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GSC 03089-00929

GSC 03089-00929
观测资料
历元 J2000.0
星座 武仙座
星官
赤经 17h 52m 07.020s[1]
赤纬 +37° 42′ 46.18″[1]
视星等(V) 12.4
特性
光谱分类G
视星等 (B)13.114 ±0.009[1]
视星等 (V)12.402 ±0.006[1] http.appmag_4_15.609±0.002[1]
视星等 (I)11.603000 ±0.010[1]
视星等 (J)11.015 ±0.022[1]
视星等 (H)10.655000 ±0.030[1]
视星等 (K)10.608000 ±0.028[1]
变星类型V*(1SWASP)[1][2]
天体测定
自行 (μ) 赤经:-22.5[1] mas/yr
赤纬:32.0[1] mas/yr
距离1300 ± 600 ly
(400 ± 200 pc)
详细资料
质量0.924 (−0.04+0.012) M
温度5720 ± 150 K
金属量-0.19 ± 0.08
其他命名
TrES-3 Parent Star, 1SWASP J175207.01+373246.3, UCAC2 45017453[1]
参考数据库
SIMBAD资料
系外行星百科资料

GSC 03089-00929 是一个位于武仙座方向,视星等12等的恒星,距离地球约1300光年。该恒星是与太阳类似的G型主序星,不过温度较低[1]。 在数据库 SIMBAD 中,该恒星经由超广角寻找行星计划的每次巡天确认为变星[3]

行星系统

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2007年 TrES 计划以凌日法发现该恒星有太阳系外行星 TrES-3b 环绕[4]

GSC 03089-00929的行星系
成员
(依恒星距离)
质量 半长轴
(AU)
轨道周期
()
离心率 倾角 半径
TrES-3b 1.92 ± 0.23 MJ 0.0226 ± 0.0013 1.30619 ± 0.00005 0

参见

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参考资料

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  1. ^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 SIMBAD query result: NAME TrES-3 Parent Star -- Star. Centre de Données astronomiques de Strasbourg. [2009-04-23]. (原始内容存档于2016-03-05). 
  2. ^ Lister el al; West, R. G.; Wilson, D. M.; Collier Cameron, A.; Clarkson, W. I.; Street, R. A.; Enoch, B.; Parley, N. R.; Christian, D. J. SuperWASP-North extrasolar planet candidates: candidates from fields 17h<RA<18h. 皇家天文学会月报. June 30, 2007, 379 (2): 647–662. Bibcode:2007MNRAS.379..647L. doi:10.1111/j.1365-2966.2007.11948.x. 
  3. ^ Objects in reference 2007MNRAS.379..647L. Centre de Données astronomiques de Strasbourg. [2009-05-03]. 
  4. ^ O'Donovan, Francis T.; Charbonneau, David; Bakos, Gáspár Á.; Mandushev, Georgi; Dunham, Edward W.; Brown, Timothy M.; Latham, David W.; Torres, Guillermo; Sozzetti, Alessandro; et al. TrES-3: A Nearby, Massive, Transiting Hot Jupiter in a 31-Hour Orbit. Astrophysical Journal Letters. July 1, 2007, 663 (1): L37–L40. Bibcode:2007ApJ...663L..37O. doi:10.1086/519793. 

外部链接

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GSC 03089-00929
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