Discovery of a giant HI tail in the galaxy group HCG 44

Discovery of a giant HI tail in the galaxy group HCG 44

We report the discovery of a giant HI tail in the intragroup medium of HCG 44 as part of the ATLAS3D survey. The tail is ~300 kpc long in projection and contains ~5 × 108 M ⊙of HI. We detect no diffuse stellar light at the location of the tail down to ~28.5 mag arcsec-2 in g band. We speculate that...

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Váldodahkkit: Serra, P, Koribalski, B, Duc, P, Oosterloo, T, McDermid, R, Michel-Dansac, L, Emsellem, E, Cuillandre, J, Alatalo, K, Blitz, L, Bois, M, Bournaud, F, Bureau, M, Cappellari, M, Crocker, A, Davies, R, Davis, T, de Zeeuw, P, Khochfar, S, Krajnovic, D, Kuntschner, H, Lablanche, P, Morganti, R, Naab, T, Sarzi, M
Materiálatiipa: Journal article
Giella:English
Almmustuhtton: 2013

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