Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26as...47..419b&link_type=abstract
Astronomy and Astrophysics Supplement Series, vol. 47, Mar. 1982, p. 419-439. Deutsche Forschungsgemeinschaft
Astronomy and Astrophysics
Astronomy
34
Early Stars, Protostars, Spectral Line Width, Stellar Spectra, Stellar Spectrophotometry, Emission Spectra, Nocturnal Variations, Orion Constellation, Radial Velocity, Ultraviolet Astronomy
Scientific paper
A description is given of data obtained during simultaneous observations of the two YY Orionis stars S CrA and CoD-35 deg 10525, over twelve consecutive nights, at La Silla, Chile, and San Pedro Martir, Mexico. A medium-narrow band 13-color photometric system was employed. It is found that photometric variations occur in the UV part of the spectrum, and correlate with changes in the appearance of the line spectrum. Line identifications are given for both stars, emission and absorption line radial velocities are tabulated, and line profile variations are studied in detail.
Bertout Claude
Carrasco Luis
Mundt Reinhard
Wolf Bernd
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