Probing broad absorption line quasar outflows: X-ray insights

被引：3

作者：

Gallagher, SC

Brandt, WN

Chartas, G

Garmire, GP

Sambruna, RM

机构：

[1] MIT, Ctr Space Res, Cambridge, MA 02139 USA

[2] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA

[3] George Mason Univ, Dept Phys & Astron, Fairfax, VA 22030 USA

[4] George Mason Univ, Sch Computat Sci, Fairfax, VA 22030 USA

来源：

NEW X-RAY RESULTS, THE NEXT GENERATION OF X-RAY OBSERVATORIES AND GAMMA RAY BURST AFTERGLOW PHYSICS | 2004年 / 34卷 / 12期

基金：

美国国家航空航天局;

关键词：

quasars; absorption lines; outflows; X-ray observations;

D O I：

10.1016/j.asr.2003.02.087

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Energetic outflows appear to occur in conjunction with active mass accretion onto supermassive black holes. These outflows are most readily observed in the similar to10% of quasars with broad absorption lines, where the observer's line of sight passes through the wind. Until fairly recently, the paucity of X-ray data from these objects was notable, but now sensitive hard-band missions such as Chandra and XMM-Newton are routinely detecting broad absorption line quasars. The X-ray regime offers qualitatively new information for the understanding of these objects, and these new results must be taken into account in theoretical modeling of quasar winds. (C) 2004 Published by Elsevier Ltd. on behalf of COSPAR.

引用

页码：2594 / 2598

页数：5

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