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| 題名: | Ground-based transit observations of the HAT-P-18, HAT-P-19, HAT-P-27/WASP40 andWASP-21 systems |
| 作者: | 陳文屏;Seeliger, M.;Kitze, M.;Errmann, R.;Richter, S.;Ohlert, J. M.;Chen, W. P.;Guo, J. K.;Göğüş, E.;Güver, T.;Aydın, B.;Mottola, S.;Hellmich, S.;Fernandez, M.;Aceituno, F. J.;Dimitrov, D.;Kjurkchieva, D.;Jensen, E.;Cohen, D.;Kundra, E.;Pribulla, T.;Vaňko, M.;Budaj, J.;Mallonn, M.;Wu, Z.-Y.;Zhou, X.;Raetz, St;Adam, C.;Schmidt, T. O. B.;Ide, A.;Mugrauer, M.;Marschall, L.;Hackstein, M.;Chini, R.;Haas, M.;Ak, T.;Güzel, E.;Özdönmez, A.;Ginski, C.;Marka, C.;Schmidt, J. G.;Dincel, B.;Werner, K.;Dathe, A.;Greif, J.;Wolf, V.;Buder, S.;Pannicke, A.;Puchalski, D.;Neuhäuser, R. |
| 貢獻者: | 理學院天文研究所 |
| 關鍵詞: | Astronomical instruments;Astronomy;Extrasolar planets;Ground-based observation;Inclination;Orbitals;Orbits;Planets;Space telescopes;Stars & galaxies;Telescopes;Time measurements;Transit |
| 日期: | 2015-04-24 |
| 上傳時間: | 2026-04-21 14:34:52 (UTC+8) |
| 出版者: | Oxford University Press;London: Oxford University Press |
| 摘要: | 摘要： As part of our ongoing effort to investigate transit timing variations (TTVs) of known exoplanets, we monitored transits of the four exoplanets HAT-P-18b, HAT-P-19b, HAT-P-27b/WASP-40b and WASP-21b. All of them are suspected to show TTVs due to the known properties of their host systems based on the respective discovery papers. During the past three years 46 transit observations were carried out, mostly using telescopes of the Young Exoplanet Transit Initiative. The analyses are used to refine the systems’ orbital parameters. In all cases we found no hints for significant TTVs, or changes in the system parameters inclination, fractional stellar radius and planet-to-star radius ratio. However, comparing our results with those available in the literature shows that we can confirm the already published values.
出版者： London: Oxford University Press
出版日期： 2015-08-21
出處： Monthly notices of the Royal Astronomical Society, 2015-08, Vol.451 (4), p.4060-4072
資源來源： Alma/SFX Local Collection
版權： 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society 2015
版權： Copyright Oxford University Press, UK Aug 21, 2015
識別號： ISSN: 0035-8711
識別號： ISSN: 1365-8711
識別號： ISSN: 1365-2966
識別號： EISSN: 1365-2966
識別號： DOI: 10.1093/mnras/stv1187 |
| 顯示於類別: | [天文研究所] 期刊論文
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