Identification of the donor in the X-ray binary GRS 1915+105

被引：103

作者：

Greiner, J

Cuby, JG

McCaughrean, MJ

Castro-Tirado, AJ

Mennickent, RE

机构：

[1] Astrophys Inst Potsdam, D-14482 Potsdam, Germany

[2] European So Observ, Santiago 19, Chile

[3] CSIC, Inst Astrofis Andalucia, E-18080 Granada, Spain

[4] LAEFF, INTA, Madrid 208080, Spain

[5] Univ Concepcion, Concepcion, Chile

来源：

ASTRONOMY & ASTROPHYSICS | 2001年 / 373卷 / 03期

关键词：

stars : binaries; infrared : stars; stars : individual : GRS 1915+105;

D O I：

10.1051/0004-6361:20010771

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on the results of medium-resolution spectroscopy of GRS 1915+105 in the near-infrared H and K band using the 8 m VLT at ESO. We clearly identify absorption bandheads from (12)CO and (13)CO. Together with other features this results in a classification of the mass-donating star in this binary as a K-MIII star, clearly indicating that GRS 1915+105 belongs to the class of low-mass X-ray binaries (LMXB).

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页码：L37 / L40

页数：4

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