Periodic activity in the T Tauri star TW Hya

Details Periodic activity in the T Tauri star TW Hya Periodic activity in the T Tauri star TW Hya

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990basi...18..351m&link_type=abstract

Astronomical Society of India, Bulletin (ISSN 0304-9523), vol. 18, Sept.-Dec. 1990, p. 351-355.

Astronomy and Astrophysics

Astronomy

1

Stellar Spectrophotometry, T Tauri Stars, Ubv Spectra, Variability, Visual Photometry, Infrared Photometry, Light Curve, Stellar Magnetic Fields, Stellar Rotation, Ultraviolet Photometry

Scientific paper

UBVRI photometry of the isolated T Tauri star TW Hya, obtained during
1987 April from ESO, is presented. The data analysis shows a periodicity
of 2.195 d in light variation. The steep increase of amplitude towards
shorter wavelengths is interpreted as due to the rotational modulation
of hot plage region on the stellar surface.

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