Near-infrared spectra of cataclysmic variables

Details Near-infrared spectra of cataclysmic variables Near-infrared spectra of cataclysmic variables

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....106.1191r&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 106, no. 3, p. 1191-1199.

Astronomy and Astrophysics

Astronomy

15

Cataclysmic Variables, Dwarf Stars, Infrared Spectra, Late Stars, Near Infrared Radiation, Absorption Spectra, Emission Spectra, Spectral Bands

Scientific paper

We present results from the first systematic survey of the near-infrared (1-2.5 microns) spectra of cataclysmic variables. Emission lines of H I and He I are present in most objects. He II emission is observed in V Sge. Lines from high-ionization species may be present in TT Ari and SS Cyg. Absorption features typical of late-type stars are detected in some systems. Spectra of SS Cyg over several years show possible variability of the absorption line strengths. On some occasions the absorption lines in SS Cyg may be stronger than those expected from a K5 V star.

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