Optical Observations of Near Earth Objects in Support of the Warm Spitzer Space Telescope NEO Program

Details Optical Observations of Near Earth Objects in Support of the Warm Spitzer Space Telescope NEO Program Optical Observations of Near Earth Objects in Support of the Warm Spitzer Space Telescope NEO Program

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....41.3406b&link_type=abstract

American Astronomical Society, DPS meeting #41, #34.06

Astronomy and Astrophysics

Astronomy

Scientific paper

As part of the ExploreNEOs Warm Spitzer project, a 14-in telescope located in Almagordo, NM has been robotized and is being used to carry out optical observations of Near Earth Objects in multiple filters. From the V-filter images, the H-magnitude can be found, which is non-trivial as the reported H-magnitudes from NEO discovery programs have very large (0.5 mag) error bars. This improved H-magnitude also constrains the albedo in the models the team is using. The V-R color of the NEO is also found and is used to coarsely assign a spectral type to the object. Finally, this telescope is also being used to collect light curves on these objects to find rotation rates and contribute to shape modeling. The Pomona College 1-m telescope at Table Mountain is also participating in this observing effort and is collecting similar data as the telescope in New Mexico on fainter targets. This research is funded by NASA as part of the Spitzer Warm Mission.

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