Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21722002e&link_type=abstract
American Astronomical Society, AAS Meeting #217, #220.02; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
The DEdicated MONitor of EXotransits (DEMONEX) is a 0.5 meter, robotic telescope dedicated to obtaining precise photometry of bright stars with transiting planets. This photometry provides a homogeneous data set for all transits visible from its location at Winer Observatory in Sonoita, Arizona, and allows us to robustly compare planets, search for additional planets via transit timing variations (TTVs), place limits on secondary eclipses, systematically search known radial velocity planets for those that transit, and follow up promising transiting planet candidates from the Kilo-degree Extremely Little Telescope (KELT).
We describe the hardware, scheduling, observing, and data reduction software; as well as our results from the first two and half years of operation from a subset of the 250 primary transits and 150 secondary transits we have observed. We also discuss a wide-spread confusion regarding time stamps that makes stated times within the exoplanet community ambiguous at the 1-minute level, which is critical to the correct interpretation of TTVs.
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