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Determination of the OB Stellar Population of IZw18 on the Basis of its H γ and H δ Absorption lines

Published online by Cambridge University Press:  25 May 2016

A. Sinanyan ,
D. Kunth ,
J. Lequeux ,
G. Comte  and
A. Petrosian
A. Sinanyan
Affiliation:
Byurakan Astrophysical Observatory, Byurakan, Armenia
D. Kunth
Affiliation:
Institut d'Astrophysique de Paris, France
J. Lequeux
Affiliation:
Observatoire de Meudon, France
G. Comte
Affiliation:
Observatoire de Marseille, Marseille, France
A. Petrosian
Affiliation:
Byurakan Astrophysical Observatory, Byurakan, Armenia

Abstract

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On the basis of new spectroscopic observations of the blue compact dwarf galaxy IZw18 in the narrow spectral range between 4000Å and 4500Å absorption components of H γ and H δ lines were discovered. Equivalent widths of H γ and H δ lines have been measured. From available data the OB population of IZw18 was analyzed.

Information

Type
IV. AGN Related Phenomena
Information
Symposium - International Astronomical Union , Volume 194: Activity in Galaxies and Related Phenomena , 1999 , pp. 444 - 447
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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