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28 papers · 2 filters
MOA-2010-BLG-073L: An M-Dwarf with a Substellar Companion at the Planet/Brown Dwarf Boundary
R. A. Street, J. -Y. Choi, Y. Tsapras +129
We present an analysis of the anomalous microlensing event, MOA-2010-BLG-073, announced by the Microlensing Observations in Astrophysics survey on 2010-03-18. This event was remark…
A photometric study of the hot exoplanet WASP-19b
M. Lendl, M. Gillon, D. Queloz +4
Context: When the planet transits its host star, it is possible to measure the planetary radius and (with radial velocity data) the planet mass. For the study of planetary atmosphe…
WASP-77 Ab: A transiting hot Jupiter planet in a wide binary system
P. F. L. Maxted, D. R. Anderson, A. Collier Cameron +16
We report the discovery of a transiting planet with an orbital period of 1.36d orbiting the brighter component of the visual binary star BD -07 436. The host star, WASP-77A, is a m…
The CORALIE survey for southern extrasolar planets XVII. New and updated long period and massive planets
M. Marmier, D. Ségransan, S. Udry +24
Since 1998, a planet-search program around main sequence stars within 50 pc in the southern hemisphere, is carried out with the CORALIE echelle spectrograph at La Silla Observatory…
WASP-71b: a bloated hot Jupiter in a 2.9-day, prograde orbit around an evolved F8 star
A. M. S. Smith, D. R. Anderson, F. Bouchy +20
We report the discovery by the WASP transit survey of a highly-irradiated, massive (2.242 +/- 0.080 MJup) planet which transits a bright (V = 10.6), evolved F8 star every 2.9 days.…
Spitzer 3.6 micron and 4.5 micron full-orbit lightcurves of WASP-18
P. F. L. Maxted, D. R. Anderson, A. P. Doyle +7
We present new lightcurves of the massive hot Jupiter system WASP-18 obtained with the Spitzer spacecraft covering the entire orbit at 3.6 micron and 4.5 micron. These lightcurves…