Revelations in our own backyard: Chandra's unique Galactic Center discoveries

被引：22

作者：

Markoff, Sera ^{[1
]}

机构：

[1] Univ Amsterdam, Astron Inst Anton Pannekoek, Amsterdam, Netherlands

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2010年 / 107卷 / 16期

关键词：

galactic stellar population; galactic x-ray transients; low-luminosity active galactic nuclei; SAGITTARIUS-A-ASTERISK; SUPERMASSIVE BLACK-HOLE; X-RAY FLARE; LINEAR-POLARIZATION; CENTRAL PARSEC; GAMMA-RAY; ACCRETION; EMISSION; JET; GALAXY;

D O I：

10.1073/pnas.0914070107

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Before the launch of Chandra, our Galactic Center supermassive black hole, Sgr A*, had never been positively identified outside the radio bands. A great deal has changed in the past decade, starting with the discovery that our own backyard harbors a very weak, yet clearly active, galactic nucleus. I will review how this revelation has been a boon for accretion studies around black holes in general and has helped us place our own Galaxy in context within the active galactic nuclei (AGN) zoology. Chandra's exquisite resolution has also unveiled entirely new populations of faint sources and transients, as well as regions of extreme gas dynamics and hints of prior, more typical AGN-like activity in our Galactic Center.

引用

页码：7196 / 7201

页数：6

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