William D. Pence

Astrophysics Science Division
NASA/GSFC
Code 662, X-ray Astrophysics Laboratory
Greenbelt, MD 20771

tel: 301-286-4599
fax: 301-286-1684
e-mail: William.D.Pence @ nasa.gov

Present Position

Astrophysicist
Project Scientist for the FTOOLS programming group that has developed much of the scientific data analysis software at the HEASARC.

Previous Positions

Research Scientist at the HEASARC/GSFC, USRA (12/90 - 3/93)
Head of the Data Systems Operations Branch, Space Telescope Science Institute (7/88 - 12/90)
Project Scientist for the Calibration Data Base System, Space Telescope Science Institute (4/84 - 7/88)
Staff Research Astronomer, Anglo-Australian Observatory, Sydney (9/81 - 4/84)
Research Fellow, Astronomy Centre, University of Sussex, Brighton, England (11/78 - 9/81)

Educational Background

1978 - Ph.D., Astronomy, Univ. of Texas, Austin, TX
1974 - M.A., Astronomy, Univ. of Texas, Austin, TX
1972 - B.S., Physics, Eastern Ill. Univ., Charleston, IL

Research Interests

X-Ray emission from normal galaxies
Astronomical software development, especially related to analysis of data in FITS format.

Selected Publications

Diffuse X-Ray Emission from M101, Kuntz, K. D., Snowden, S. L., Pence, W. D., Mukai, K., ApJ 588, 264 (2003)

Chandra Observation of Luminous and Ultraluminous X-Ray Binaries in M101, Mukai, K., Pence, W. D., Snowden, S. L., Kuntz, K. D., ApJ 582, 184 (2003)

Chandra X-Ray Sources in M101, Pence, W. D., Snowden, S. L., Mukai, K., Kuntz, K. D., ApJ 561, 189 (2001)

Reconsidering the Identification of M101 Hypernova Remnant Candidates, Snowden, S. L.; Mukai, K.; Pence, W.; Kuntz, K. D. AJ 121.3001 (2001)

Definition of the Flexible Image Transport System (FITS), Hanisch, R. J.; Farris, A.; Greisen, E. W.; Pence, W. D.; Schlesinger, B. M.; Teuben, P. J.; Thompson, R. W.; Warnock, A., III A&A 376, 359 (2001)

plus, more than 70 other publications listed on the ADS website.