STRESS - STEREO TRansiting Exoplanet and Stellar Survey

Details STRESS - STEREO TRansiting Exoplanet and Stellar Survey STRESS - STEREO TRansiting Exoplanet and Stellar Survey

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..264..434s&link_type=abstract

Solar and Stellar Variability: Impact on Earth and Planets, Proceedings of the International Astronomical Union, IAU Symposium,

Astronomy and Astrophysics

Astronomy

Methods: Data Analysis, Techniques: Image Processing, Stars: Variables, Survey, Etc.

Scientific paper

The Heliospheric Imager (HI) instruments on board the two STEREO (Solar TErrestrial RElations Observatory) spacecraft provides an excellent opportunity for space based stellar photometry. The HI instruments provide a wide area coverage (20° × 20° for the two HI-1 instruments and 70° × 70° for the two HI-2 instruments) and long continuous periods of observations (20 days and 70 days respectively). Using HI-1A which has a pass band of 6500Å to 7500Å and a cadence of 40 minutes, we have gathered photometric information for more than a million stars brighter than 12th magnitude for a period of two years. Here we present some early results from this study on a range of variable stars and the future prospects for the data.

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