Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21822601r&link_type=abstract
American Astronomical Society, AAS Meeting #218, #226.01; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
We present the results from the analysis of 120 epoch time-series photometry of a 1 square degree region of the Lynds 1003 dark cloud in the Cygnus OB7 association. Using the Wide-Field imaging camera (WFCAM) on UKIRT we were able to obtain almost-nightly J,H,K' photometry over three observing seasons of over 100,000 stars with photometric uncertainty better than 0.02 mag in the range J=10-16 mags and better than 0.1 mag down to J=18. We have identified over 300 candidate disk-bearing YSOs from color criteria and have investigated variability and periodicity for these stars relative to the field population. We have uncovered a population of young stars whose K-band infrared excess varies significantly over our 2-year observations. We report the discovery of periodic and stochastic variables among T Tauri stars, and present rotation periods for a number of YSOs.
Part of this work was funded by the NSF REU program.
Aspin Colin
Rice Thomas
Wolk Scott J.
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