The HII regions of M51 and NGC 4449. Behavior of the mean electron density

Details The HII regions of M51 and NGC 4449. Behavior of the mean electron density The HII regions of M51 and NGC 4449. Behavior of the mean electron density

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011rmxac..40..192g&link_type=abstract

XIII Latin American Regional IAU Meeting (Eds. W. J. Henney & S. Torres-Peimbert) Revista Mexicana de Astronomía y Astrofísica (

Astronomy and Astrophysics

Astronomy

Galaxies: Structure, H Ii Regions, Stars: General

Scientific paper

With ACS-HST images we produced continuum subtracted photometric maps in Hα for the galaxies M51 and NGC 4449. From the Hα luminosity (L), equivalent radius (R) and coordinates of the HII regions with respect to the galaxy centers (over 2000 regions for M51, over 200 regions for NGC 4449), we derived the mean luminosity weighted electron density, , for each region.

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