Radio observations of NGC 6388: an upper limit on the mass of its central black hole

被引：38

作者：

Cseh, D. ^{[1
]}

Kaaret, P. ^{[2
]}

Corbel, S. ^{[1
]}

Koerding, E. ^{[1
]}

Coriat, M. ^{[1
]}

Tzioumis, A. ^{[3
]}

Lanzoni, B. ^{[4
]}

机构：

[1] Univ Paris Diderot, CEA Saclay, CEA, DSM,CNRS,UMR 7158,Lab Astrophys Interac Multieche, F-91191 Gif Sur Yvette, France

[2] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA

[3] CSIRO, Australia Telescope Natl Facil, Epping, NSW 1710, Australia

[4] Univ Bologna, Dipartimento Astron, I-40127 Bologna, Italy

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2010年 / 406卷 / 02期

关键词：

accretion; accretion disks; black hole physics; globular clusters: general; globular clusters: individual: NGC 6388; radio continuum: general; GLOBULAR-CLUSTER G1; FUNDAMENTAL PLANE; CHANDRA OBSERVATIONS; RAY CORRELATION; LOW/HARD STATE; XMM-NEWTON; ACCRETION; EMISSION; CORE; GAS;

D O I：

10.1111/j.1365-2966.2010.16726.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the results of deep radio observations with the Australia Telescope Compact Array (ATCA) of the globular cluster NGC 6388. We show that there is no radio source detected (with an rms noise level of 27 mu Jy) at the cluster centre of gravity or at the locations of any of the Chandra X-ray sources in the cluster. Based on the fundamental plane of accreting black holes which is a relationship between X-ray luminosity, radio luminosity and black hole mass, we place an upper limit of similar to 1500 M-circle dot on the mass of the putative intermediate-mass black hole located at the centre of NGC 6388. We discuss the uncertainties of this upper limit and the previously suggested black hole mass of 5700 M-circle dot based on surface density profile analysis.

引用

页码：1049 / 1054

页数：6

共 54 条

[41] XMM-Newton and Chandra observations of the globular cluster NGC 6388 [J].