A Subaru/Suprime-Cam Wide-Field Survey of Globular Cluster Populations around M87

Naoyuki Tamura,Masato Onodera,Kouji Ohta,Nobuo Arimoto,Yoshihiko Yamada,Ray M Sharples

doi:10.1007/978-3-540-76961-3_65

A Subaru/Suprime-Cam Wide-Field Survey of Globular Cluster Populations around M87

Naoyuki Tamura, Masato Onodera + Show 4 more

https://doi.org/10.1007/978-3-540-76961-3_65

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Publication Date: Jan 1, 2009

Affiliation: Kyoto University, National Astronomical Observatory of Japan, Durham University

#Globular Cluster #Intergalactic Globular Cluster + Show 8 more

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Abstract

AbstractWe report a wide-field imaging survey of the globular cluster (GC) populations around M87 with Suprime-Cam on the 8.2 m Subaru telescope. By investigating the GC colour distributions and surface number densities as a function of distance from the host galaxy, we argue that the contribution of GCs associated with the Virgo cluster (i.e. intergalactic GCs) is insignificant around M87; most of the blue GCs around luminous ellipticals as well as the red GCs are presumably associated with the host galaxy.

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