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Title:
Connecting Gas Dynamics and Star Formation Histories in Nearby Galaxies: The VLA-ANGST Survey
Authors:
Ott, Jürgen; Skillman, Evan; Dalcanton, Julianne; Walter, Fabian; Stilp, Adrienne; Koribalski, Bärbel; West, Andrew; Warren, Steven
Affiliation:
AA(National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903, USA; California Institute of Technology, 1200 E California Blvd, Caltech Astronomy 105-24, Pasadena, CA 91125, USA. jottatnrao.edu), AB(Department of Astronomy, University of Minnesota, 115 Church St. SE, Minneapolis, MN 55455, USA), AC(Department of Astronomy, University of Washington, Box 351580, Seattle WA 98195, USA), AD(Max-Planck-Institute for Astronomy, Königsstuhl 17, 69117 Heidelberg, Germany), AE(Department of Astronomy, University of Washington, Box 351580, Seattle WA 98195, USA), AF(Australia Telescope National Facility, CSIRO, PO Box 76, Epping, NSW 1710, Australia), AG(Department of Astronomy, University of California, 601 Campbell Hall, Berkeley, CA 94720, USA), AH(Department of Astronomy, University of Minnesota, 115 Church St. SE, Minneapolis, MN 55455, USA)
Publication:
THE EVOLUTION OF GALAXIES THROUGH THE NEUTRAL HYDROGEN WINDOW. AIP Conference Proceedings, Volume 1035, pp. 105-111 (2008). (AIPC Homepage)
Publication Date:
08/2008
Origin:
AIP
PACS Keywords:
Star formation, Stellar structure, interiors, evolution, nucleosynthesis, ages, Galaxy clusters, Interstellar medium and nebulae in external galaxies, Supernovae, Radio telescopes and instrumentation; heterodyne receivers
DOI:
10.1063/1.2973559
Bibliographic Code:
2008AIPC.1035..105O

Abstract

In recent years, HST revolutionized the field of star formation in nearby galaxies. Due to its high angular resolution it has now become possible to construct star formation histories of individual stellar populations on scales of a few arcseconds spanning a range of up to ~600 Myr. This method will be applied to the ANGST galaxies, a large HST volume limited survey to map galaxies up to distances of 3.5-4.0 Mpc (excluding the Local Group). The ANGST sample is currently followed-up by high, ~6'' resolution VLA observations of neutral, atomic hydrogen (HI) in the context of VLA-ANGST, an approved Large VLA Project. The VLA resolution is well matched to that of the spatially resolved star formation history maps. The combination of ANGST and VLA-ANGST data will provide a new, promising approach to study essential fields of galaxy evolution such as the triggering of star formation, the feedback of massive stars into the interstellar medium, and the structure and dynamics of the interstellar medium.
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