arxiv: astro-ph/0509350 · v1 · submitted 2005-09-13 · 🌌 astro-ph

The very late-stage merger IC 4200:pre-elliptical or pre-spiral?

P. Serra (1) , S. C. Trager (1) , J. M. van der Hulst (1) , T. A. Oosterloo (1 , 2) , R. Morganti (1 , J. H. van Gorkom (1 , 3) ((1) Kapteyn Astronomical Institute

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(2) ASTRON (3) Columbia University)

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keywords observationsgalaxiescaseclasscombiningearly-typeformationgalaxy

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Recent observations have revealed a class of unusually HI-rich early-type galaxies. By combining observations of their morphology, stellar populations and neutral hydrogen we aim to understand how these galaxies fit into the hierarchical formation paradigm. Here we present the result of our radio and optical observations of a test case galaxy, the E/S0 IC 4200.

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The very late-stage merger IC 4200:pre-elliptical or pre-spiral?

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