HV 11417 - A peculiar M supergiant in the small Magellanic cloud

Details HV 11417 - A peculiar M supergiant in the small Magellanic cloud HV 11417 - A peculiar M supergiant in the small Magellanic cloud

Nov 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...242l..13e&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 242, Nov. 15, 1980, p. L13-L17.

Astronomy and Astrophysics

Astrophysics

13

Late Stars, M Stars, Magellanic Clouds, Stellar Spectra, Supergiant Stars, Variable Stars, Semiregular Variable Stars, Stellar Luminosity, Stellar Spectrophotometry, Stellar Temperature

Scientific paper

The semiregular Small Magellanic Cloud variable HV 11417 is a cool, luminous star of spectral type M5e I near maximum light. Its spectroscopic and photometric properties resemble those of VX Sgr and similar peculiar galactic M supergiant-like objects. HV 11417 is the first identified extragalactic member of this exotic class of evolved objects. Evidence is presented which suggests that HV 11417 and related galactic stars may be luminous long-period variables rather than true supergiants.

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