Star clusters in the nearby late-type galaxy NGC 1311

Paul B. Eskridge, Richard De Grijs, Peter Anders, Rogier A. Windhorst, Violet Athena Mager, Rolf A. Jansen

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Ultraviolet, optical and near-infrared images of the nearby (D 5.5 Mpc) SBm galaxy NGC 1311, obtained with the Hubble Space Telescope, reveal a small population of 13 candidate star clusters. We identify candidate star clusters based on a combination of their luminosity, extent, and spectral energy distribution. The masses of the cluster candidates range from 103 M up to 105 M, and show a strong positive trend of larger mass with increasing with cluster age. Such a trend follows from the fading and dissolution of old, low-mass clusters, and the lack of any young super-star clusters of the sort often formed in strong starbursts. The cluster age distribution is consistent with a bursting mode of cluster formation, with active episodes of age 10 Myr, 100 Myr, and Gyr. The ranges of age and mass we probe are consistent with those of the star clusters found in quiescent Local Group dwarf galaxies.

Original languageEnglish (US)
Pages (from-to)120-129
Number of pages10
JournalAstronomical Journal
Volume135
Issue number1
DOIs
StatePublished - Jan 1 2008

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star clusters
galaxies
trends
age structure
fading
dwarf galaxies
near infrared
spectral energy distribution
Hubble Space Telescope
dissolution
probe
dissolving
luminosity
probes
energy
trend

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Eskridge, P. B., De Grijs, R., Anders, P., Windhorst, R. A., Mager, V. A., & Jansen, R. A. (2008). Star clusters in the nearby late-type galaxy NGC 1311. Astronomical Journal, 135(1), 120-129. https://doi.org/10.1088/0004-6256/135/1/120
Eskridge, Paul B. ; De Grijs, Richard ; Anders, Peter ; Windhorst, Rogier A. ; Mager, Violet Athena ; Jansen, Rolf A. / Star clusters in the nearby late-type galaxy NGC 1311. In: Astronomical Journal. 2008 ; Vol. 135, No. 1. pp. 120-129.
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Eskridge, PB, De Grijs, R, Anders, P, Windhorst, RA, Mager, VA & Jansen, RA 2008, 'Star clusters in the nearby late-type galaxy NGC 1311', Astronomical Journal, vol. 135, no. 1, pp. 120-129. https://doi.org/10.1088/0004-6256/135/1/120

Star clusters in the nearby late-type galaxy NGC 1311. / Eskridge, Paul B.; De Grijs, Richard; Anders, Peter; Windhorst, Rogier A.; Mager, Violet Athena; Jansen, Rolf A.

In: Astronomical Journal, Vol. 135, No. 1, 01.01.2008, p. 120-129.

Research output: Contribution to journalArticle

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Eskridge PB, De Grijs R, Anders P, Windhorst RA, Mager VA, Jansen RA. Star clusters in the nearby late-type galaxy NGC 1311. Astronomical Journal. 2008 Jan 1;135(1):120-129. https://doi.org/10.1088/0004-6256/135/1/120