Detection of periods for T Tauri stars.

Details Detection of periods for T Tauri stars. Detection of periods for T Tauri stars.

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26as..120..267o&link_type=abstract

Astronomy and Astrophysics Supplement, v.120, p.267-274

Astronomy and Astrophysics

Astrophysics

3

Stars: Evolution, Stars: Pre Main-Sequence, Stars: Rotation

Scientific paper

We present the results of UBrHalpha_z monitoring of a sample of T Tauri stars. The method of differential CCD photometry was applied. The observations span a range of ten days and show that eleven out of twelve sources varied during this time interval. These variations are correlated in all bands. Periods were detected (confidence level 99.99%) for eight out of eleven variable stars; one additional period was found at the 99.9% confidence level. Of those, one (BP Tau) agrees with previously published periods; two, GM Aur and IQ Tau, do not; six are new detections of periodicities. The sample is drawn from the Taurus-Auriga and Cepheus IV star-forming regions.

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