The envelopes of RV Tauri stars. I - Linear polarimetric and spectroscopic observations

Details The envelopes of RV Tauri stars. I - Linear polarimetric and spectroscopic observations The envelopes of RV Tauri stars. I - Linear polarimetric and spectroscopic observations

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100.2004n&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 100, Dec. 1990, p. 2004-2016.

Astronomy and Astrophysics

Astronomy

13

Polarimetry, Stellar Envelopes, Stellar Spectra, Taurus Constellation, H Alpha Line, H Beta Line, Stellar Magnitude, Stellar Oscillations, Variable Stars

Scientific paper

Simultaneous spectroscopic and polarimetric observations are presented for five RV Tauri stars and one RV Tauri-like semiregular variable. Time-dependent variations are found in the polarizations for four of the objects, as are wavelength-dependent variations in two and possibly three stars. In general, the largest polarizations and strongest wavelength dependences in the polarization occur immediately following primary light minima.

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