Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/2920
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dc.contributor.authorRavindranath, S-
dc.contributor.authorPrabhu, T. P-
dc.date.accessioned2008-07-29T04:44:51Z-
dc.date.available2008-07-29T04:44:51Z-
dc.date.issued2001-03-
dc.identifier.citationAstrophysics and Space Science, Vol. 276, No. 2-4, pp. 593 - 599en
dc.identifier.issn0004-640X-
dc.identifier.urihttp://hdl.handle.net/2248/2920-
dc.descriptionRestricted Accessen
dc.description.abstractBased on optical-NIR spectra, we discuss the nebular properties and stellar populations of starburst nuclei. Starbursts are found to have higher electron densities and higher excitations than HII nuclei. The emission lines have been used to estimate the nebular oxygen abundances, ionization parameter and radiation softness parameter. From a study of the H_α emission-line equivalent widths and the CaII triplet absorption line equivalent widths, we infer the ages and stellar content of the starburst regions. Most of the nuclei show evidence for a composite population - a young, ionizing population co-existing with evolved, non-ionizing stars of about 5-7 Myr, which are evolving towards the peak of RSG distribution.en
dc.format.extent74658 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherSpringeren
dc.relation.urihttp://www.springerlink.com/content/w0465gj626226n4g/en
dc.subjectOptical-NIR Spectraen
dc.subjectNebular Propertiesen
dc.subjectStellar Populationsen
dc.subjectStarburst Nucleien
dc.subjectHII Nucleien
dc.subjectStarburst Galaxiesen
dc.titleA Study of the Emission-Line Spectra and the Stellar Populations of Starburst Galaxiesen
dc.typeArticleen
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