The generalized Compton effect in the spectrum of Deneb

Details The generalized Compton effect in the spectrum of Deneb The generalized Compton effect in the spectrum of Deneb

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..85..419m&link_type=abstract

Astrophysics and Space Science, vol. 85, no. 1-2, July 1982, p. 419-425.

Astronomy and Astrophysics

Astrophysics

1

Compton Effect, Light Scattering, Radial Velocity, Red Shift, Stellar Spectra, Supergiant Stars, Chromosphere, H Alpha Line, Hydrogen Atoms, Interstellar Matter, Spectral Line Width, Stellar Atmospheres, Variable Stars

Scientific paper

The radial velocity and the redshift caused by the scattering of photons in the chromosphere of Deneb and in the interstellar matter is obtained from the wavelengths and FWHM of about 30 spectral lines measured in two spectra observed in 1979. The hypothesis of the spectrum being displaced toward the red by a scattering of photons on the hydrogen atoms of the chromosphere of the star and of the surrounding space appears to be consistent with the observations, while the dependence of the redshift on the normalized width of the spectral lines seems not to be in contrast with the observations.

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