Hybrid atmospheres and winds in supergiant stars

Details Hybrid atmospheres and winds in supergiant stars Hybrid atmospheres and winds in supergiant stars

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...236l.143h&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 236, Mar. 15, 1980, p. L143-L147.

Astronomy and Astrophysics

Astrophysics

115

Stellar Atmospheres, Stellar Coronas, Stellar Spectra, Stellar Winds, Supergiant Stars, Ultraviolet Spectra, Emission Spectra, Late Stars, Line Spectra, Magnesium, Stellar Radiation

Scientific paper

Ultraviolet spectra showing evidence for hybrid chromospheres and winds are found in the supergiant Alpha Aqr (G2 Ib) and Beta Aqr (G0 Ib). Characteristics of both solar-type transition regions and the cool chromospheric regions typical of later supergiants such as Lambda Vel (K5 Ib) are present. This suggests a gradual transition between activity and winds analogous to solar conditions and the cool, massive winds of luminous late-type stars.

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