IRSF/SIRIUS JHK近红外变星巡天麦哲伦云
IRSF/SIRIUS JHKs near-infrared variable star survey in the Magellanic Clouds
摘要：
利用南非萨瑟兰天文台的近红外探测仪（IRSF）对大麦哲伦云和小麦哲伦云进行了近红外变星观测。这个调查项目于2000年开始，从那时起，我们一直在监测沿着LMC棒的3平方度的总面积，以及SMC中心周围1平方度的面积，足够大到可以进行统计分析，并制作麦哲伦云中可变红巨星的完整目录。在J、H和Ks处的检出限（S/N=10）分别为17.0、16.5和15.5。在这篇文章中，我们提出了一些红外变量，没有检测到以前的光学调查的结果。我们发现，他们不落在标准的周期Ks的幅度关系米拉型变量脉动的基本模式。
英文摘要：
We carried out a NIR variable star survey toward the Large and Small Magellanic Clouds using the InfraRed Survey Facility (IRSF) at Sutherland, South African Astronomical Observatory. This survey project was initiated in Dember 2000, and since then, we kept monitoring a total area of 3 square degrees along the LMC bar and also an area of 1 square degree around the center of the SMC, sufficiently large to do statistical analysis and to make complete catalog of variable red giants in the Magellanic Clouds. The detection limits (S/N=10) of the survey are 17.0, 16.5 and 15.5 at J, H and Ks, respectively. In this article, we present some results on infrared variables that are not detected by the previous optical surveys. We show that they do not fall on the standard period-Ks magnitude relation for Mira-type variables pulsating in the fundamental mode.
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