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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



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ID: 693452.0, MPI für Astronomie / Publikationen_mpia
High-precision photometry by telescope defocusing - V. WASP-15 and WASP-16
Authors:Southworth, John; Mancini, L.; Browne, P.; Burgdorf, M.; Calchi Novati, S.; Dominik, M.; Gerner, T.; Hinse, T. C.; Jørgensen, U. G.; Kains, N.; Ricci, D.; Schäfer, S.; Schönebeck, F.; Tregloan-Reed, J.; Alsubai, K. A.; Bozza, V.; Chen, G.; Dodds, P.; Dreizler, S.; Fang, X.-S.; Finet, F.; Gu, S.-H.; Hardis, S.; Harpsøe, K.; Henning, Th.; Hundertmark, M.; Jessen-Hansen, J.; Kerins, E.; Kjeldsen, H.; Liebig, C.; Lund, M. N.; Lundkvist, M.; Mathiasen, M.; Nikolov, N.; Penny, M. T.; Proft, S.; Rahvar, S.; Sahu, K.; Scarpetta, G.; Skottfelt, J.; Snodgrass, C.; Surdej, J.; Wertz, O.
Language:English
Date of Publication (YYYY-MM-DD):2013
Title of Journal:Monthly Notices of the Royal Astronomical Society
Volume:434
Issue / Number:2
Start Page:1300
End Page:1308
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We present new photometric observations of WASP-15 and WASP-16, two transiting extrasolar planetary systems with measured orbital obliquities but without photometric follow-up since their discovery papers. Our new data for WASP-15 comprise observations of one transit simultaneously in four optical passbands using GROND on the MPG/European Southern Observatory (ESO) 2.2 m telescope, plus coverage of half a transit from DFOSC on the Danish 1.54 m telescope, both at ESO La Silla. For WASP-16 we present observations of four complete transits, all from the Danish telescope. We use these new data to refine the measured physical properties and orbital ephemerides of the two systems. Whilst our results are close to the originally determined values for WASP-15, we find that the star and planet in the WASP-16 system are both larger and less massive than previously thought.
Free Keywords:stars: fundamental parameters; stars: individual: WASP-15; stars: individual: WASP-16; planetary systems
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:ISSN:0035-8711 [ID No:1]
URL:http://cdsads.u-strasbg.fr/abs/2013MNRAS.434.1300S [ID No:2]
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