Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.171..243f&link_type=abstract
(IAU, European Regional Astronomy Meeting, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640
Astronomy and Astrophysics
Astrophysics
1
Early Stars, Interstellar Extinction, Shell Stars, Absorption Spectra, F Stars, Stellar Color, Stellar Spectrophotometry, Ubv Spectra
Scientific paper
Results are reported from uvby-beta photometry of 24 B, A, and F stars in the vicinity of the shell star Alpha Ori and 13 stars from the list of Perry and Johnston (1982). Data obtained using the 1.5-m telescope at Calar Alto during January 1989 are presented in graphs and briefly characterized. The reddening values derived show that the absorbing material around Alpha Ori has a very irregular distribution, as found by Knapp and Bowers (1988).
Fabregat Juan
Querci Francois
Reglero Victor
Suso Julia
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