Variations of the equivalent widths of emission lines in the presence of sources of variability in nonstationary objects

Details Variations of the equivalent widths of emission lines in the presence of sources of variability in nonstationary objects Variations of the equivalent widths of emission lines in the presence of sources of variability in nonstationary objects

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987kfnt....3...30b&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 3, Jan.-Feb. 1987, p. 30-33. In Russian.

Physics

Emission Spectra, Spectral Line Width, Stellar Luminosity, Stellar Spectra, T Tauri Stars, Variable Stars, Photosphere

Scientific paper

The paper presents simple relationships existing between the stellar brightness and equivalent width of emission lines when stellar variability is caused either by the photosphere or by the extinction of the circumstellar dust cloud. These relationships are used to derive the sources of variability for one unique variable V348 Sgr and two T Tauri stars: CO Ori and RW Aur.

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