Rossi X-ray Timing Explorer observations of LMC X-1

被引：14

作者：

Schmidtke, PC ^{[1
]}

Ponder, AL ^{[1
]}

Cowley, AP ^{[1
]}

机构：

[1] Arizona State Univ, Dept Phys & Astron, Tempe, AZ 85287 USA

来源：

ASTRONOMICAL JOURNAL | 1999年 / 117卷 / 03期

关键词：

binaries : close; Magellanic Clouds; stars : oscillations; X-rays;

D O I：

10.1086/300793

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The luminous X-ray binary and black hole candidate LMC X-1 has been observed with the Rossi X-Ray Timing Explorer to search for quasi-periodic oscillations (QPOs) previously reported in its high state. The source was observed monthly in a series of nine observations. Analysis of the temporal variations shows no evidence for QPOs or other periodic changes, but correlations between the high-energy light curve and hardness of the spectrum are described. Spectral fits with two-component models demonstrate that the hardness variations come from changes in the intensity of the high-energy power-law tail.

引用

页码：1292 / 1296

页数：5

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