The sun among the stars. VII - The H-alpha profile of the sun and the solar analog 16 Cygni B

Details The sun among the stars. VII - The H-alpha profile of the sun and the solar analog 16 Cygni B The sun among the stars. VII - The H-alpha profile of the sun and the solar analog 16 Cygni B

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...127..277h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 127, no. 2, Nov. 1983, p. 277, 278.

Astronomy and Astrophysics

Astrophysics

10

H Alpha Line, Main Sequence Stars, Solar Spectra, Spectral Line Width, Stellar Temperature, Absorption Spectra, Solar Temperature, Stellar Models

Scientific paper

An Hα absorption line profile of 16 Cyg B obtained with high S/N ratio is shown to agree well with the solar Hα profile, confirming that both stars have identical temperatures. Model calculations by Kurucz (1979) predict the observed Hα wings of the Sun correctly; lack of agreement in the core of Hα is probably due to non-LTE effects.

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