Calibrating Observations made with the NASA Kepler Discovery Mission

Details Calibrating Observations made with the NASA Kepler Discovery Mission Calibrating Observations made with the NASA Kepler Discovery Mission

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009noao.prop..309h&link_type=abstract

NOAO Proposal ID #2009A-0309

Astronomy and Astrophysics

Astrophysics

Scientific paper

The NASA Kepler Discovery Mission will be launched in early 2009 and begin its search for transiting Earth-like planets. The mission aims to last 4 years during which time it will collect high precision light curves of 100,000 or more stars. Attempting to reach precisions of 1 part in 10^5 per measurement (the level needed to recognize an Earth transit across a sun-like star), proper calibration of the focal plane detectors is of prime importance. Presently, only frequently renormalized, relative light curves are planned for the Kepler program. We plan to propose to the NASA Kepler GO program to undertake a photometric calibration of the Kepler scientific data that will offer astronomers calibrated photometric data that can be used in conjunction with traditional astrophysical photometry. An essential part of this effort involves the use of DA white dwarfs that can be found within the Kepler viewing zone. We therefore seek U and g band photometric observations covering the remainder of the Kepler field to locate additional DA white dwarfs to serve as potential Kepler calibration standards. We also seek 2.m spectroscopic observations of white dwarf candidates found in our Sept. 2008 0.9m run.

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