微类星体GRS 1915+105的Chandra-ASCA-RXTE观测
天体物理学
2007-05-23 v1
摘要
Chandra AO1 30ks HETGS观测揭示了微类星体GRS 1915+105在HETG能谱范围内的吸收边和淡线发射。我们通过初步分析发现,伴随铁、硅、镁以及tentatively硫的中性K边。假设采用太阳元素丰度,列密度与Galactic值相符,约为few x ,并指向与GRS 1915+105相关的周围冷物质。中性Fe K发射,以及来自Fe XXV和Fe XXVI的离子化吸收被分辨。我们讨论仅限于Chandra结果。
引用
@article{arxiv.astro-ph/0012111,
title = {Chandra--ASCA--RXTE observations of the micro-quasar GRS 1915+105},
author = {J. C. Lee and N. S. Schulz and C. S. Reynolds and A. C. Fabian and E. G. Blackman},
journal= {arXiv preprint arXiv:astro-ph/0012111},
year = {2007}
}
备注
6 pages, 4 figures, Contributed talk at "X-ray Astronomy 2000" meeting, Palermo, Italy, Sept. 2000. Proceedings to be published in ASP Conference series, eds. R. Giaconni, L. Stella, & S. Serio, 2000