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H Emission Line Morphologies in Markarian Starburst Galaxies

Chitre, A and Joshi, UC (2001) H Emission Line Morphologies in Markarian Starburst Galaxies. In: Journal of Astrophysics and Astronomy, 22 (2). pp. 155-172.

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Abstract

We present broad band R and narrow band H alpha emission line images of a sample of optically selected starburst galaxies from the Markarian lists. The emission line morphology is studied and global properties like luminosities, equivalent widths and star formation rates are derived. The radial distribution of Hot flux and the EW are determined using concentric aperture photometry on the emission line and the continuum images. Ha flux is generally found to peak in the nuclear region and fall off outwards. The EW is found to peak off-center in most of the cases implying that though the intensity of emission is maximum at the nucleus, the star formation activity relative to the underlying continuum often peaks away from the center in Markarian starburst galaxies.

Item Type: Journal Article
Additional Information: The copyright of this article belongs to Indian Academy of Scienes
Keywords: Galaxies;starburst;photometry
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 13 Sep 2004
Last Modified: 19 Sep 2010 04:16
URI: http://eprints.iisc.ernet.in/id/eprint/1846

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