Gaseous Tidal Debris in the NGC 3783 Group?

Details Gaseous Tidal Debris in the NGC 3783 Group? Gaseous Tidal Debris in the NGC 3783 Group?

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006atnf.prop..577k&link_type=abstract

ATNF proposal C1608, Semester: October, 2006

Physics

Extragalactic, Atca

Scientific paper

We have discovered an isolated cloud of neutral hydrogen (HI) gas on the outskirts of the NGC 3783 group, as part of the Galaxy Evolution Multiwavelength Study (GEMS). The cloud has an HI mass of ~4 x 10^8 M_sun, and has a projected separation of > 200 kpc from the nearest bright galaxy and > 450 kpc projected separation from the nearest gas-rich spiral galaxy. We hypothesize that this HI cloud was formed during an interaction between a spiral galaxy, and the bright elliptical galaxy NGC~3706. We require deep HI observations to determine the origin of this HI cloud, which if it isn't formed from an interaction, might be primordial.

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