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Globular Clusters around Galaxies in Groups

Published online by Cambridge University Press:  03 August 2017

Cristiano Da Rocha
Affiliation:
Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, Av. Miguel Stefano 4200, 04301–904, São Paulo — SP, Brazil
Claudia Mendes de Oliveira
Affiliation:
Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, Av. Miguel Stefano 4200, 04301–904, São Paulo — SP, Brazil
Michael Bolte
Affiliation:
UCO/Lick Observatory, Department of Astronomy and Astrophysics, University of California, Santa Cruz, California 95064, USA
Bodo L. Ziegler
Affiliation:
Universitätssternwarte Göttingen, Geismarlandstr. 11, 37083 Göttingen, Germany
Thomas H. Puzia
Affiliation:
Universitätssternwarte München, Scheinerstr. 1, D-81679 München, Germany

Abstract

We have obtained deep photometry of NGC 1199 (in HCG 22) and NGC 6868 (in the Telescopium group). Both galaxies are the optically brightest galaxies of their groups. Our analysis of B and R images taken with the Keck II and the VLT/ESO telescopes, detected a population of globular clusters around both galaxies, with total specific frequencies S N = 1.7 ± 0.6 for NGC 1199 and S N = 1.3 ± 0.6 for NGC 6868. The color distributions of the globular cluster systems shows bimodal peaks centered at (B - R)0 = 1.13 ± 0.10 and 1.42 ± 0.10 (NGC 1199) and (B - R)0 = 1.12 ± 0.10 and 1.42 ± 0.10 (NGC 6868).

Type
Part 2. Globular Cluster Systems of Distant Galaxies
Copyright
Copyright © Astronomical Society of the Pacific 2002 

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