. H. Hartmann, T. M. Kneiske, K. Mannheim and K. Watanabe,
in the Proceedings of the 10th Nuclear Astrophysics Conference, MPA Publication, eds. E. Mueller and W. Hillebrandt, 2000, in press

"CAN THE INTEGRAL-SPECTROMETER SPI DETECT SUPERNOVA SIGNATURES IN THE COSMIC-DIFFUSE GAMMA-RAY BACKGROUND?",
G.G. Lichti, R. Georgii, A. von Kienlin, V. Schonfelder, K. Watanabe and G. Weidenspointer ,
to appear in the Proceedings of the 4th INTEGRAL Workshop "Exploring the Gamma-ray Universe", 2000, in press

Papers in Preparation

"THE DIFFUSE COSMIC GAMMA-RAY BACKGROUND FROM GAMMA-RAY BURSTS",
K. Watanabe, D. H. Hartmann, to be submitted to ApJ

"THE DIFFUSE COSMIC GAMMA-RAY BACKGROUND WITH SMM",
K. Watanabe, M. D. Leising, G. H. Share and R. L. Kinzer, to be submitted to ApJ


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