新南威尔士大学太阳系外行星搜索：2004- 2007年观测场的变星目录
The University of New South Wales Extrasolar Planet Search: a catalogue of variable stars from fields observed 2004--2007
摘要：
我们提出了一个新的目录的变星汇编数据采取的新南威尔士大学太阳系外行星搜索。从2004年10月至2007年5月，25个目标领域，每个观察了1-4个月，产生约87000高精度光变曲线与1600-4400数据点。我们总共提取了850个变星光变曲线，其中659个在变星总表、新疑似变星表和全天自动巡天南变星表中都没有对应的光变曲线。这份星表包括142颗大陵型食双星、23颗天琴座β型食双星、218颗接触食双星、53颗天琴座RR型星、26颗造父变星、13颗旋转变星、153颗周期小于10 d的未分类脉动星（包括盾牌座δ星）和222颗时间尺度变化大于10 d的长周期变星。作为太阳系外行星凌日搜索计划发现的变星的一般应用，我们讨论了几个天体物理问题，这些问题可以从精心挑选的明亮变星样本中受益。其中包括：（i）寻找具有最小质量比的接触双星，这可用于检验双星合并理论;（ii）具有主序前成分的分离食双星，这是校准恒星演化模型的重要测试对象;（iii）表现出Blazhko效应的RR型天琴座脉动星，这是脉动星研究的最后一个重大谜团之一。
英文摘要：
We present a new catalogue of variable stars compiled from data taken for the University of New South Wales Extrasolar Planet Search. From 2004 October to 2007 May, 25 target fields were each observed for 1-4 months, resulting in ~87000 high precision light curves with 1600-4400 data points. We have extracted a total of 850 variable light curves, 659 of which do not have a counterpart in either the General Catalog of Variable Stars, the New Suspected Variables catalogue or the All Sky Automated Survey southern variable star catalogue. The catalogue is detailed here, and includes 142 Algol-type eclipsing binaries, 23 beta Lyrae-type eclipsing binaries, 218 contact eclipsing binaries, 53 RR Lyrae stars, 26 Cepheid stars, 13 rotationally variable active stars, 153 uncategorised pulsating stars with periods <10 d, including delta Scuti stars, and 222 long period variableswith variability on timescales of >10 d. As a general application of variable stars discovered by extrasolar planet transit search projects, we discuss several astrophysical problems which could benefit from carefully selected samples of bright variables. These include: (i) the quest for contact binaries with the smallest mass ratio, which could be used to test theories of binary mergers; (ii) detached eclipsing binaries with pre-main-sequence components, which are important test objects for calibrating stellar evolutionary models; and (iii) RR Lyrae-type pulsating stars exhibiting the Blazhko-effect, which is one of the last great mysteries of pulsating star research.
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