a GALEX Ultraviolet Virgo Cluster Survey







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GUViCS covers the largest possible part of the Virgo Cluster with GALEX in the UV. Each circle is a GALEX pointing. Circles with numbers correspond to pointings of the recent cycle 6 GUViCS proposal (updated on 2010, july 30th) circles without numbers correspond to archival data. The red solid line indicates the NGVS survey (Next Generation Virgo Cluster Survey). The dashed squares are covered by the HeVICS project (The Herschel Virgo Infrared Cluster Survey). Declination 0 to 18 degrees are covered by ALFALFA (The Arecibo Legacy Fast ALFA Survey).

At this deepness, we estimate that almost all cluster star forming galaxies catalogued in the VCC (Binggeli et al. 1985) down to m_B of about 19 can be seen with 1 orbit observations, and the brightest dwarf ellipticals (m_B about 16.5) can be detected.

Thanks to the last proposal, the numbers of detected Virgo star forming and quiescent members should be brought up to about 450 and 260 respectively, a number that will certainly increases once the data will be combined with those obtained by the other surveys (NGVS, HeVICS) allowing the detection of peculiar objects such as compact and very low surface brightness systems, tidal debries etc.