Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984natur.309..528p&link_type=abstract
Nature (ISSN 0028-0836), vol. 309, June 7, 1984, p. 528-530.
Astronomy and Astrophysics
Astronomy
29
Dwarf Novae, Spaceborne Astronomy, Ultraviolet Astronomy, Voyager Project, Accretion Disks, Extreme Ultraviolet Radiation, Far Ultraviolet Radiation, Light Curve, Wavelengths
Scientific paper
The authors report on observations of the dwarf novae SS Cyg and U Gem obtained with the Voyager UV spectrometers in the 500 - 1200 Å region. SS Cyg has been detected in quiescence at a flux level of 9×10-13erg cm-2s-1Å-1 at 1000 Å. U Gem was not detected in quiescence. No emission shortward of the Lyman limit (912 Å) is detected in either star. A far-UV (λeff = 1050 Å) light curve for an outburst in SS Cyg is presented. Evidence for a wind in the Lyman lines of hydrogen is seen in SS Cyg. No evidence of a wind was observed in U Gem.
Holberg Jay Brian
Polidan Ronald S.
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