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Densitometry of Active Star Forming Galaxies

Published online by Cambridge University Press:  21 March 2013

C. Henkel ,
J. G. Mangum ,
J. Darling  and
K. M. Menten
C. Henkel
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany Astron. Dept., King Abdulaziz University, P.O. Box 80203, Jeddah, Saudi Arabia email: [email protected]
J. G. Mangum
Affiliation:
National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903, USA email: [email protected]
J. Darling
Affiliation:
Center for Astrophysics and Space Astronomy, Department of Astrophysical and Planetary Sciences, Box 389, University of Colorado, Boulder, CO 80309–0389, USA email: [email protected]
K. M. Menten
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany email: [email protected]
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Abstract

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Attempting to distangle density and kinetic temperature of the star forming molecular gas in the central regions of galaxies, we have embarked on a project involving sensitive measurements of a variety of formaldehyde (H2CO) and ammonia (NH3) transitions. Preliminary results, based on observations from the Green Bank Telescope (GBT) and the Very Large Array (VLA) are summarized and an outline for the entire project is given.

Keywords

ISM: molecules — galaxies: nuclei — galaxies: starburst — radio lines: galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S292: Molecular Gas, Dust, and Star Formation in Galaxies , August 2012 , pp. 239 - 242
Copyright
Copyright © International Astronomical Union 2013

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