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The VST Early-type GAlaxy Survey: Exploring the Outskirts and Intra-cluster Regions of Galaxies in the Low-surface-brightness Regime

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arxiv 2106.06448 v1 pith:BLUJVU5D submitted 2021-06-11 astro-ph.GA

Enrichetta Iodice , Marilena Spavone , Massimo Capaccioli , Pietro Schipani , Magda Arnaboldi , Michele Cantiello , Giuseppe D'Ago , Demetra De Cicco
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Duncan A. Forbes Laura Greggio Davor Krajnovic Antonio La Marca Nicola R. Napolitano Maurizio Paolillo Rossella Ragusa Maria Angela Raj Roberto Rampazzo Marina Rejkuba
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keywords surveygalaxiesvegasearly-typegalaxymagnitudesparanalacross
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The VST Early-type GAlaxy Survey (VEGAS) is a deep, multi-band (u, g, r, i) imaging survey, carried out with the 2.6-metre VLT Survey Telescope (VST) at ESO's Paranal Observatory in Chile. VEGAS combines the wide (1-square-degree) OmegaCAM imager and long integration times, together with a specially designed observing strategy. It has proven to be a gold mine for studies of features at very low surface brightness, down to levels of mu_g~27-30 magnitudes arcsec^(-2), over 5-8 magnitudes fainter than the dark sky at Paranal. In this article we highlight the main science results obtained with VEGAS observations of galaxies across different environments, from dense clusters of galaxies to unexplored poor groups and in the field.

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