Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21831106f&link_type=abstract
American Astronomical Society, AAS Meeting #218, #311.06; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astrophysics
Scientific paper
Kepler is principally an exoplanet and stellar astrophysics experiment. Late-type dwarf stars form the bulk of the 170K sources in the target list. Although centered at low galactic latitude (13.5°), the continuously monitored field-of-view contains over 11K cataloged galaxies. During the early phase of the mission, a number of galaxies were observed, some serendipitously, and then dropped. Another set of galaxies was explicitly monitored for several observing quarters to assess their viability as "quiescent” photometric and astrometric sources. Normal galaxies are not expected to be variable on the timescales and amplitudes seen in stellar sources, and are not subject to centroid motions due to parallax, proper motion or binarity. We describe the light curves of the observed galaxies, their observed photometric and astrometric precision, and the potential for identifying variability due to active nuclei and episodic events. These data provide a first look at normal galaxies surveyed with Kepler, and complement observations of the few known active galaxies in the field.
Fanelli Michael N.
Kepler Team
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