Discovery of a low mass B(e) supergiant in the Small Magellanic Cloud

Details Discovery of a low mass B(e) supergiant in the Small Magellanic Cloud Discovery of a low mass B(e) supergiant in the Small Magellanic Cloud

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...234..233h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 234, no. 1-2, Aug. 1990, p. 233-236.

Physics

Optics

7

B Stars, Balmer Series, Magellanic Clouds, Stellar Mass, Stellar Spectrophotometry, Supergiant Stars, Cassegrain Optics, Hertzsprung-Russell Diagram

Scientific paper

A new peculiar B(e) supergiant has been discovered in the Small Magellanic Cloud. High dispersion CASPEC observations and UBVRIJHK photometry carried out at ESO were used to study the characteristics of this star. N82 shows strong P Cygni profiles of hydrogen Balmer lines and is very rich in emission lines of singly ionized iron, forbidden and permitted. This star seems to be the lowest mass B(e) supergiant ever detected in the SMC. This is interesting for the question of the lower mass limit for the B(e) supergiants in the Magellanic Clouds. N82 may be considered as the missing link between the Magellanic B(e) supergiants and the Galactic Be stars. N82 seems to have a late-type companion.

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