2017MNRAS.464.3090A

Query : 2017MNRAS.464.3090A

2017MNRAS.464.3090A - Mon. Not. R. Astron. Soc., 464, 3090-3100 (2017/January-3)

MOCCA-SURVEY Database I: Is NGC 6535 a dark star cluster harbouring an IMBH?

ASKAR A., BIANCHINI P., DE VITA R., GIERSZ M., HYPKI A. and KAMANN S.

Abstract (from CDS):

We describe the dynamical evolution of a unique type of dark star cluster model in which the majority of the cluster mass at Hubble time is dominated by an intermediate-mass black hole (IMBH). We analysed results from about 2000 star cluster models (Survey Database I) simulated using the Monte Carlo code MOnte Carlo Cluster simulAtor and identified these dark star cluster models. Taking one of these models, we apply the method of simulating realistic 'mock observations' by utilizing the Cluster simulatiOn Comparison with ObservAtions (COCOA) and Simulating Stellar Cluster Observation (SISCO) codes to obtain the photometric and kinematic observational properties of the dark star cluster model at 12 Gyr. We find that the perplexing Galactic globular cluster NGC 6535 closely matches the observational photometric and kinematic properties of the dark star cluster model presented in this paper. Based on our analysis and currently observed properties of NGC 6535, we suggest that this globular cluster could potentially harbour an IMBH. If it exists, the presence of this IMBH can be detected robustly with proposed kinematic observations of NGC 6535.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): methods: numerical - stars: black holes - stars: kinematics and dynamics - globular clusters: general - globular clusters: individual: NGC 6535 - globular clusters: individual: NGC 6535

Simbad objects: 12

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Number of rows : 12
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 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
2 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 988 1
3 NGC 6536 G 17 57 16.3758484560 +64 56 17.201673132   14.3       ~ 23 0
4 GCl 80.1 GlC 18 01 38.80 -26 50 23.0           ~ 143 0
5 NGC 6535 GlC 18 03 50.51 -00 17 51.5     9.85     ~ 320 0
6 ESO 522-1 GlC 18 12 15.80 -22 44 31.0     14.86     ~ 114 1
7 ESO 456-78 GlC 18 14 06.600 -28 38 06.00           ~ 82 0
8 ESO 591-12 GlC 18 41 29.90 -19 49 33.0           ~ 130 0
9 NGC 6717 GlC 18 55 06.04 -22 42 05.3           ~ 273 0
10 GCl 111 GlC 19 18 02.10 +18 34 18.0           ~ 138 0
11 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1190 0
12 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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