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| 題名: | Long-term photometry of IC 348 with the Young Exoplanet Transit Initiative network |
| 作者: | 陳文屏;Fritzewski, D. J.;Kitze, M.;Mugrauer, M.;Neuhäuser, R.;Adam, C.;Briceño, C.;Buder, S.;Butterley, T.;Chen, W.-P.;Dinçel, B.;Dhillon, V. S.;Errmann, R.;Garai, Z.;Gilbert, H. F. W.;Ginski, C.;Greif, J.;Hardy, L. K.;Hernández, J.;Huang, P. C.;Kellerer, A.;Kundra, E.;Littlefair, S. P.;Mallonn, M.;Marka, C.;Pannicke, A.;Pribulla, T.;Raetz, St;Schmidt, J. G.;Schmidt, T. O. B.;Seeliger, M.;Wilson, R. W.;Wolf, V. |
| 貢獻者: | 理學院天文研究所 |
| 關鍵詞: | Astronomy;Binary stars;Double stars;Extrasolar planets;Field of view;Photometry;Space telescopes;Stars;Transit;Transportation networks;Variable stars |
| 日期: | 2016-11-01 |
| 上傳時間: | 2026-04-21 14:58:27 (UTC+8) |
| 出版者: | Oxford University Press;London: Oxford University Press |
| 摘要: | 摘要： We present long-term photometric observations of the young open cluster IC 348 with a baseline time-scale of 2.4 yr. Our study was conducted with several telescopes from the Young Exoplanet Transit Initiative (YETI) network in the Bessel R band to find periodic variability of young stars. We identified 87 stars in IC 348 to be periodically variable; 33 of them were unreported before. Additionally, we detected 61 periodic non-members of which 41 are new discoveries. Our wide field of view was the key to those numerous newly found variable stars. The distribution of rotation periods in IC 348 has always been of special interest. We investigate it further with our newly detected periods but we cannot find a statistically significant bimodality. We also report the detection of a close eclipsing binary in IC 348 composed of a low-mass stellar component (M ≳ 0.09 M⊙) and a K0 pre-main-sequence star (M ≈ 2.7 M⊙). Furthermore, we discovered three detached binaries among the background stars in our field of view and confirmed the period of a fourth one.
出版者： London: Oxford University Press
出版日期： 2016-11-01
出處： Monthly notices of the Royal Astronomical Society, 2016-11, Vol.462 (3), p.2396-2417
資源來源： Alma/SFX Local Collection
版權： 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society 2016
版權： Copyright Oxford University Press, UK Nov 1, 2016
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/stw1797 |
| 顯示於類別: | [天文研究所] 期刊論文
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