Star Formation in NGC5194 (M51): A Panchromatic Investigation from Spitzer to GALEX

Details Star Formation in NGC5194 (M51): A Panchromatic Investigation from Spitzer to GALEX Star Formation in NGC5194 (M51): A Panchromatic Investigation from Spitzer to GALEX

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.6003c&link_type=abstract

American Astronomical Society Meeting 205, #60.03; Bulletin of the American Astronomical Society, Vol. 36, p.1442

Astronomy and Astrophysics

Astronomy

Scientific paper

A multi--wavelength study, from the ultraviolet to the far--infrared, of the nearby galaxy M51 is presented, using a combination of space--based (Spitzer, GALEX, and Hubble Space Telescope) and ground--based images. The Spitzer data were obtained as part of the SINGS (Spitzer Infrared Nearby Galaxies Survey) project, and they include both IRAC and MIPS images. These trace the dust emission from M51, while the GALEX far-UV and near-UV images trace the relatively young stellar populations. The emission from the ionized gas is traced by a combination of ground--based Hα and HST Pα images. The images are used to investigate local and global star formation, the impact of dust extintion and the absolute calibration of UV, optical, and infrared star formation rate estimators. The combination of Spitzer and GALEX data provides an unprecendented spatial detail over a 3 orders of magnitude wavelength range. The results from this investigation will be instrumental for studies of star formation in the intermediate- and high-redshift Universe.

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