Astronomy and Astrophysics – Astronomy
Scientific paper
May 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26as...40..207c&link_type=abstract
Astronomy and Astrophysics Supplement Series, vol. 40, May 1980, p. 207-213.
Astronomy and Astrophysics
Astronomy
15
B Stars, Binary Stars, Classifications, Spaceborne Astronomy, Stellar Spectra, Ultraviolet Spectra, Astronomical Catalogs, Sky Surveys (Astronomy), Spectrum Analysis, Tables (Data), Td-1 Satellite, Ultraviolet Astronomy
Scientific paper
The paper presents the ultraviolet classification of more than 450 B-A and F spectra obtained with the sky survey telescope mounted on the TD1 satellite. Concerning abnormal objects, attention is given to the Be stars, the binary stars, the helium weak stars, and the lambda Boo objects. With regard to Be stars, it is concluded that the 1930 A wavelength feature is linked to the existence of either shell structures or Fe II emission lines in the visual spectral range. In addition, it is suggested that stellar spectra at wavelengths of 1410, 1610-20 and 2400 A are equivalent to the He-weak group in the classical range.
Cucchiaro Antonio
Jaschek Carlos
Jaschek Mercedes
Macau-Hercot D.
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