IUE UV spectra of giant extragalactic H II regions

Details IUE UV spectra of giant extragalactic H II regions IUE UV spectra of giant extragalactic H II regions

May 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....85l..21r&link_type=abstract

Astronomy and Astrophysics, vol. 85, no. 3, May 1980, p. L21-L24.

Astronomy and Astrophysics

Astronomy

30

Astronomical Spectroscopy, H Ii Regions, Iue, Nebulae, Ultraviolet Astronomy, Cosmic Dust, Early Stars, Spaceborne Astronomy, Star Clusters

Scientific paper

The UV spectra (wavelengths between 1200 and 3200 A, resolution of 6 A) of the two extragalactic H II regions NGC 604 and NGC 5471 have been observed with the IUE satellite. The spectra show a continuum energy distribution and absorption lines (often with P Cygni profiles) characteristic of luminous early type stars, with a weak nebular emission spectrum superposed. Some aspects concerning the internal dust extinction and the composition of the dense star clusters exciting the H II complexes are discussed.

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