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Pré-Publication, Document De Travail Année : 2006

Intergalactic Star Formation

Résumé

Star formation in interacting systems may take place in various locations, from the dust--enshrouded core of Ultraluminous Infrared Galaxies to more unusual places such as the debris of colliding galaxies expelled into the intergalactic medium. Determining whether star-formation proceeds in the latter environment, far from the parent galaxies, in a similar way as in spiral disks has motivated the multi--wavelength study presented here. We collected VLA/HI, UV/GALEX, optical Halpha and MIR/Spitzer images of a few nearby interacting systems chosen for their prominent "intergalactic" star formation activity. Preliminary results on the spectacular collisional HI ring around NGC 5291 are presented.

Dates et versions

hal-00129611 , version 1 (08-02-2007)

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Citer

Pierre-Alain Duc, Meederic Boquien, J. Braine, Elias Brinks, Ute Lisenfeld, et al.. Intergalactic Star Formation. 2006. ⟨hal-00129611⟩

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INSU CNRS L3AB
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