Star Formation and Integrated Optical Colors from the Local Volume Legacy Survey

Details Star Formation and Integrated Optical Colors from the Local Volume Legacy Survey Star Formation and Integrated Optical Colors from the Local Volume Legacy Survey

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21714711m&link_type=abstract

American Astronomical Society, AAS Meeting #217, #147.11; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We present results of an optical imaging study of 73 galaxies from the Spitzer Local Volume Legacy (LVL) survey. The broadband and narrowband optical images were analyzed in order to determine information about global star formation rates, histories, and evolution of these nearby galaxies. The observed UBVR colors are consistent with the expected colors of star forming galaxies, with B-R colors ranging from 0.4 to 1.4. The blue, low mass galaxies appear to have a wider dispersion of current-to-past star formation rates than the more massive spiral galaxies in the sample. These results are discussed in the context of possible star formation histories for galaxies in the Local Volume.

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