cheops and ngts in the gaia era
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CHEOPS and NGTS
in the Gaia era
Didier Queloz et al.
Didier.queloz@unige.ch
Bulk structure and composition
2
Planet atmosphere
3
Magnitude problem
Diversity of the bulk density
5
Kepler statistics
Howard et al. 2010
Belfast, DLR Berlin, Geneva, Leicester, Warwick, U. Catolica
www.ngtransits.org
NGTS location: Paranal (ESO)
Performance design tested in 2010
First Unit test at Geneva
3 mmag
13
http://cheops.unibe.ch/
Selected ESA mission for launch in 2017
Gaia connectionNGTS CHEOPS
Sky access, duration
“whole sky”, 3 months series Pointed day to few weeks20% time on open call
Accuracy 1 mmag 10-100 ppm
Target mag 9 < I < 15 6 < V < 16
Operation 2014 - 2018 2018-2021
Data access Public 1 year after observation TBD by ESA
GAIA feed-back
K dwarfs id, stellar size, false positive Stellar size, transit
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