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Physical properties and transmission spectrum of the WASP-74 planetary system from multiband photometry
Mancini, L.1,2,3,4; Southworth, J.5; Molliere, P.6; Tregloan-Reed, J.7; Juvan, I. G.8,9,10; Chen, G.11,12; Sarkis, P.2; Bruni, I.13; Ciceri, S.14; Andersen, M. I.15,16,17; Bozza, V.18,19; Bramich, D. M.20; Burgdorf, M.21; D'Ago, G.22; Dominik, M.23; Evans, D. F.5; Jaimes, R. Figuera23,24,25,26; Fossati, L.8; Henning, Th.2; Hinse, T. C.27,28; Hundertmark, M.29; Jorgensen, U. G.; Kerins, E.30; Korhonen, H.15,16,17; Kueffmeier, M.31; Longa, P.7; Peixinho, N.32; Popovas, A.16,17; Rabus, M.2,22,33,34; Rahvar, S.35; Skottfelt, J.16,17,36; Snodgrass, C.37; Tronsgaard, R.38,39; Wang, Y.11,40; Wertz, O.41
2019-06-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume485Issue:4Pages:5168-5179
Corresponding AuthorMancini, L.(lmancini@roma2.infn.it)
AbstractWe present broad-band photometry of 11 planetary transits of the hot Jupiter WASP-74 b, using three medium-class telescopes and employing the telescope-defocusing technique. Most of the transits were monitored through I filters and one was simultaneously observed in five optical (U, g', r', i', z') and three near-infrared (J, H, K) passbands, for a total of 18 light curves. We also obtained new high-resolution spectra of the host star. We used these new data to review the orbital and physical properties of the WASP-74 planetary system. We were able to better constrain the main system characteristics, measuring smaller radius and mass for both the hot Jupiter and its host star than previously reported in the literature. Joining our optical data with those taken with the HST in the near infrared, we built up an observational transmission spectrum of the planet, which suggests the presence of strong optical absorbers, as TiO and VO gases, in its atmosphere.
Keywordtechniques: photometric stars: fundamental parameters stars: individual: WASP-74 planetary systems
DOI10.1093/mnras/stz661
WOS KeywordTRANSITING EXTRASOLAR PLANETS ; LIGHT CURVES ; HOT-JUPITER
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000474880400052
PublisherOXFORD UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/27381
Collection中国科学院紫金山天文台
Corresponding AuthorMancini, L.
Affiliation1.Univ Roma Tor Vergata, Dept Phys, Via Ric Sci 1, I-00133 Rome, Italy
2.Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany
3.INAF Osservatorio Astrofis Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy
4.IIASS, Via G Pellegrino 19, I-84019 Vietri Sur Mare, SA, Italy
5.Keele Univ, Astrophys Grp, Keele ST5 5BG, Staffs, England
6.Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands
7.Univ Antofagasta, Ctr Astron CITEVA, Ave U Antofagasta, Antofagasta 02800, Chile
8.Austrian Acad Sci, Space Res Inst, Schmiedlstr 6, A-8042 Graz, Austria
9.Karl Franzens Univ Graz, Inst Geophys Astrophys & Meteorol, Univ Pl 5, A-8010 Graz, Austria
10.Univ Innsbruck, Inst Astro & Teilchenphys, Tech Str 25, A-6020 Innsbruck, Austria
11.Chinese Acad Sci, Purple Mt Observ, Key Lab Planetary Sci, Nanjing 210008, Jiangsu, Peoples R China
12.Inst Astrofis Canarias, Via Lactea S-N, E-38205 Tenerife, Spain
13.INAF Osservatorio Astron Bologna, Via Ranzani 1, I-40127 Bologna, Italy
14.Stockholm Univ, Dept Astron, AlbaNova SCFAB Astron, SE-10691 Stockholm, Sweden
15.Univ Copenhagen, Niels Bohr Inst, Dark Cosmol Ctr, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark
16.Univ Copenhagen, Niels Bohr Inst, Oster Coldgade 5, DK-1350 Copenhagen K, Denmark
17.Univ Copenhagen, Ctr Star & Planet Format, Oster Coldgade 5, DK-1350 Copenhagen K, Denmark
18.Univ Salerno, Dipartimento Fis ER Caianiello, Via Giovanni Paolo II 132, I-84084 Fisciano, SA, Italy
19.Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy
20.New York Univ Abu Dhabi, POB 129188, Abu Dhabi, U Arab Emirates
21.Univ Hamburg, Meteorol Inst, Dept Earth Sci, Bundesstr 55, D-20146 Hamburg, Germany
22.Pontificia Univ Catolica Chile, Fac Fis, Inst Astrofis, Av Vicuna Mackenna 4860, Santiago 7820436, Chile
23.Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland
24.European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany
25.Tsinghua Univ, Phys Dept, Beijing 100084, Peoples R China
26.Tsinghua Univ, Tsinghua Ctr Astrophys, Beijing 100084, Peoples R China
27.Chungnam Natl Univ, Dept Astron & Space Sci, Daejeon 34134, South Korea
28.Korea Astron & Space Sci Inst, Daejeon 34134, South Korea
29.Heidelberg Univ, Zentrum Astron, Astron Rechen Inst, Monchhofstr 12-14, D-69120 Heidelberg, Germany
30.Univ Manchester, Ctr Astrophys, Jodrell Bank, Oxford Rd, Manchester M13 9PL, Lancs, England
31.Heidelberg Univ, Zentrum Astron, Inst Theoret Astrophys, Albert Ueberle Str 2, D-69120 Heidelberg, Germany
32.Univ Coimbra, Geophys & Astron Observ, CITEUC Ctr Earth & Space Sci Res, P-3040004 Coimbra, Portugal
33.Las Cumbres Observ Global Telescope, 6740 Cortona Dr,Suite 102, Goleta, CA 93111 USA
34.Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA
35.Sharif Univ Technol, Dept Phys, POB 11155-9161, Tehran, Iran
36.Open Univ, Dept Phys Sci, Ctr Elect Imaging, Milton Keynes MK7 6AA, Bucks, England
37.Univ Edinburgh, Royal Observ, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland
38.Aarhus Univ, Dept Phys & Astron, SAC, Ny Munkegade 120, DK-8000 Aarhus C, Denmark
39.Tech Univ Denmark, Natl Space Inst, DTU Space, Elektrovej 328, DK-2800 Lyngby, Denmark
40.Chinese Acad Sci, Yunnan Observ, Kunming 650011, Yunnan, Peoples R China
41.Univ Liege, Inst Astrophys & Geophys, B-4000 Liege, Belgium
Recommended Citation
GB/T 7714
Mancini, L.,Southworth, J.,Molliere, P.,et al. Physical properties and transmission spectrum of the WASP-74 planetary system from multiband photometry[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2019,485(4):5168-5179.
APA Mancini, L..,Southworth, J..,Molliere, P..,Tregloan-Reed, J..,Juvan, I. G..,...&Wertz, O..(2019).Physical properties and transmission spectrum of the WASP-74 planetary system from multiband photometry.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,485(4),5168-5179.
MLA Mancini, L.,et al."Physical properties and transmission spectrum of the WASP-74 planetary system from multiband photometry".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 485.4(2019):5168-5179.
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