Chief of the Laboratory for Observational Cosmology, NASA's Goddard Space Flight Center, April 2006 to present.
Astrophysicist, NASA's Goddard Space Flight Center, March 1999 to April 2006.
Program Scientist, NASA Headquarters, April 2004 to October 2004.
Assistant Scientist, A.U.R.A., Hubble Space Telescope STIS Project, NASA's Goddard Space Flight Center, September 1996 to February 1999.
NSF-NATO Postdoctoral Fellow/Senior Research Assistant, Department of Physics, University of Durham, October 1992 to August 1996.
Research
Galaxy Evolution
Dark Energy
Projects
James Webb Space Telescope
Observational Cosmology Laboratory
Education
Ph.D., Astronomy, University of Hawaii, 1992
M.S., Astronomy, University of Hawaii, 1988
A.B., Astronomy and Astrophysics, magna cum laude, Harvard University, 1986
Publications
Gardner, J. P., et al. 2006, Space Science Reviews, 123, 4, 485, "The James Webb Space Telescope."
Giavalisco, M. et al. 2004, ApJ, 600, L93. "The Great Observatories Origins
Deep Survey: Initial Results from Optical and Near-Infrared Imaging."
de Mello, D. F., Gardner, J. P., Dahlen, T., Conselice, C. J., Grogin, N., &
Koekemoer, 2004, ApJ, 600, L151. "The Nature of Near-UV Selected Objects in the
Chandra Deep Field South."
Gardner, J. P., Brown, T. M., & Ferguson, H. C. 2000, ApJ, 542, L79,
"Ultraviolet Galaxy Counts from STIS Observations of the Hubble Deep Fields."
Gardner, J. P. & Satyapal, S. 2000, AJ, 119, 2589, "Counts and Sizes of
Galaxies in the Hubble Deep Field South: Implications for the Next Generation
Space Telescope."
Gardner, J. P. et al. 2000, AJ, 119, 486, "The Hubble Deep Field South: STIS
Imaging."
Gardner, J. P. 1998, PASP, 110, 291. "An Extendable Galaxy Number Count
Model."
Gardner, J. P., Sharples, R. M., Frenk, C. S., & Carrasco, B. E. 1997, ApJ,
480, L99. "A Wide-Field K-band Survey. The Luminosity Function of Galaxies."
Gardner, J. P. 1995, ApJ, 452, 538. "A Near-Infrared Faint Galaxy Survey."
Cowie, L. L., Gardner, J. P., Hu, E. M., Songaila, A., Hodapp, K.-W., &
Wainscoat, R. J. 1994, ApJ, 434, 114. "The Hawaii K-Band Galaxy Survey. I: Deep
K Band Imaging."
Gardner, J. P., Cowie, L. L., & Wainscoat, R. J. 1993, ApJ, 415, L9. "Galaxy
Number Counts From K=10 to K=23."
Lilly, S. J., Cowie, L. L., & Gardner, J. P. 1991, ApJ, 369, 79. "A Deep
Imaging and Spectroscopic Survey of Faint Galaxies."
