Star and Cluster Formation in the Large Magellanic Cloud | Zendy

Sidney van den Bergh | Zendy

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Star and Cluster Formation in the Large Magellanic Cloud

Author(s) -

Sidney van den Bergh

Publication year - 1998

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/311681

Subject(s) - astrophysics , large magellanic cloud , star formation , physics , cluster (spacecraft) , stars , star cluster , dwarf galaxy , galaxy , astronomy , small magellanic cloud , computer science , programming language

A great burst of cluster formation increased the rate at which open clusterswere formed in the Large Magellanic Cloud 3-5 Gyr ago by at least an order ofmagnitude. On the other hand the rate of star formation ~ 4 Gyr appears to haveincreased by a factor of only 2-4. This shows that the rate of clusterformation is not a good tracer of the rate at which stars are formed.Normalized to the same rate of star formation, the Large Cloud is presentlyforming / 600 times more star clusters than the Local Group dwarf irregular IC1613. The high rate of cluster formation in merging gas-rich galaxies suggeststhat strong shocks might favor the formation of clusters.Comment: To be published in ApJ Letters 1998 November

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