The stellar content of NGC 346 - A plethora of O stars in the SMC

The stellar content of NGC 346, the largest and brightest H II region in the SMC, was investigated using the results of CCD UBV photometry and spectroscopy. Spectra of 42 blue stars were classified, showing that 33 are of the O type, of which 11 are of type O6.5 or earlier, which is as many early-ty...

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Veröffentlicht in:	The Astronomical journal 1989-10, Vol.98, p.1305-1334
Hauptverfasser:	Massey, Philip, Parker, Joel W., Garmany, Catharine D.
Format:	Artikel
Sprache:	eng
Schlagworte:	640105 - Astrophysics & Cosmology- Galaxies BINARY STARS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS CLASSIFICATION COSMIC RADIO SOURCES DOCUMENT TYPES GALACTIC EVOLUTION GALAXIES H2 REGIONS INTERSTELLAR SPACE MAGELLANIC CLOUDS MAIN SEQUENCE STARS MASS MORPHOLOGY NEBULAE SPACE SPECTROPHOTOMETRY STAR EVOLUTION STARS WOLF-RAYET STARS
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