Near-Infrared Monitoring of T-Tauri Stars

Details Near-Infrared Monitoring of T-Tauri Stars Near-Infrared Monitoring of T-Tauri Stars

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...182.6216h&link_type=abstract

American Astronomical Society, 182nd AAS Meeting, #62.16; Bulletin of the American Astronomical Society, Vol. 25, p.906

Astronomy and Astrophysics

Astronomy

Scientific paper

We report near-infrared JHK photometry of 12 T-Tauri stars observed at intervals of a few days to a few weeks during 1991 and 1992. The sample mainly contains stars dominated by accretion luminosity. All of the stars varied over the monitoring period with amplitudes ranging between a few tenths of a magnitude to a full magnitude. Variations are well correlated at all three wavelengths and appear aperiodic. We also include near-infrared light curves for V410Tau, a rapidly rotating, heavily spotted weak-line T-Tauri star as a demonstration of the accuracy and consistency of the photometric measurements (typically 1-2 %) and for comparison with the extensive body of existing visible-wavelength observations.

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