A search for short time-scale I-band variability in ultracool dwarfs

被引：46

作者：

Koen, C ^{[1
]}

机构：

[1] S African Astron Observ, ZA-7935 Cape Town, South Africa

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2003年 / 346卷 / 02期

关键词：

stars : individual : 2MASS J1155395-372735; stars; low-mass; brown dwarfs; stars : variables : other;

D O I：

10.1046/j.1365-2966.2003.07099.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

76 hours of CCD photometry of 11 L dwarfs and one T dwarf is described. Three objects, including the T dwarf epsilon Indi B, showed convincing evidence for variability. A periodicity of 8 h is clearly visible in the light curve of 2MASS J1155395 - 372735.

引用

页码：473 / 482

页数：10

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