High-precision photometry by telescope defocusing - V. WASP-15 and WASP-16

John Southworth; L. Mancini; P. Browne; M. Burgdorf; S. Calchi Novati; M. Dominik; T. Gerner; T. C. Hinse; Uffe Gråe Jørgensen; N. Kains; D. Ricci; S. Schäfer; F. Schönebeck; J. Tregloan-Reed; K. A. Alsubai; V. Bozza; G. Chen; P. Dodds; S. Dreizler; X.-S. Fang; F. Finet; S.-H. Gu; S. Hardis; Kennet Bomann West Harpsøe; Th. Henning; M. Hundertmark; Jens Jessen-Hansen; E. Kerins; Hans Kjeldsen; C. Liebig; Mikkel Nørup Lund; Mia Lundkvist; M. Mathiasen; N. Nikolov; M. T. Penny; S. Proft; S. Rahvar; K. Sahu; G. Scarpetta; Jesper Mirsa Skottfelt; C. Snodgrass; J. Surdej; O. Wertz

doi:10.1093/mnras/stt1089

High-precision photometry by telescope defocusing - V. WASP-15 and WASP-16

John Southworth, L. Mancini, P. Browne, M. Burgdorf, S. Calchi Novati, M. Dominik, T. Gerner, T. C. Hinse, Uffe Gråe Jørgensen, N. Kains, D. Ricci, S. Schäfer, F. Schönebeck, J. Tregloan-Reed, K. A. Alsubai, V. Bozza, G. Chen, P. Dodds, S. Dreizler, X.-S. FangF. Finet, S.-H. Gu, S. Hardis, Kennet Bomann West Harpsøe, Th. Henning, M. Hundertmark, Jens Jessen-Hansen, E. Kerins, Hans Kjeldsen, C. Liebig, Mikkel Nørup Lund, Mia Lundkvist, M. Mathiasen, N. Nikolov, M. T. Penny, S. Proft, S. Rahvar, K. Sahu, G. Scarpetta, Jesper Mirsa Skottfelt, C. Snodgrass, J. Surdej, O. Wertz

Astrofysik og Planetforskning

17 Citationer (Scopus)

Abstract

We present newphotometric observations ofWASP-15 andWASP-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. ForWASP-16 we present observations of fourcomplete 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 forWASP-15, we find that the star and planet in theWASP-16 system are both larger and less massive than previously thought.

Originalsprog	Engelsk
Tidsskrift	Monthly Notices of the Royal Astronomical Society
Vol/bind	434
Udgave nummer	2
Sider (fra-til)	1300-1308
Antal sider	8
ISSN	0035-8711
DOI	https://doi.org/10.1093/mnras/stt1089
Status	Udgivet - 1 sep. 2013

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10.1093/mnras/stt1089

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Southworth, J., Mancini, L., Browne, P., Burgdorf, M., Novati, S. C., 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., ... Wertz, O. (2013). High-precision photometry by telescope defocusing - V. WASP-15 and WASP-16. Monthly Notices of the Royal Astronomical Society, 434(2), 1300-1308. https://doi.org/10.1093/mnras/stt1089

Southworth, J, Mancini, L, Browne, P, Burgdorf, M, Novati, SC, Dominik, M, Gerner, T, Hinse, TC, Jørgensen, UG, Kains, N, Ricci, D, Schäfer, S, Schönebeck, F, Tregloan-Reed, J, Alsubai, KA, Bozza, V, Chen, G, Dodds, P, Dreizler, S, Fang, X-S, Finet, F, Gu, S-H, Hardis, S, Harpsøe, KBW, Henning, T, Hundertmark, M, Jessen-Hansen, J, Kerins, E, Kjeldsen, H, Liebig, C, Lund, MN, Lundkvist, M, Mathiasen, M, Nikolov, N, Penny, MT, Proft, S, Rahvar, S, Sahu, K, Scarpetta, G, Skottfelt, JM, Snodgrass, C, Surdej, J & Wertz, O 2013, 'High-precision photometry by telescope defocusing - V. WASP-15 and WASP-16', Monthly Notices of the Royal Astronomical Society, bind 434, nr. 2, s. 1300-1308. https://doi.org/10.1093/mnras/stt1089

