RXTE observations of the starburst of galaxy M82

被引：1

作者：

Gruber, DE ^{[1
]}

Rephaeli, Y ^{[1
]}

机构：

[1] Univ Calif San Diego, Ctr Astrophys & Space Sci, La Jolla, CA 92093 USA

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 1999年 / 69卷 / 1-3期

基金：

美国国家航空航天局;

关键词：

D O I：

10.1016/S0920-5632(98)00285-0

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The two nearby starburst galaxies M82 and NGC 253 were recently observed with the PCA and HEXTE experiments aboard RXTE. Here we present first results from a preliminary analysis of similar to 75% of the M82 data. A power-law, photon index 2.0 +/- 0.1, and thermal emission at kT = 7.4 +/- 0.7 keV, are both acceptable spectral fits to the data. For the first time, we find evidence for iron lines; there is no evidence for temporal variability.

引用

页码：550 / 553

页数：4

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