STRESS STEREO TRansiting Exoplanet and Stellar Survey

被引：0
|
作者：
Sangaralingam, Vinothini [1 ]
Stevens, Ian R. [1 ]
Spreckley, Steve [1 ]
Debosscher, Jonas [2 ]
机构：
[1] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England
[2] Katholieke Univ Leuven, Inst Sterrenkunde, Leuven, Belgium
来源：
SOLAR AND STELLAR VARIABILITY: IMPACT ON EARTH AND PLANETS | 2010年 / 264期
关键词：
methods: data analysis; techniques: image processing; stars:; variables; survey; etc; HELIOSPHERIC IMAGERS; VARIABLE-STARS; CLASSIFICATION;
D O I：
10.1017/S174392130999305X
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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 degrees x 20 degrees for the two HI-1 instruments and 70 degrees x 70 degrees 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 6500 angstrom to 7500 angstrom 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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页码：434 / +
页数：2
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