H-alpha line profiles in B stars - Comparison of theory and observations

Details H-alpha line profiles in B stars - Comparison of theory and observations H-alpha line profiles in B stars - Comparison of theory and observations

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...269..634h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 269, June 15, 1983, p. 634-640.

Astronomy and Astrophysics

Astrophysics

16

B Stars, H Alpha Line, Spectral Line Width, Stellar Atmospheres, Stellar Models, Stellar Spectra, Abundance, Line Shape, Stellar Gravitation, Stellar Temperature, Thermodynamic Equilibrium

Scientific paper

Observations of H-alpha in 17 main-sequence stars of spectral types B0-B5 have been compared with the profiles calculated from model atmospheres. Statistical equilibrium models by Mihalas (1970) provide an excellent fit to the core of H-alpha, but the LTE line-blanketed models by Kurucz (1979) provide a slightly better representation of the line wings. If Stromgren photometry is available, so that T(eff) can be derived from the c(0) index, then log g can be derived with an accuracy of + or - 0.15.

Affiliated with

Also associated with

No associations

Rating

H-alpha line profiles in B stars - Comparison of theory and observations does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with H-alpha line profiles in B stars - Comparison of theory and observations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and H-alpha line profiles in B stars - Comparison of theory and observations will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1504751