The peculiar small-scale X-ray morphology of NGC 5846 observed with Chandra

被引：40

作者：

Trinchieri, G

Goudfrooij, P

机构：

[1] Osserv Astron Brera, I-20121 Milan, Italy

[2] Space Telescope Sci Inst, Baltimore, MD 21218 USA

来源：

ASTRONOMY & ASTROPHYSICS | 2002年 / 386卷 / 02期

关键词：

galaxies : individual : NGC 5846; X-rays : galaxies;

D O I：

10.1051/0004-6361:20020311

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The excellent quality of the Chandra observation of NGC 5846 reveals a complex X-ray morphology of the central regions of this galaxy. An intriguing morphological similarity between the X-ray and the optical line emission, discovered before using ROSAT HRI images (Trinchieri et al. 1997), is confirmed here in unprecedented detail. Complex spectral characteristics are associated with the morphological peculiarities, indicating a possibly turbulent gas in this object. A population of similar to40 individual sources is also observed, with L-x in the range similar to3x10(38) -2x10(39) erg s(-1), with an X-ray luminosity function that is steeper in the high-luminosity end than in other early-type galaxies.

引用

页码：472 / 486

页数：15

共 57 条

[1] The X-ray globular cluster population in NGC 1399 [J].