Bimodal Infrared Colors of the M87 Globular Cluster System: Peaks in the Metallicity Distribution

2007 ◽  
Vol 660 (2) ◽  
pp. L109-L112 ◽  
Author(s):  
Arunav Kundu ◽  
Stephen E. Zepf
Keyword(s):  
Globular Cluster ◽  
Cluster System ◽  
System Peaks ◽  
Globular Cluster System ◽  
Metallicity Distribution

scholarly journals Ages and Metallicities of Globular Clusters in NGC 5128

2002 ◽  
Vol 207 ◽  
pp. 269-274 ◽  
Author(s):  
Enrico V. Held ◽  
Luciana Federici ◽  
Carla Cacciari ◽  
Vincenzo Testa
Keyword(s):  
Absorption Line ◽  
Globular Cluster ◽  
Hydrogen Absorption ◽  
Metal Content ◽  
Globular Clusters ◽  
Elliptical Galaxy ◽  
Cluster System ◽  
Globular Cluster System ◽  
Metallicity Distribution

We have obtained multislit spectroscopy of 40 known globular clusters in the nearby peculiar elliptical galaxy NGC 5128 at the ESO NTT telescope. Measurements of metal and hydrogen absorption line indices have been used to estimate the age and metal content of individual clusters. The results have been combined with previous data from multifibre spectroscopy of clusters in the halo of NGC 5128 to study the age and metallicity distribution of the globular cluster system.

scholarly journals The Globular Cluster System of NGC 1399: Optical HST Imaging and ESO (Ground-Based) Near-IR Imaging

1999 ◽  
Vol 186 ◽  
pp. 198-198
Author(s):  
Paul Goudfrooij ◽  
M. Victoria Alonso ◽  
Dante Minniti
Keyword(s):  
Globular Cluster ◽  
Globular Clusters ◽  
Cluster System ◽  
Ongoing Study ◽  
Near Ir ◽  
Ir Imaging ◽  
Globular Cluster System ◽  
Metallicity Distribution

We report on an ongoing study of the optical–near-IR colors of globular clusters (GCs) in E galaxies. The motivation is that (i) HST images give the necessary resolution to discriminate against foreground stars and background galaxies, while the photometry goes very deep; (ii) Near-IR observations reach only the brightest clusters, but provide a much larger color baseline which is very useful to e.g., identify intermediate-age clusters such as those found in the LMC and in NGC 5128 (cf. Minniti et al. 1996, ApJ, 467, 221), and to measure more accurate metallicities, particularly at the metal-rich extreme of the metallicity distribution.

The Globular Cluster System in the Inner Region of M87

1999 ◽  
Vol 513 (2) ◽  
pp. 733-751 ◽  
Author(s):  
Arunav Kundu ◽  
Bradley C. Whitmore ◽  
William B. Sparks ◽  
F. Duccio Macchetto ◽  
Stephen E. Zepf ◽  
...  
Keyword(s):  
Globular Cluster ◽  
Cluster System ◽  
Globular Cluster System ◽  
Inner Region

The Distance to the M31 Globular Cluster System

1998 ◽  
Vol 115 (5) ◽  
pp. 1916-1920 ◽  
Author(s):  
Stephen Holland
Keyword(s):  
Globular Cluster ◽  
Cluster System ◽  
Globular Cluster System

scholarly journals The Globular Cluster System of the Galaxy NGC 6876

Galaxies ◽  
2017 ◽  
Vol 5 (3) ◽  
pp. 30 ◽  
Author(s):  
Ana Ennis ◽  
Lilia Bassino ◽  
Juan Caso
Keyword(s):  
Globular Cluster ◽  
Cluster System ◽  
The Galaxy ◽  
Globular Cluster System

scholarly journals Metallicity maps of the globular cluster system in the Galaxy

1993 ◽  
Vol 402 ◽  
pp. L53 ◽  
Author(s):  
Emilio J. Alfaro ◽  
Jesus Cabrera-Cano ◽  
Antonio J. Delgado
Keyword(s):  
Globular Cluster ◽  
Cluster System ◽  
The Galaxy ◽  
Globular Cluster System

scholarly journals The SLUGGS Survey: wide field imaging of the globular cluster system of NGC 4278

2013 ◽  
Vol 436 (2) ◽  
pp. 1172-1190 ◽  
Author(s):  
Christopher Usher ◽  
Duncan A. Forbes ◽  
Lee R. Spitler ◽  
Jean P. Brodie ◽  
Aaron J. Romanowsky ◽  
...  
Keyword(s):  
Globular Cluster ◽  
Cluster System ◽  
Wide Field ◽  
Globular Cluster System ◽  
Field Imaging ◽  
Wide Field Imaging
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