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跨大西洋系外行星搜寻计划

跨大西洋系外行星搜寻计划Trans-atlantic Exoplanet SurveyTrES,或译为大西洋两岸太阳系外行星调查跨大西洋太阳系外行星调查)是使用分别位于罗威尔天文台帕洛马山天文台加那利群岛的三个口径 4 英寸望远镜寻找太阳系外行星的一项计划。该计划使用小型且相对廉价的望远镜组成特别设计观测太阳系外行星通过恒星盘面的网络。

概要

本计划使用三个装有CCD相机的口径 4 英寸施密特摄星仪进行自动化周期蒐寻。主持的科学家是哈佛-史密松天体物理中心大卫·夏邦诺美国国家大气研究中心的提摩西·布朗、罗威尔天文台的爱德华·邓汉(Edward Dunham) [1]

发现的行星

TrES 目前已发现五颗系外行星;都是以凌日法发现。注意,发现报告中行星名称后面不加字母 “b”。虽然以下表格中有会加上该字母,但使用的是发现者分配的名称。

恒星 星座 赤经 赤纬 视星等 距离 (ly) 光谱分类 行星 质量
(MJ)
半径
(RJ)
轨道周期
(d)
轨道半长轴
(AU)
轨道离心率 轨道倾角
(°)
发现年
GSC 02652-01324[1] 天琴座 19h 04m 09s +36° 37′ 57″ 11.79 512 K0V TrES-1 0.61 1.081 3.030065 0.0393 0.135 88.2 2004
GSC 03549-02811 天龙座 19h 07m 14s +49° 18′ 59″ 11.41 750 ± 30 G0V TrES-2b 1.199 1.272 2.47063 0.03556 0 83.62 2006
GSC 03089-00929 武仙座 17h 52m 07s +37° 32′ 46″ 12.4 1300 G TrES-3 1.92 1.295 1.30619 0.0226 ? 82.15 2007
GSC 02620-00648 武仙座 17h 53m 13s +37° 12′ 42″ 11.592 1400 F8 TrES-4 0.919 1.799 3.553945 0.05091 0 82.86 2007
GSC 03949-00967[2] 天鹅座 20h 20m 53s +59° 26′ 56″ 13.718 1170 G TrES-5 1.778 1.209 1.4822446 0.02446 ? 84.529 2011

参见

TrES 观测的光变曲线资料可在NASA Star and Exoplanet Database取得。

类似的搜寻计划

寻找太阳系外行星探测器

参考资料

  1. ^ 1.0 1.1 Alonso, Roi; et al. TrES-1: The Transiting Planet of a Bright K0V Star. The Astrophysical Journal Letters. 2004, 613 (2): L153–L156. Bibcode:2004ApJ...613L.153A. arXiv:astro-ph/0408421可免费查阅. doi:10.1086/425256. 
  2. ^ Mandushev, Georgi; et al. TrES-5: A Massive Jupiter-sized Planet Transiting A Cool G-dwarf. The Astrophysical Journal. 2011, 741 (2): 114. Bibcode:2011ApJ...741..114M. arXiv:arXiv:1108.3572可免费查阅 请检查|arxiv=值 (帮助). doi:10.1088/0004-637X/741/2/114. 

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跨大西洋系外行星搜寻计划
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