Ionizing power of massive stars in the cores of two giant HII regions: R136A and HD 97950

Citation
L. Dessart et P. Crowther, Ionizing power of massive stars in the cores of two giant HII regions: R136A and HD 97950, ASTRO SP SC, 260(1-2), 1998, pp. 177-180
Citations number
11
Categorie Soggetti
Space Sciences
Journal title
ASTROPHYSICS AND SPACE SCIENCE
ISSN journal
0004640X → ACNP
Volume
260
Issue
1-2
Year of publication
1998
Pages
177 - 180
Database
ISI
SICI code
0004-640X(1998)260:1-2<177:IPOMSI>2.0.ZU;2-T
Abstract
We evaluate the integrated ionizing fluxes in cores of giant HII regions be low the important continuum edges, considering both O and WR stars. We find that they contribute in equivalent proportions to the HI and HeI continua, but that only the hottest O stars emit in the HeII continuum.