AAS 205th Meeting, 9-13 January 2005
Session 141 Our Friendly Neighbors: M31 and M33
Poster, Thursday, January 13, 2005, 9:20am-4:00pm, Exhibit Hall

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[141.05] A complete census of massive star formation in M31 and M33: The relation between star formation and ISM properties

D. A, Thilker, L. Bianchi (JHU), R. Braun (ASTRON), K. Gordon, G. Rieke, O. Krause, C. Engelbracht, D. Hines, J. Hinz, K. Misselt, P. Perez-Gonzalez, K. Su, E. Young (U. of Arizona), W. Latter, D. Levine, S. Stolovy, A. Noriega-Crespo (SSC), M. Werner (JPL), J. Mould (NOAO), P. Barmby, S. Willner (CfA), GALEX Science Team

We utilize GALEX FUV and NUV observations (Thilker et al. 2004), WSRT and VLA HI mosaics, published CO data, plus Spitzer (MIPS) and ISO imagery of M31 and M33 to measure the spatial distribution of extinction-corrected star formation rate (SFR) and gas surface density. The powerful combination of UV and IR datasets allows us to firmly constrain the SFR over a comprehensive range of galactic environments, from relatively unobscured locales to highly extincted clusters embedded in the spiral arms. With this complete census of massive star forming regions, we re-examine the relationship between the multi-phase ISM and recent star formation activity, focusing on the Schmidt Law and well-known star formation thresholds. This project is complementary to the companion poster of Gordon et al. which compares IR, H-alpha, and UV SFR tracers in M31.

If you would like more information about this abstract, please follow the link to http://dolomiti.pha.jhu.edu/dthilker. This link was provided by the author. When you follow it, you will leave the Web site for this meeting; to return, you should use the Back comand on your browser.

The author(s) of this abstract have provided an email address for comments about the abstract: dthilker@pha.jhu.edu

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© 2004. The American Astronomical Society.