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TrES-1

TrES-1
太阳系外行星 太阳系外行星列表

画家画下的TrES-1
母恒星
母恒星 GSC 02652-01324
星座 天琴座
赤经 (α) 19h 04m 09s
赤纬 (δ) +36° 37′ 57″
距离512 ± 20 ly (157 ± 6 pc)
光谱类型 K0V
轨道参数
半长轴 (a) 0.0393 ±
0.0007 AU
轨道离心率 (e) 0.135 ± 0.096
公转周期 (P) 3.030065 ±
0.000008 d
轨道倾角 (i) 88.2 ± 1°
角距 (θ) 0.25 mas
近星点近心点经度 (ω) 273°
近星点时间 (T0) 2,453,186.8060
± 0.002 JD
半振幅 (K) 115.2 ± 6.2 m/s
物理性质
质量(m)0.61 ± 0.06 MJ
半径(r)1.081+0.18-0.04 RJ
密度(ρ)642 kg m-3
表面重力(g)0.52 g
温度 (T) 1,060 ± 50 K
发现
发现时间 2004
发现者 Alonso et al.
发现方法 凌日法、径向速度
发现地点 Canary Islands
发表论文 出版

TrES-1是一个环绕着GSC 02652-01324太阳系外行星,他跟太阳系里的木星一样,都是气体行星,而且都适用组成的,但跟木星不一样的地方是它离它的母恒星很近,表面温度很高,因此天存学家把它规类于“热木星

参见

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TrES-1
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