A very early O star in the Small Magellanic Cloud

Details A very early O star in the Small Magellanic Cloud A very early O star in the Small Magellanic Cloud

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...224l.133w&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 224, Sept. 15, 1978, p. L133-L135.

Other

36

Early Stars, Magellanic Clouds, O Stars, Stellar Luminosity, Stellar Spectra, H Beta Line, H Ii Regions, Ionizing Radiation, Recombination Coefficient, Stellar Mass Ejection, Supergiant Stars

Scientific paper

A star of spectral type O4 III (n)(f) has been discovered in the bright H II region NGC 346 of the Small Magellanic Cloud (SMC). It has the earliest spectral type known so far in the SMC, and it is shown to be a principal exciting star of NGC 346. Another, later O-type star found in NGC 346 provides a further example of the apparently general metal deficiency of Population I in the SMC. Two previously known OB supergiants near the periphery of NGC 346 may have affected its structure through mass ejection.

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