VLA-ANGST: Overview and First Results

Details VLA-ANGST: Overview and First Results VLA-ANGST: Overview and First Results

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21520203o&link_type=abstract

American Astronomical Society, AAS Meeting #215, #202.03; Bulletin of the American Astronomical Society, Vol. 42, p.293

Astronomy and Astrophysics

Astronomy

2

Scientific paper

Star formation triggering and stellar feedback are maybe the most important factors in galaxy evolution. A wealth of star formation triggering modes have been proposed and, to date, it is still unclear which of them dominate galaxies at large. In addition, galaxy evolution models are very sensitive to stellar feedback and the parameter space needs to be restricted by observations. To address these issues, we have embarked on a survey of nearby galaxies which consists of two components: The ACS Nearby Galaxy Survey Treasury is an ambitious program to map a volume filled sample of nearby galaxies out to 3.5 Mpc with the Hubble Space Telescope. Complementary, we use the Very Large Array to observe the HI distribution and kinematics within the galaxies that contain gas in the context of a Large VLA-ANGST Program. Here we like to present the current status of the VLA data and an initial analysis of some HI properties in relation to the spatially resolved star formation histories of the galaxies.

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