克卜勒69(Kepler-69,舊稱KOI-172[1],或2MASS J19330262+4452080、 KIC 8692861[11]),是一顆天鵝座內與太陽相似的黃矮星,距離地球約2700光年(830秒差距)[2][3]。
行星系
克卜勒69旁有兩顆系外行星。克卜勒69b是一顆高溫超級地球。克卜勒69c也是一顆超級地球,體積大約是地球的1.7倍,位於克卜勒69的適居帶 [3][4]。
克卜勒69行星系[2]
行星編號 (以距離順序排列)
|
質量上限 (ME)
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軌道半長軸 (AU)
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軌道週期 (d)
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軌道離心率
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軌道傾角 (°)
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半徑 (RE)
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b
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null |
6998940000000000000♠0.094+0.023 −0.016 |
7001137223410000000♠13.722341+0.000035 −0.000036 |
6999160000000000000♠0.16+0.17 −0.0010 |
7001896200000000000♠89.62+0.26 −0.45 |
7000224000000000000♠2.24+0.44 −0.29
|
c
|
null |
6999640000000000000♠0.64+0.15 −0.11 |
7002242461300000000♠242.4613+0.0059 −0.0064 |
6999140000000000000♠0.14+0.18 −0.10 |
7001858500000000000♠85.85+0.03 −0.08 |
7000171000000000000♠1.71+0.34 −0.23
|
參考資料
- ^ 1.0 1.1 1.2 Staff. NASA Exoplanet Archive-KOI-172.02. CalTech. [2013-01-11]. (原始内容存档于2016-01-03).
- ^ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 Barclay, Thomas; et al. A super-Earth-sized planet orbiting in or near the habitable zone around Sun-like star. arXiv. 2013-04-17 [2013-04-18]. astro-ph.EP arXiv:1304.4941v1 astro-ph.EP . (原始内容存档于2015-11-07).
- ^ 3.0 3.1 3.2 3.3 Johnson, Michele; Harrington, J.D. NASA's Kepler Discovers Its Smallest 'Habitable Zone' Planets to Date. NASA. 2013-04-18 [2013-04-18]. (原始内容存档于2018-12-23).
- ^ 4.0 4.1 Overbye, Dennis. 2 Good Places to Live, 1,200 Light-Years Away. New York Times. 2013-04-18 [18 April 18]. (原始内容存档于2017-12-25).
- ^ Staff. Kepler KOI Search Results for KOI-172.02. Space Telescope Science Institute. 2013-01-07 [2013-01-11]. (原始内容存档于2015-10-02).
- ^ Graham, Keith P. Star Finder for KIC=8692861. CThreePO.com. 2008 [2013-01-11]. (原始内容存档于2013-11-02).
- ^ Harrington, J. D.; Johnson, Michele. NASA'S Kepler Mission Discovers 461 New Planet Candidates. NASA. 2013-01-07 [2013-01-11]. (原始内容存档于2013-05-19).
- ^ Moskowitz, Clara. Most Earth-Like Alien Planet Possibly Found. Space.com. 2013-01-09 [2013-01-09]. (原始内容存档于2015-11-19).
- ^ Borucki, William J.; et al.. Characteristics of planetary candidates observed by Kepler, II: Analysis of the first four months of data. The Astrophysical Journal. 2011-07-20, 736: 19 [2013-01-12]. Bibcode:2011ApJ...736...19B. arXiv:1102.0541 . doi:10.1088/0004-637X/736/1/19. (原始内容存档于2014-07-14).
- ^ Johnston, Wm. Robert. List of Extrasolar Planets. JohnstonArchive.com. 2011-10-02 [2013-01-11]. (原始内容存档于2014-03-27).
- ^ KIC 8692861. [2013-04-21]. (原始内容存档于2013-11-02).
外部連結