Observations of fast oscillations in SS Cygni

Details Observations of fast oscillations in SS Cygni Observations of fast oscillations in SS Cygni

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...243..223h&link_type=abstract

Astrophysical Journal, Part 1, vol. 243, Jan. 1, 1981, p. 223-227. Research supported by the University of Chicago;

Astronomy and Astrophysics

Astrophysics

19

Coherent Radiation, Novae, Stellar Oscillations, Stellar Spectra, Stellar Spectrophotometry, Ultraviolet Radiation, White Dwarf Stars, Light Curve, Photomultiplier Tubes, Power Spectra, Stellar Luminosity, Stellar Magnitude, X Ray Sources

Scientific paper

High-speed photometric observations of the dwarf nova SS Cygni have been made using an ultraviolet and blue sensitive photomultiplier. Rapid oscillations were detected over an interval of 7 days. The period of the oscillations passed through a minimum of 7.29 s, the shortest period yet observed in a dwarf nova. The signal was spread in frequency by an amount larger than required by the slow evolution of the period. The data are considered from the viewpoint of several models.

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