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WASP-3c

WASP-3
观测资料
历元 J2000.0
星座 天琴座
星官
赤经 18h 34m 31.6249s[1]
赤纬 +35° 39′ 41.546″[1]
视星等(V) +10.485[1]
特性
光谱分类F7V[1]
视星等 (B)~11.01[1]
视星等 (V)~10.485[1]
视星等 (J)9.603±0.020[1]
视星等 (H)9.407±0.014[1]
视星等 (K)9.361±0.015[1]
变星类型V*(1SWASP)[1]
天体测定
自行 (μ) 赤经:-5.20[1] mas/yr
赤纬:-23.10[1] mas/yr
距离727 ly
(223 pc)
详细资料
质量1.24 −0.11+0.06 M
半径1.31 −0.12+0.06 R
温度6400 ±100 K
金属量0 (±0.2
其他命名
TYC 2636-195-1, 2MASS J18343163+3539415, USNO-B1.0 1256-00285133
参考数据库
SIMBAD资料
系外行星百科资料

WASP-3 是位于天琴座的一颗黄-白矮星,距离大约727光年光度10等的恒星[1]

行星系

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在2007年SuperWASP的专案发现了系外行星WASP-3b [2]

在2010年,依据WASP-3b凌星时间的变化,推断还有另一颗行星的存在 [3]。这颗被怀疑的行星经由额外的观测获得了证实,并命名为WASP-3c [4]

WASP-3c系统
伴星
(依照与恒星的距离)
质量 半长轴
(AU)
轨道周期
()
离心率
b 1.76+0.06
−0.14
 MJ
0.0317+0.0006
−0.0010
1.846834 ± 0.000002 0

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 SIMBAD query result: TYC 2636-195-1 -- Star. Centre de Données astronomiques de Strasbourg. [2009-05-04]. (原始内容存档于2013-07-07). 
  2. ^ Pollacco; Skillen, I.; Collier Cameron, A.; Loeillet, B.; Stempels, H. C.; Bouchy, F.; Gibson, N. P.; Hebb, L.; Hébrard, G.; et al. WASP-3b: a strongly irradiated transiting gas-giant planet. Monthly Notices of the Royal Astronomical Society. 2008, 385 (3): 1576–1584 [2010-07-13]. doi:10.1111/j.1365-2966.2008.12939.x. (原始内容存档于2010-06-14). 
  3. ^ Planet found tugging on transits页面存档备份,存于互联网档案馆), Astronomy Now, 9 July 2010
  4. ^ G.Maciejewski, D.Dimitrov, R.Neuhaeuser, A.Niedzielski, St.Raetz, Ch.Ginski, Ch.Adam, C.Marka, M.Moualla, M.Mugrauer. Transit timing variation in exoplanet WASP-3b. arXiv:1006.1348v1可免费查阅 [astro-ph.EP]. 

外部链接

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相关条目

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WASP-3c
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