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Deep Hubble Space Telescope observations of blue star clusters in NGC 3597

Carlson, Matthew N. and Holtzman, Jon A. and Grillmair, Carl J. and Mould, Jeremy R. and Griffiths, Richard E. and Ballester, Gilda E. and Burrows, Christopher J. and Clarke, John T. and Crisp, David and Evans, Robin W. and Gallagher, John S., III and Hester, J. Jeff and Hoessel, John G. and Scowen, Paul A. and Stapelfeldt, Karl R. and Trauger, John T. and Watson, Alan M. and Westphal, James A. (1999) Deep Hubble Space Telescope observations of blue star clusters in NGC 3597. Astronomical Journal, 117 (4). pp. 1700-1707. ISSN 0004-6256. doi:10.1086/300819.

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We have analyzed HST/WFPC2 images of NGC 3597 and find ~700 compact objects surrounding the galaxy with an average (B-R)_0~0.6. We propose that the majority of these objects are young globular clusters. They have a spread in colors that is consistent with that expected for a population of young clusters with a common age and spread induced by photometric errors and reddening within NGC 3597. If these objects were similar to the Galactic globular cluster system seen at a younger age, we would predict a turnover in the luminosity function at B~23. However, we find that the luminosity function for the clusters is increasing to the limits of our photometry (B~27).

Item Type:Article
Related URLs:
URLURL TypeDescription
Grillmair, Carl J.0000-0003-4072-169X
Mould, Jeremy R.0000-0003-3820-1740
Crisp, David0000-0002-4573-9998
Gallagher, John S., III0000-0001-8608-0408
Stapelfeldt, Karl R.0000-0002-2805-7338
Additional Information:© 1999 American Astronomical Society. Received 1998 December 1; accepted 1999 January 12. This work was supported in part by NASA under contract NAS 7-918 to J. P. L. and a grant to M. C. from the New Mexico Space Grant Consortium.
Group:Infrared Processing and Analysis Center (IPAC)
Funding AgencyGrant Number
New Mexico Space Grant ConsortiumUNSPECIFIED
Subject Keywords:galaxies : star clusters
Issue or Number:4
Record Number:CaltechAUTHORS:20150123-132606400
Persistent URL:
Official Citation:Deep Hubble Space Telescope Observations of Blue Star Clusters in NGC 3597 Matthew N. Carlson et al. 1999 The Astronomical Journal 117 1700
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:54027
Deposited By: Ruth Sustaita
Deposited On:23 Jan 2015 22:24
Last Modified:10 Nov 2021 20:26

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