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Preliminary Astrometric Results from Kepler

Year: 2010
Type: preprint
Abstract: Although not designed as an astrometric instrument, Kepler is expected to produce astrometric results of a quality appropriate to support many of the astrophysical investigations enabled by its photometric results. On the basis of data collected during the first few months of operation, the astrometric precision for a single 30 minute measure appears to be better than 4 milliarcseconds (0.001 pixel). Solutions for stellar parallax and proper motions await more observations, but the analysis of the astrometric residuals from a local solution in the vicinity of a star have already proved to be an important tool in the process of confirming the hypothesis of a planetary transit.
DOI: 10.48550/arxiv.1001.0305
Authors: Monet, David G., Jenkins, Jon M., Dunham, Edward W., Bryson, Stephen T., Gilliland, Ronald L., Latham, David W., Borucki, William J., Koch, David G.
Institutions: United States Naval Observatory, U.S. Naval Observatory Flagstaff Station, Search for Extraterrestrial Intelligence, Lowell Observatory, Ames Research Center, Space Telescope Science Institute, Center for Astrophysics Harvard & Smithsonian
Language: English
Open Access status: green
OpenAlex ID: W1639220796
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Cited by: 8
Related to: 18