The transiting system GJ1214: high-precision defocused transit observations and a search for evidence of transit timing variation

doi:10.1051/0004-6361.201219996

YNAO OpenIR > 系外行星研究组

	The transiting system GJ1214: high-precision defocused transit observations and a search for evidence of transit timing variation
	Harpsoe, KBW 1,2; Hardis, S 1,2; Hinse, TC 3; Jorgensen, G 1,2; Mancini, L 9,12,17; Southworth, J 4; Alsubai, KA 8; Bozza, V 9,11; Browne, P 5; Burgdorf, MJ 10; Novati, SC 9,12; Dodds, P 5; Dominik, M 5; Fang XS(房祥松)21 ; Finet, F 15; Gerner, T 16; Gu SH(顾盛宏)21 ; Hundertmark, M 5,13; Jessen-Hansen, J 20; Kains, N 5,14; Kerins, E 18; Kjeldsen, H 20; Liebig, C 5; Lund, MN 20; Lundkvist, M 20; Mathiasen, M 1; Nesvorny, D 23; Nikolov, N 17; Penny, MT 18; Proft, S 16; Rahvar, S 6,22; Ricci, D 15; Sahu, KC 19; Scarpetta, G 9,11,12; Schafer, S 13; Schonebeck, F 16; Snodgrass, C 7; Skottfelt, J 1,2; Surdej, J 15; Tregloan-Reed, J 5; Wertz, O 15
发表期刊	ASTRONOMY & ASTROPHYSICS
	2013-01
卷号	549
DOI	10.1051/0004-6361.201219996
产权排序	第21完成单位
收录类别	SCI ; EI
关键词	Planetray Systems Stars: Individual: Gj1214 Methods: Statistical Methods: Observational Techniques: Photometric
摘要	Aims. We present 11 high-precision photometric transit observations of the transiting super-Earth planet GJ 1214 b. Combining these data with observations from other authors, we investigate the ephemeris for possible signs of transit timing variations (TTVs) using a Bayesian approach. Methods. The observations were obtained using telescope-defocusing techinques, and achieve a high precision with random errors in the photometry as low as 1 mmag per point. To investigate the possiblity of TTVs in the light curve, we calculate the overall probability of a TTV signal using Bayesian methods. Results. The observations are used to determine the photometric parameters and the physical properties of the GJ 1214 system. Our results are in good agreement with published values. Individual times of mid-transit are measured with uncertainites as low as 10 s, allowing us to reduce the uncertainity in the orbital period by a factor or two. Conclusions. A Bayesian analysis reveals that it is highly improbable that the observed transit times is explained by TTV caused by a planet in the nominal habitable zone, when compared with the simpler alternative of a linear ephemeris.
资助项目	STFC ; Communaute francaise de Belgique - Actions de recherche concertees - Academie universitaire Wallonie-Europe ; KASI[2012-1-410-02] ; NPRP grant, Qatar National Research Fund (a member of Qatar Foundation)[NPRP-09-476-1-78]
项目资助者	STFC ; Communaute francaise de Belgique - Actions de recherche concertees - Academie universitaire Wallonie-Europe ; KASI[2012-1-410-02] ; NPRP grant, Qatar National Research Fund (a member of Qatar Foundation)[NPRP-09-476-1-78]
语种	英语
学科领域	天文学 ; 天体物理学 ; 实测天体物理学 ; 恒星与银河系 ; 恒星天文学
文章类型	Article
出版者	EDP SCIENCES S A
出版地	17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A, FRANCE
ISSN	0004-6361
URL	查看原文
WOS记录号	WOS:000313745000010
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	EXTRASOLAR PLANETS ; ECLIPSING BINARIES ; GJ 1214B ; PHYSICAL-PROPERTIES ; ADDITIONAL PLANETS ; OPEN CLUSTERS ; MASS ; PHOTOMETRY ; ATMOSPHERE ; EXOPLANETS
EI入藏号	20125015792535
EI主题词	Orbits
EI分类号	713.4Pulse Circuits - 921.4Combinatorial Mathematics, Includes Graph Theory, Set Theory - 941.4Optical Variables Measurements
