Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sval....8...94a&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 8, Mar. 1982, p. 179-182.) Soviet Astronomy Letters, vol. 8, Mar.-Apr. 1982, p. 94-96.
Astronomy and Astrophysics
Astronomy
4
Emission Spectra, H Alpha Line, Spaceborne Astronomy, Variable Stars, X Ray Sources, Ariel 5 Satellite, Radial Velocity, Spectrum Analysis, Temporal Resolution
Scientific paper
The 6-m telescope was employed to obtain 56 A/mm-dispersion image tube spectrograms in a search for rapid, 103.84-sec variability in several parameters describing the H-alpha emission line in the spectrum of HDE 245770. An analysis of data covering eight of the 104-sec X-ray periods indicates that, to within the errors of measurement obtainable with the equipment used, the H-alpha parameters remain constant.
Aab O. E.
Byohkova L. V.
Kopylov I. M.
Kumaigorodskaia R. N.
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