Emission lines in the spectra of the RV Tauri stars U Monocerotis and AC Herculis

Details Emission lines in the spectra of the RV Tauri stars U Monocerotis and AC Herculis Emission lines in the spectra of the RV Tauri stars U Monocerotis and AC Herculis

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pasp...96..432b&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 96, June 1984, p. 432-436.

Astronomy and Astrophysics

Astronomy

4

Emission Spectra, Metallic Stars, Stellar Spectra, Supergiant Stars, Variable Stars, Absorption Spectra, H Alpha Line, Light Curve, Radial Velocity

Scientific paper

Strong metallic emission lines have been observed in the spectra of the RV Tauri stars U Mon and AC Her near recent light minima. While these two variables differ in a number of significant respects, the metallic emission spectra are quite similar, resembling the emission that was previously reported as present in the spectrum of R Sct at a deep minimum. The data appear to support Baird's shock-wave model for the spectral behavior of RV Tauri stars.

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