High Resolution Imaging of Kepler Objects of Interest (KOI)

Details High Resolution Imaging of Kepler Objects of Interest (KOI) High Resolution Imaging of Kepler Objects of Interest (KOI)

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21811205d&link_type=abstract

American Astronomical Society, AAS Meeting #218, #112.05; Bulletin of the American Astronomical Society, Vol. 43, 2011

Physics

Optics

Scientific paper

The spatial resolution of the Kepler telescope is designed to be 4 arcsec ( 1 pixel) which could allow background stars to contribute to the light of a Kepler target. Thus an observed transit might be a false positive due to a background eclipsing binary. In addition, dilution of the transit signal by a background star can severely compromise the parameters derived for a planet candidate. The Kepler Follow on Program (KFOP) includes high resolution images of the KOI targets, obtained principally at the following facilities: speckle imaging in V and R with the two-color speckle camera on the 3.5m WIYN telescope; Adaptive Optics imaging in J band and Ks with the PHARO near-infrared camera on the 200-in Hale Telescope; Adaptive Optics imaging in J and Ks band with the ARIES camera on the 6.5m MMT Telescope; AO imaging in J band and Ks with IRCAL on the 3-m telescope at Lick Observatory. Results from the follow up observations will be shown as well as the implications for the derivation of planetary characteristics. High spatial resolution images are a key part of the follow-up program for high-confidence level acceptance for Earth and super Earth-size planets.

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