Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ess.....2.1908p&link_type=abstract
American Astronomical Society, ESS meeting #2, #19.08
Astronomy and Astrophysics
Astronomy
Scientific paper
The Qatar Exoplanet Survey (QES) is conducting a wide-field transit search program using a 6-camera CCD imaging system designed design to go at least 0.5 magnitudes fainter than most current wide-angle surveys such as SuperWASP and HATNet. QES uses two overlapping wide field 135mm and 200mm lenses along with four 400mm lenses mosaiced to cover the same 11x11 degree field of view. The higher angular resolution and large aperture doubles the sampling volume for low-mass stars, compared to WASP and HAT. Saturn and Neptune sized planets are more easily detected if they orbit smaller stars, therefore by extending the transit search to stars with smaller radii QES is well position to plug the gap, between SuperEarths and Hot Jupiters, left between Kepler and the current wide-angle surveys. QES detections are nonetheless still bright enough for radial-velocity follow up with 2-m and 4-m class telescopes. We present the current status of the Qatar Exoplanet Survey, along with information of the first transiting exoplanets, Qatar-1b and Qatar-2b, to be found using the instrument, which were both detected orbiting K-dwarfs stars.
Alsubai Khalid A.
Collier Cameron Andrew
Horne Keith
Parley Neil
QES Consortium
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