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Cold and hot gas in the most HI deficient compact groups

Yun, Min S.; Verdes-Montenegro, Lourdes; Borthakur, Sanchayeeta +2 more

Dense groups of galaxies should be prime sites for galaxy interactions and mergers, and their evolution has been the subject of controversy for 25 years. In order to explain the HI deficiency found in compact groups of galaxies we previously proposed an evolutionary scenario in which the amount of HI decreases with the secular evolutionary state o…