David D.Snyder Hale Mount Wilson Observatory Mount Wilson, CA 91023

Research Interests:

Infrared Interferometry
Near-Infrared Imaging
Mount Wilson Observatory

On-Line Preprints:

• The Berkeley Infrared Spatial Interferometer: A Heterodyne Stellar Interferometer for the Mid-Infrared
  Hale, D.D.S., Bester, M., Danchi, W.C., Fitelson, W., Hoss, S., Lipman, E.A., Monnier, J.D., Tuthill, P.G., Townes, C.H. Astrophysical Journal, July 10, 2000.
  
• Interferometric Observations of IRC +10011 and IRC +10420 in the Mid-Infrared
  Lipman, E.A., Hale, D.D.S., Monnier, J.D., Tuthill, P.G., Danchi, W.C., Townes, C.H. Astrophysical Journal, March 20, 2000.
  
• Multiple Dust Shells and Motions around IK Tauri as seen by Infrared Interferometry
  Hale, David D.S., Bester, M., Danchi, W.C., Hoss, S., Lipman, E., Monnier, J.D., Tuthill, P.G., Townes, C.H., Johnson, M., Lopez, B., Geballe, T.R., Astrophysical Journal, November 20, 1997.
  
• Nonspherical Structures and Temporal Variations in the Dust Shell of Omicron Ceti Observed with a Long Baseline Interferometer at 11 Microns
  Lopez, B., Danchi, W.C., Bester, M., Hale, D.D.S., Lipman, E.A., Monnier, J.D., Tuthill, P.G., Townes, C.H., Degiacomi, C.G., Geballe, T.R., Greenhill, L.J., Cruzalebes, P., Lefevre, J., Mekarnia, D., Mattei, J.A., Nishimoto, D., Kervin, P.W., Astrophysical Journal, October 20, 1997.
  
• Measurement at 11 Micron Wavelengths of the Diameters of Alpha Orionis and Alpha Scorpii, and Changes in Effective Temperature of Alpha Orionis and Very Recent Dust Emission
  Bester, M., Danchi, W.C., Hale, D., Townes, C.H., Degiacomi, C.G., Mekarnia, D., Geballe, T.R., Astrophysical Journal, May 20, 1996.
  

Other Sites of Interest:

Science	Predictions of Satellite Passes	Astronomy & Astrophysics on the Web
	NASA Home Page	NASA Space Shuttle Launch Information
	Space Calendar
Computers	The Ultimate Macintosh	All the Software you Really Need
	Numerical Recipes in C	Internet Phone
	SFW Conversion Software	Stripline Directional Coupler Software
	Real Help for Unix System Administrators	LinuxPPC 2000
Other	The Bagpipe Web	Why do you need PGP?
	U.S. Patent Search	The American Radio Relay League
	Callsign Lookup	My Curriculum Vitae (PDF)

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