ANALYSIS OF THE SPECTRA OF SIRIUS AND VEGA IN THE 3600 TO 4200 ANGSTROM REGION

Flux constant line-blanketed model atmospheres have been used to compute theoretical spectra in the region of the Balmer limit. These spectra have been compared with observations of Sirius and Vega. The agreement is satisfactory, the mean difference between theory and observation being about 8%. The...

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Bibliographic Details
Published in:Publications of the Astronomical Society of the Pacific 1982-02, Vol.94 (557), p.50-54
Main Authors: BELL, R. A., DREILING, L. A.
Format: Article
Language:English
Subjects:
Absorption spectra
Modeling
Ratios
Spectral resolution
Stars
Surface gravity
Wavelengths
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Summary:Flux constant line-blanketed model atmospheres have been used to compute theoretical spectra in the region of the Balmer limit. These spectra have been compared with observations of Sirius and Vega. The agreement is satisfactory, the mean difference between theory and observation being about 8%. The effect of the differences on theoretical color calculations is examined.
ISSN:0004-6280
1538-3873
DOI:10.1086/130940