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Five E+A (post-starburst) galaxies as Brightest Cluster Galaxies

Brightest Cluster Galaxies (BCGs) are mostly elliptical galaxies and very rarely have prominent star formation. We found that five out of 8,812 BCGs are E+A (i.e. post-starburst) galaxies, having the H$δ$~absorption line with an equivalent width $>2.5Å$ and no distinct emission lines in [O II] and H$α$. The E+A features we identified from the BCGs for the first time are not as significant as those in general galaxies, indicating that historically the star formation were not very violent.

preprint2010arXivOpen access
Feng-Shan LiuZhong-Lue WenJin-Lin HanXian-Min Meng
astro-ph.GA
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Open access4 authors1 topic
Imported metadata coverageMissing code, dataset, citation and institution fields are tracked without dominating the paper.Details
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Feng-Shan LiuZhong-Lue WenJin-Lin HanXian-Min Meng

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