Statistics – Methodology
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21934818h&link_type=abstract
American Astronomical Society, AAS Meeting #219, #348.18
Statistics
Methodology
Scientific paper
During December 2010 and January 2011, the MOST satellite monitored the Trapezium region of Orion, centered on the 6.5-day eclipsing binary BM Orionis. Month-long light curves of this eclipsing binary along with 37 other stars were obtained by the spacecraft, along with extended monitoring from AAVSO observers. A detailed analysis is ongoing. First, we briefly describe our methodology for removing scattered light and other systematic effects from the data. Our results for the BM Ori light curve show that the light curve is symmetric and flat-bottomed, and our analysis shows that duration of total eclipse is now shorter than was previously measured. No other periodic signals have thus far been detected in BM Ori. MOST data for several other stars in the Orion region clearly show either aperiodic variability, or periodic variations suggesting rotation, and we survey the result of our variability search. Among the MOST light curves is a nearly unbroken 27-day light curve of the bright Be star MWC 114, and multiperiodic variability is clearly visible.
Guzik Joyce Ann
Henden Arne A.
Herbst William
Templeton Matthew R.
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