2010MNRAS.406.1049C

Query : 2010MNRAS.406.1049C

2010MNRAS.406.1049C - Mon. Not. R. Astron. Soc., 406, 1049-1054 (2010/August-1)

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

CSEH D., KAARET P., CORBEL S., KORDING E., CORIAT M., TZIOUMIS A. and LANZONI B.

Abstract (from CDS):

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 27µJy) 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 ∼1500M 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 based on surface density profile analysis.

Abstract Copyright: © 2010 The Authors. Journal compilation © 2010 RAS

Journal keyword(s): accretion, accretion disks - black hole physics - globular clusters: general - globular clusters: individual: NGC 6388 - radio continuum: general

Nomenclature: Table 1: [CKC2010] NN (Nos 1-18).

Simbad objects: 23

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Number of rows : 23
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 NAME Mayall II GlC 00 32 46.5323801712 +39 34 40.504803060   14.564 13.807 13.208 12.684 ~ 400 1
3 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
4 [CKC2010] 5 X 07 36 17.518 -44 43 57.17           ~ 1 0
5 CXOGlb J173616.6-444423 CV* 17 36 16.625 -44 44 23.43           ~ 3 0
6 [CKC2010] 16 X 17 36 16.872 -44 44 12.85           ~ 2 0
7 CXOGlb J173616.9-444409 LXB 17 36 16.941 -44 44 09.90           ~ 5 0
8 [CKC2010] 8 X 17 36 17.010 -44 44 03.06           ~ 3 0
9 [CKC2010] 18 X 17 36 17.051 -44 44 12.44           ~ 1 0
10 [CKC2010] 10 X 17 36 17.119 -44 44 12.83           ~ 1 0
11 CXOGlb J173617.1-444401 CV* 17 36 17.161 -44 44 01.92           ~ 3 0
12 CXOGlb J173617.1-444407 CV* 17 36 17.188 -44 44 07.61           ~ 6 0
13 CXOGlb J173617.2-444410 CV* 17 36 17.243 -44 44 10.38           ~ 3 0
14 [CKC2010] 7 X 17 36 17.312 -44 44 07.10           ~ 4 0
15 [CKC2010] 17 X 17 36 17.325 -44 43 57.21           ~ 2 0
16 CXOGlb J173617.3-444408 LXB 17 36 17.332 -44 44 08.36           ~ 7 0
17 [CKC2010] 13 X 17 36 17.346 -44 43 53.73           ~ 2 0
18 [CKC2010] 15 X 17 36 17.401 -44 44 03.19           ~ 2 0
19 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 988 1
20 CXOGlb J173617.6-444416 LXB 17 36 17.683 -44 44 16.78           ~ 5 0
21 [CKC2010] 14 X 17 36 18.053 -44 44 04.30           ~ 3 0
22 CXOGlb J173618.1-444359 LXB 17 36 18.184 -44 43 59.53           ~ 5 0
23 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1332 2

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