SKYLAB ultraviolet stellar spectra - Emission lines from the Beta Lyrae system

Details SKYLAB ultraviolet stellar spectra - Emission lines from the Beta Lyrae system SKYLAB ultraviolet stellar spectra - Emission lines from the Beta Lyrae system

Sep 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...208..468k&link_type=abstract

Astrophysical Journal, vol. 208, Sept. 1, 1976, pt. 1, p. 468-473.

Astronomy and Astrophysics

Astrophysics

4

Eclipsing Binary Stars, Emission Spectra, Stellar Spectra, Ultraviolet Spectra, Interstellar Gas, Satellite-Borne Instruments, Skylab Program, Stellar Envelopes

Scientific paper

Observations of Beta Lyr with the Skylab S-019 ultraviolet objective-prism spectrograph show numerous emission lines in the region from 1400 to 2300 A. Some variations in line strength between phases 0.25 and 0.50 are seen, which probably explain the shallowness of the OAO-2 light curve at 1910 A. Many of the emission lines are probably due to intercombination transitions, thus confirming the concept that the emission is produced by collisional excitation in low-density clouds of hot gas.

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