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Stellar Clusters in the Outermost Milky Way Galaxy

Published online by Cambridge University Press:  25 May 2016

J. E. Hesser ,
P. B. Stetson ,
S. van den Bergh ,
M. Bolte ,
J. A. Johnson ,
W. E. Harris ,
D.A. VandenBerg ,
R. A. Bell ,
H. E. Bond  and
L. E. Fullton
...Show all authors
J. E. Hesser
Affiliation:
National Research Council of Canada, Herzberg Inst. of Astrophysics, Dominion Astrophysical Obs., Victoria, BC V8X 4M6, Canada
P. B. Stetson
Affiliation:
National Research Council of Canada, Herzberg Inst. of Astrophysics, Dominion Astrophysical Obs., Victoria, BC V8X 4M6, Canada
S. van den Bergh
Affiliation:
National Research Council of Canada, Herzberg Inst. of Astrophysics, Dominion Astrophysical Obs., Victoria, BC V8X 4M6, Canada
M. Bolte
Affiliation:
Lick Observatory, Santa Cruz, CA, USA
J. A. Johnson
Affiliation:
Lick Observatory, Santa Cruz, CA, USA
W. E. Harris
Affiliation:
McMaster University, Hamilton, ON, Canada
D.A. VandenBerg
Affiliation:
University of Victoria, Victoria, BC, Canada
R. A. Bell
Affiliation:
University of Maryland, College Park, MD, USA
H. E. Bond
Affiliation:
STScI, Baltimore, MD, USA
L. E. Fullton
Affiliation:
STScI, Baltimore, MD, USA
G. G. Fahlman
Affiliation:
University of British Columbia, Vancouver, BC, Canada
H. B. Richer
Affiliation:
University of British Columbia, Vancouver, BC, Canada

Abstract

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HST V, I color-magnitude diagrams (CMDs) of four outer-halo clusters, NGC 2419, Pa13, Pal4 and Eridanus, provide insight into the relative ages of old star clusters throughout the 200 kpc diameter volume sampled, and thus into the formation epoch of the Milky Way galaxy.

Type
Part 2: The Database
Information
Symposium - International Astronomical Union , Volume 192: The Stellar Content of Local Group Galaxies , 1999 , pp. 85 - 88
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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