OBSERVATIONS OF BINARY STARS WITH THE DIFFERENTIAL SPECKLE SURVEY INSTRUMENT. IV. OBSERVATIONS OF KEPLER, CoRoT, AND HIPPARCOS STARS FROM THE GEMINI NORTH TELESCOPE

被引：82
|
作者：
Horch, Elliott P. [1 ]
Howell, Steve B. [2 ]
Everett, Mark E. [3 ]
Ciardi, David R. [4 ]
机构：
[1] So Connecticut State Univ, Dept Phys, New Haven, CT 06515 USA
[2] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA
[3] Natl Opt Astron Observ, Tucson, AZ 85719 USA
[4] CALTECH, Exoplanet Sci Inst, NASA, Pasadena, CA 91125 USA
来源：
ASTRONOMICAL JOURNAL | 2012年 / 144卷 / 06期
基金：
美国国家科学基金会;
关键词：
astrometry; binaries: visual; techniques: high angular resolution; techniques: interferometric; techniques: photometric; PROPER-MOTION STARS; CD-ROM; ORBITS; CATALOG;
D O I：
10.1088/0004-6256/144/6/165
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present the results of 71 speckle observations of binary and unresolved stars, most of which were observed with the DSSI speckle camera at the Gemini North Telescope in 2012 July. The main purpose of the run was to obtain diffraction-limited images of high-priority targets for the Kepler and CoRoT missions, but in addition, we observed a number of close binary stars where the resolution limit of Gemini was used to better determine orbital parameters and/or confirm results obtained at or below the diffraction limit of smaller telescopes. Five new binaries and one triple system were discovered, and first orbits are calculated for other two systems. Several systems are discussed in detail.
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页数：10
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