An optical time-resolved spectroscopic study of SS Cygni. 1: Quiescence

Details An optical time-resolved spectroscopic study of SS Cygni. 1: Quiescence An optical time-resolved spectroscopic study of SS Cygni. 1: Quiescence

Nov 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...291..455m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 291, no. 2, p. 455-467

Astronomy and Astrophysics

Astrophysics

26

Absorption Spectra, Accretion Disks, Cataclysmic Variables, Main Sequence Stars, Stellar Spectra, Temporal Resolution, White Dwarf Stars, Balmer Series, H Alpha Line, Iron, Radial Velocity

Scientific paper

In this work we analyze time-resolved spectra of SS Cygni in quiescence. The geometrical and orbital fundamental parameters of the system are determined. When in the data the contribution of the secondary star is removed some weak emission lines and a Fe I absorption line become clearly visible. We detect strong emission from the secondary star due to being heated by irradiation from the inner regions of the disk. Evidence for non-keplerian regions in the accretion disk is also found.

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