ROSAT HRI OBSERVATIONS OF IRAS P09104+4109 - A MASSIVE COOLING FLOW

被引：42

作者：

FABIAN, AC

CRAWFORD, CS

机构：

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1995年 / 274卷 / 04期

关键词：

GALAXIES; CLUSTERS; GENERAL; COOLING FLOWS; INDIVIDUAL; IRAS; P09104 + 4109; X-RAYS;

D O I：

10.1093/mnras/274.1.L63

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A ROSAT HRI image of the hyperluminous infrared galaxy IRAS P09104 + 4109 shows extended X-ray emission peaked around the central galaxy in a profile characteristic of a cooling flow. The inferred soft X-ray luminosity is comparable to that detected with ASCA. The ASCA spectrum is well fitted by a cooling-flow spectrum, indicating a mass cooling rate of about 1000 M. yr(-1). The cooling flow dominates the total luminosity of the surrounding cluster. Any contribution from a hidden AGN in the host galaxy to either the total ASCA spectrum or the HRI image is small.

引用

页码：L63 / L66

页数：4

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