Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20514105t&link_type=abstract
American Astronomical Society Meeting 205, #141.05; Bulletin of the American Astronomical Society, Vol. 36, p.1579
Astronomy and Astrophysics
Astronomy
Scientific paper
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.
Barmby Pauline
Bianchi Luciana
Braun Robert
Engelbracht Charles
GALEX Science Team
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