The star formation histories of fossil group galaxies
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🌌 astro-ph.CO
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historiesformationfossilfossilsgalaxiesstaralthoughcarried
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A comparison is carried out among the star formation histories of early-type galaxies (ETG) in fossil groups, clusters and low density environments. Although they show similar evolutionary histories, a significant fraction of the fossils are younger than their counterparts, suggesting that fossils can be precursors of the isolated ETGs.
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