引用统计	被引频次：57[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ynao.ac.cn/handle/114a53/6797
专题	系外行星研究组
通讯作者	Harpsoe, KBW
作者单位	1.Niels Bohr Institute, University of Copenhagen, Juliane Maries vej 30, 2100 Copenhagen Ø, Denmark 2.Centre for Star and Planet Formation, Natural History Museum of Denmark, Øster Voldgade 5, 1350 Copenhagen, Denmark 3.Korea Astronomy and Space Science Institute, 776 Daedeokdae-ro, Yuseong-gu, 305-348 Daejeon, Republic of Korea 4.Astrophysics Group, Keele University, Staffordshire, ST5 5BG, United Kingdom 5.SUPA, University of St Andrews, School of Physics and Astronomy, North Haugh, St-Andrews KY16 9SS, United Kingdom 6.Department of Physics, Sharif University of Technology, PO Box 11155-9161, Tehran, Iran 7.Max-Planck-Institute for Solar System Research, Max-Planck Str. 2, 37191 Katlenburg-Lindau, Germany 8.Qatar Foundation, Doha, Qatar 9.Dipartimento di Fisica e. R. Caianiello, Università di Salerno, via Ponte Don Melillo, 84084 Fisciano (SA), Italy 10.HE Space Operations GmbH, Flughafenallee 24, 28199 Bremen, Germany 11.Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Napoli, Italy 12.Istituto Internazionale per Gli Alti Studi Scientifici (IIASS), 84019 Vietri Sul Mare (SA), Italy 13.Institut für Astrophysik, Georg-August-Universität Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany 14.European Southern Observatory, Karl-Schwarzschild-Straße 2, 85748 Garching bei München, Germany 15.Institut d'Astrophysique et de Géophysique, Université de Liège, 4000 Liège, Belgium 16.Astronomisches Rechen-Institut, Zentrum für Astronomie, Universität Heidelberg, Mönchhofstraße 12-14, 69120 Heidelberg, Germany 17.Max Planck Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany 18.Jodrell Bank Centre for Astrophysics, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom 19.Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, United States 20.Stellar Astrophysics Centre (SAC), Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, 8000 Aarhus C, Denmark 21.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, 650011 Kunming, China 22.Perimeter Institute for Theoretical Physics, 31 Caroline St. N., Waterloo ON, N2L 2Y5, Canada 23.Southwest Research Institute, Department of Space Studies, 1050 Walnut St., Boulder, CO 80302, United States
推荐引用方式 GB/T 7714	Harpsoe, KBW,Hardis, S,Hinse, TC,et al. The transiting system GJ1214: high-precision defocused transit observations and a search for evidence of transit timing variation[J]. ASTRONOMY & ASTROPHYSICS,2013,549.
APA	Harpsoe, KBW.,Hardis, S.,Hinse, TC.,Jorgensen, G.,Mancini, L.,...&Wertz, O.(2013).The transiting system GJ1214: high-precision defocused transit observations and a search for evidence of transit timing variation.ASTRONOMY & ASTROPHYSICS,549.
MLA	Harpsoe, KBW,et al."The transiting system GJ1214: high-precision defocused transit observations and a search for evidence of transit timing variation".ASTRONOMY & ASTROPHYSICS 549(2013).

条目包含的文件
文件名称/大小	文献类型	版本类型	开放类型	使用许可
The transiting syste（2520KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览请求全文

个性服务

谷歌学术

百度学术

必应学术

相关权益政策

收藏/分享

文件名：	The transiting system GJ1214_ high-precision defocused transit observations, and a search for evidence of transit timing variation.pdf
格式：	Adobe PDF

所有评论 (0)

[发表评论/异议/意见]

暂无评论

评论
权益异议
反馈意见

评注功能仅针对注册用户开放，请您登录

您对该条目有什么异议，请向管理员反馈。
内容：
Email：	*
单位:
验证码：	刷新

您在知识库使用过程中有什么好的想法或者建议可以反馈给我们。
标题：	*
内容：
Email：	*
验证码：	刷新

系外行星研究组知识库