The 1983-1984 bright state of RY Tauri - Spectroscopy and photometry

Details The 1983-1984 bright state of RY Tauri - Spectroscopy and photometry The 1983-1984 bright state of RY Tauri - Spectroscopy and photometry

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pazh...11..271z&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 11, Apr. 1985, p. 271-277) Soviet Astronomy Letters (ISSN 0360-0327), vol. 11, Mar.-Apr

Astronomy and Astrophysics

Astronomy

6

Astronomical Photometry, Stellar Spectra, T Tauri Stars, Ubv Spectra, Absorption Spectra, Emission Spectra, H Alpha Line, Infrared Astronomy

Scientific paper

The present UBVJHK photometric and spectroscopic study of the T Tau star RY Tau from September, 1983 to April, 1984 noted that while the variable brightened considerably in V, from about 10.8 to 9.5 mag, its B-V, U-B colors remained steady. Strong night-to-night fluctuations in the H-alpha emission line profile were recorded, together with fast variability of the H-alpha equivalent width on the night of January 13, despite an invariant profile.

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