2014
DOI: 10.1088/2041-8205/797/2/l16
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Star Clusters in a Nuclear Star Forming Ring: The Disappearing String of Pearls

Abstract: An analysis of the star cluster population in a low-luminosity early type galaxy, NGC 2328, is presented. The clusters are found in a tight star-forming nuclear spiral/ring pattern and we also identify a bar from structural 2D decomposition. These massive clusters are forming very efficiently in the circum-nuclear environment, they are young, possibly all less than 30 Myr of age. The clusters indicate an azimuthal age gradient, consistent with a "pearls-on-a-string" formation scenario suggesting bar driven gas… Show more

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Cited by 15 publications
(15 citation statements)
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“…Then the young clusters move along the ring, following the gas movement, and meanwhile age, resulting in an age gradient along the ring (e.g. Falcón-Barroso et al 2014;Väisänen et al 2014).…”
Section: Star Formation In the Circumnuclear Ringmentioning
confidence: 99%
“…Then the young clusters move along the ring, following the gas movement, and meanwhile age, resulting in an age gradient along the ring (e.g. Falcón-Barroso et al 2014;Väisänen et al 2014).…”
Section: Star Formation In the Circumnuclear Ringmentioning
confidence: 99%
“…At least one of the LIRGs has its star cluster population disrupted in a mass-dependent manner. A similar case, also using the combination of HST imaging and SALT spectroscopy, is seen in a curious case of SSCs in a starburst ring in a small early type galaxy (see [2,17]). We look for such physically interesting…”
Section: Pos(ssc2015)011mentioning
confidence: 85%
“…This leaves us with option (ii) as the most likely origin of the observed peaked CMF. This initial conclusion was strengthened by the recent study of Väisänen et al (2014), who discovered similar evidence of rapid star cluster disruption in the early-type galaxy NGC 2328.…”
Section: Rapid Star Cluster Evolutionmentioning
confidence: 87%