The T Tauri star RU LUPI and its circumstellar surrounding

Details The T Tauri star RU LUPI and its circumstellar surrounding The T Tauri star RU LUPI and its circumstellar surrounding

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975icar...24..372g&link_type=abstract

Icarus, vol. 24, Mar. 1975, p. 372-378. Research supported by the Swedish National Science Research Council.

Astronomy and Astrophysics

Astronomy

18

Cosmic Dust, Early Stars, Interstellar Extinction, Stellar Envelopes, T Tauri Stars, Astronomical Photometry, Astronomical Spectroscopy, Opacity, Planetary Evolution

Scientific paper

From simultaneous spectroscopic and photometric observations of the T Tauri star RU Lup, which was followed for nine consecutive nights, it was found that most if not all of the light variations observed on this star were caused by variable circumstellar extinction. The character and the time scale of the variations imply that the variations are due to dust concentrations of stellar dimension crossing the line of sight to the star. The implications of this interpretation and its possible bearing on problems of protoplanetary systems are discussed.

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