On the inner ring of HII regions in NGC 3351

Details On the inner ring of HII regions in NGC 3351 On the inner ring of HII regions in NGC 3351

Dec 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26as...50..491a&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 50, Dec. 1982, p. 491-504.

Astronomy and Astrophysics

Astrophysics

12

Astronomical Photometry, Barred Galaxies, Galactic Nuclei, H Ii Regions, Interstellar Gas, Stellar Evolution, Broadband, Color, Early Stars, Hydrogen Ions, Ring Structures, Stellar Mass

Scientific paper

The results of broad and narrow band electronographic observations of the barred spiral, hot-spot nucleus galaxy NGC 3351 are presented and discussed. The star forming activity along a ring about 650 pc in diameter has been studied more particularly. A mass of newly born stars of about 3.2 million solar masses is derived. From a comparison between the observed colors for the central area and the theoretically computed colors of a galaxy which generated a burst of star formation, it is deduced that the presently observed young stars correspond to a burst which started some 50 million yrs ago and lasted for about the same period of time.

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