Isolated Star Formation: A Compact H II Region in the Virgo Cluster
Gerhard, Ortwin; Arnaboldi, Magda; Freeman, Kenneth; Okamura, Satoshi
We report on the discovery of an isolated compact H II region in the Virgo cluster. The object is located in the diffuse outer halo of NGC 4388 or possibly could be in intracluster space. Star formation can thus take place far outside the main star-forming regions of galaxies. This object is powered by a small starburst with an estimated mass of ∼400 M⊙ and age of ∼3 Myr, From a total sample of 17 H II region candidates, the present rate of isolated star formation estimated in our Virgo field...[Show more]
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|Source:||Astrophysical Journal, The|
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