High degree of fragmentation in the nebulae SMC - N83 and N84 and discovery of two O stars

Details High degree of fragmentation in the nebulae SMC - N83 and N84 and discovery of two O stars High degree of fragmentation in the nebulae SMC - N83 and N84 and discovery of two O stars

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...178...25t&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 178, no. 1-2, May 1987, p. 25-40.

Astronomy and Astrophysics

Astrophysics

21

Hydrogen Ions, Interstellar Matter, Magellanic Clouds, Nebulae, O Stars, Astronomical Maps, Fragmentation, Photographic Plates, Wolf-Rayet Stars

Scientific paper

The authors summarize joint stellar and nebular observations (imagery and spectroscopy) of the youngest part of the complex N83-84-85 in the Small Magellanic Cloud (SMC) and report the discovery of unevolved O stars in the youngest part of the complex, N83 and N84. They discuss separately the individual nebulae ("fragments") of ionized gas and the extended ones, then the results of a new BV photometry in N83, and finally the search for O and WR stars. Finally the most outstanding results are discussed: the high degree of fragmentation of the ionized gas and the method of discovery of hot stars, first suspected from nebular morphology and excitation.

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