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title = "High-precision photometry by telescope defocusing - V. WASP-15 and WASP-16",

abstract = "We present newphotometric observations ofWASP-15 andWASP-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. ForWASP-16 we present observations of fourcomplete 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 forWASP-15, we find that the star and planet in theWASP-16 system are both larger and less massive than previously thought.",

author = "John Southworth and L. Mancini and P. Browne and M. Burgdorf and Novati, {S. Calchi} and M. Dominik and T. Gerner and Hinse, {T. C.} and J{\o}rgensen, {Uffe Gr{\aa}e} and N. Kains and D. Ricci and S. Sch{\"a}fer and F. Sch{\"o}nebeck and J. Tregloan-Reed and Alsubai, {K. A.} and V. Bozza and G. Chen and P. Dodds and S. Dreizler and X.-S. Fang and F. Finet and S.-H. Gu and S. Hardis and Harps{\o}e, {Kennet Bomann West} and Th. Henning and M. Hundertmark and Jens Jessen-Hansen and E. Kerins and Hans Kjeldsen and C. Liebig and Lund, {Mikkel N{\o}rup} and Mia Lundkvist and M. Mathiasen and N. Nikolov and Penny, {M. T.} and S. Proft and S. Rahvar and K. Sahu and G. Scarpetta and Skottfelt, {Jesper Mirsa} and C. Snodgrass and J. Surdej and O. Wertz",

year = "2013",

month = sep,

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doi = "10.1093/mnras/stt1089",

language = "English",

volume = "434",

pages = "1300--1308",

journal = "Royal Astronomical Society. Monthly Notices",

issn = "0035-8711",

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TY - JOUR

T1 - High-precision photometry by telescope defocusing - V. WASP-15 and WASP-16

AU - Southworth, John

AU - Mancini, L.

AU - Browne, P.

AU - Burgdorf, M.

AU - Novati, S. Calchi

AU - Dominik, M.

AU - Gerner, T.

AU - Hinse, T. C.

AU - Jørgensen, Uffe Gråe

AU - Kains, N.

AU - Ricci, D.

AU - Schäfer, S.

AU - Schönebeck, F.

AU - Tregloan-Reed, J.

AU - Alsubai, K. A.

AU - Bozza, V.

AU - Chen, G.

AU - Dodds, P.

AU - Dreizler, S.

AU - Fang, X.-S.

AU - Finet, F.

AU - Gu, S.-H.

AU - Hardis, S.

AU - Harpsøe, Kennet Bomann West

AU - Henning, Th.

AU - Hundertmark, M.

AU - Jessen-Hansen, Jens

AU - Kerins, E.

AU - Kjeldsen, Hans

AU - Liebig, C.

AU - Lund, Mikkel Nørup

AU - Lundkvist, Mia

AU - Mathiasen, M.

AU - Nikolov, N.

AU - Penny, M. T.

AU - Proft, S.

AU - Rahvar, S.

AU - Sahu, K.

AU - Scarpetta, G.

AU - Skottfelt, Jesper Mirsa

AU - Snodgrass, C.

AU - Surdej, J.

AU - Wertz, O.

PY - 2013/9/1

Y1 - 2013/9/1

N2 - We present newphotometric observations ofWASP-15 andWASP-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. ForWASP-16 we present observations of fourcomplete 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 forWASP-15, we find that the star and planet in theWASP-16 system are both larger and less massive than previously thought.

AB - We present newphotometric observations ofWASP-15 andWASP-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. ForWASP-16 we present observations of fourcomplete 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 forWASP-15, we find that the star and planet in theWASP-16 system are both larger and less massive than previously thought.

U2 - 10.1093/mnras/stt1089

DO - 10.1093/mnras/stt1089

M3 - Journal article

SN - 0035-8711

VL - 434

SP - 1300

EP - 1308

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

IS - 2

ER -

High-precision photometry by telescope defocusing - V. WASP-15 and WASP-16

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