2008A&A...477L...9S


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.21CEST15:26:09

2008A&A...477L...9S - Astronomy and Astrophysics, volume 477, L9-12 (2008/1-2)

Intra-cluster globular clusters around NGC1399 in Fornax?

SCHUBERTH Y., RICHTLER T., BASSINO L. and HILKER M.

Abstract (from CDS):

We investigate whether the globular clusters (GCs) in the recently published sample of GCs in the Fornax cluster by Bergond and coworkers are indeed intra-cluster objects. We combine their catalogue of radial velocity measurements with our CTIO MOSAIC photometry in the Washington system and analyse the relation of metal-poor and metal-rich GCs with their host galaxies. The metal-rich GCs appear to be kinematically associated with their respective host galaxies. The vast majority of the metal-poor GCs found in between the galaxies of the Fornax cluster have velocities that are consistent with their being members of the very extended NGC1399 GC system. We find that when the sample is restricted to the most accurate velocity measurements, the GC velocity dispersion profile can be described with a mass model derived for the NGC1399 GC system within 80kpc. We identify one ``vagrant'' GC whose radial velocity suggests that it is not bound to any galaxy unless its orbit has a very large apogalactic distance.

Abstract Copyright:

Journal keyword(s): galaxies: star clusters - galaxies: kinematics and dynamics - galaxies: elliptical and lenticular, cD - galaxies: clusters: individual: Fornax cluster - galaxies: individual: NGC1399

VizieR on-line data: <Data which should be available at CDS were never supplied by the authors>

Simbad objects: 10

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Number of rows : 10

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 1379 GiP 03 36 03.940 -35 26 28.23 12.17 12.04 10.91 10.60   ~ 243 1
2 NGC 1381 GiP 03 36 31.6595958424 -35 17 42.745665386 12.90 12.47 11.50 11.02   ~ 214 1
3 NGC 1387 GiP 03 36 57.0325944947 -35 30 23.691986124 12.18 11.75 10.69 10.16   ~ 222 1
4 NGC 1389 GiP 03 37 11.7424496792 -35 44 45.871664087 12.80 12.39 11.50 10.99   ~ 175 1
5 NGC 1399 BiC 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1463 1
6 ACO S 373 ClG 03 38 30 -35 27.3           ~ 1568 0
7 NGC 1404 GiP 03 38 51.917 -35 35 39.81 11.53 10.69 10.00 9.03   ~ 674 1
8 ESO 358-49 GiP 03 40 09.0 -35 37 34   13.44   12.68 13.3 ~ 85 1
9 NGC 1427 GiG 03 42 19.4447168502 -35 23 33.193682690   11.89   10.44   ~ 253 0
10 NAME Vir I ClG 12 26 32.1 +12 43 24   10.00 8.49     ~ 5908 0

    Equat.    Gal    SGal    Ecl

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2020.10.21-15:26:09

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