Search for W-R features in a sample of 12 northern HII galaxies.

Details Search for W-R features in a sample of 12 northern HII galaxies. Search for W-R features in a sample of 12 northern HII galaxies.

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aspc...35..534r&link_type=abstract

ASPCSer Vol 35, 534. J.P. Cassinelli and B. Churchwell (eds.)

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2

Wr, Hii Galaxies

Scientific paper

We present work in progress on a sample of 12 northern HII galaxies (see Table1). We obtained optical spectra (resolution 5A) with the 2.1m telescope at San Pedro Martir, BC, Mexico. We detected a narrow (7A FWHM) feature at HeII 4686 for only 1 galaxy (Case 184) and barely detected this feature for 2 others (Case 845 & Mrk 496). We did not detect HeII 4686 for Mrk 33 nor G0833+625. Case 184 is the lowest metal abundance galaxy in our sample, as inferred from its NII6584/Half ratio, this being consistent with the occurrence of narrow nebular HeII 4686 in metal-deficient galaxies.

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