Detection of Extra-Solar Planets by GAIA Photometry

被引：0
|
作者：
Erik Høg
机构：
[1] Copenhagen University Observatory,
来源：
Astrophysics and Space Science | 2002年 / 280卷
关键词：
Group Observation; Astronomical Unit; Stellar Disk; Relative Radius; Simple Geometric Consideration;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The transit of exoplanets across a stellar disk will often occur in GAIA observations. A safe detection of the slight dimming of the star can be made many hundred times, i.e. in cases where the star is sufficiently constant in intensity, and the photometry is very precise. When combined with the simultaneous GAIA astrometry or ground-based radial velocities the scientific harvest is orbit, mass and mass density for hundreds of exoplanets. We have typically considered Jupiter-size planets at Earth-like distances from the stars.
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页码：139 / 142
页数：3
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