GALEX ultraviolet observations of globular clusters in nearby galaxies

Soo Chang Rey, Sangmo T. Sohn, R. Michael Rich, Suk Jin Yoon, Chul Chung, Sukyoung K. Yi, Young Wook Lee

Research output: Contribution to journalArticle

Abstract

The hot He-burning horizontal-branch (HB) stars and their progeny are most likely dominant ultraviolet (UV) sources in the old stellar population systems such as globular clusters (GCs). Integrated FUV flux can be an age indicator of GCs and allow us to investigate age distributions of GCs within a given galaxy or between galaxies. The unprecedented set of UV photometry for M31 by Galaxy Evolution Explorer (GALEX), coupled with most recent detailed population models enable to study detailed global UV properties of M31 GCs.

Original languageEnglish
Number of pages1
JournalProceedings of the International Astronomical Union
Volume2
Issue numberS235
DOIs
Publication statusPublished - 2006 Aug 1

Fingerprint

Galaxies
globular clusters
age structure
galaxies
Photometry
ultraviolet photometry
horizontal branch stars
progeny
Stars
Fluxes
indicator

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Astronomy and Astrophysics
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health
  • Space and Planetary Science

Cite this

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title = "GALEX ultraviolet observations of globular clusters in nearby galaxies",
abstract = "The hot He-burning horizontal-branch (HB) stars and their progeny are most likely dominant ultraviolet (UV) sources in the old stellar population systems such as globular clusters (GCs). Integrated FUV flux can be an age indicator of GCs and allow us to investigate age distributions of GCs within a given galaxy or between galaxies. The unprecedented set of UV photometry for M31 by Galaxy Evolution Explorer (GALEX), coupled with most recent detailed population models enable to study detailed global UV properties of M31 GCs.",
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GALEX ultraviolet observations of globular clusters in nearby galaxies. / Rey, Soo Chang; Sohn, Sangmo T.; Rich, R. Michael; Yoon, Suk Jin; Chung, Chul; Yi, Sukyoung K.; Lee, Young Wook.

In: Proceedings of the International Astronomical Union, Vol. 2, No. S235, 01.08.2006.

Research output: Contribution to journalArticle

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T1 - GALEX ultraviolet observations of globular clusters in nearby galaxies

AU - Rey, Soo Chang

AU - Sohn, Sangmo T.

AU - Rich, R. Michael

AU - Yoon, Suk Jin

AU - Chung, Chul

AU - Yi, Sukyoung K.

AU - Lee, Young Wook

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