The NGC 346 massive star census: Nitrogen abundances for apparently single, narrow lined, hydrogen core burning B-type stars

Analyses of large spectroscopic surveys of early-type stars in the LMC have found an excess of nitrogen enriched B-type targets with a vsini<40 km/s compared with the predictions of single star evolutionary models incorporating rotational mixing. By contrast the number of such targets with 40

Keywords:

• Nitrogen
• Magnetic field
• Hydrogen
• Astrophysics
• Physics
• single star
• Small Magellanic Cloud
• total population
• Astronomy
• Stars

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