Chronospectrophometry of Starburst Galaxies

Details Chronospectrophometry of Starburst Galaxies Chronospectrophometry of Starburst Galaxies

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...194.0608d&link_type=abstract

American Astronomical Society, 194th AAS Meeting, #06.08; Bulletin of the American Astronomical Society, Vol. 31, p.830

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Scientific paper

A new method to derive age differences between the various super star clusters observed in starburst galaxies using the two color diagram (B-H) vs (H-K) (BHK diagram) and 2-D spectroscopy is presented. This method offers a quick and easy way to differentiate very young and intermediate age stellar populations even if data on extinction are unavailable. In this case, discrimination of regions younger and older than 4 Myr is feasible. With the availability of data on extinction, the time resolution can be improved significantly. The application of the method to various starbursting systems is presented. The validity of the method is checked by comparing the equivalent width of the Hα line with the chronological map obtained with the BHK diagram.

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