AGN Feedback in Groups and Clusters of Galaxies

被引：0

作者：

Raychaudhury, Somak ^{[1
]}

Giacintucci, Simona ^{[2
]}

O'Sullivan, Ewan ^{[2
]}

Vrtilek, Jan ^{[2
]}

Croston, Judith ^{[3
]}

Athreya, Ramana ^{[4
]}

David, Larry

Venturi, Tiziana ^{[5
]}

机构：

[1] Univ Birmingham, Birmingham B15 2TT, W Midlands, England

[2] Harvard Smithsonian Ctr Astrophys, Cambridge, MA USA

[3] Univ Hertfordshire, Hatfield AL10 9AB, Herts, England

[4] NCRA TIFR, Pune, Maharashtra, India

[5] INAF, Ist Radioastronomia, Bologna, Italy

来源：

LOW-FREQUENCY RADIO UNIVERSE: AN EVENT COMMEMORATING THE BIRTH CENTENARY OF DR. HOMI J. BHABHA | 2009年 / 407卷

关键词：

RADIO;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The lack of very cool gas at the cores of groups and clusters of galaxies, even where the cooling time is significantly shorter than the Hubble time, has been interpreted as evidence of sources that re-heat the intergalactic medium. Most studies of rich clusters adopt AGN feedback to be this source of heating. From ongoing GMRT projects involving clusters and groups, we demonstrate how low-frequency GMRT radio observations, together with Chandra/XMM-Newton X-ray data, present a unique insight into the nature of feedback, and of the energy transfer between the AGN and the IGM.

引用

页码：246 / +

页数：3

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