The infrared CA II triplet in the spectrum of UV Ceti stars

Details The infrared CA II triplet in the spectrum of UV Ceti stars The infrared CA II triplet in the spectrum of UV Ceti stars

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979sval....5..193s&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 5, July 1979, p. 360-362.) Soviet Astronomy Letters, vol. 5, July-Aug. 1979, p. 193, 19

Astronomy and Astrophysics

Astronomy

2

Calcium, Flare Stars, Infrared Astronomy, Infrared Spectra, Stellar Spectra, Absorption Spectra, Emission Spectra, Image Tubes, Late Stars, Reference Stars

Scientific paper

Observations with a single-stage image tube in the 8000-9000 A range show that the absorption lines of the Ca II triplet are anomalously weak in the spectra of several UV Cet flares stars compared with standard stars. The anomaly may result from blending of the Ca II absorption lines with emission components. Some of the physical parameters of the region responsible for the Ca II emission are estimated.

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