Circumstellar winds in globular cluster giants

Details Circumstellar winds in globular cluster giants Circumstellar winds in globular cluster giants

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...248l..31p&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 248, Aug. 15, 1981, p. L31-L34.

Astronomy and Astrophysics

Astrophysics

30

Giant Stars, Globular Clusters, Line Spectra, Stellar Luminosity, Stellar Spectra, Stellar Winds, Deuterium, H Alpha Line, Sodium, Spectrum Analysis

Scientific paper

Spectra of luminous giants in several different globular clusters, obtained at a resolution of better than 15 km/s, show Na D and H-alpha line profiles with cores shifted by 11 km/s and 6 km/s, respectively, and with a steep blue wing and a gradual red wing. These profiles have a striking resemblance to both theoretical circumstellar profiles and to those observed for M giants and supergiants of the field

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