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.

引用

页码：434 / +

页数：2

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