HIP 116454 b

HIP 116454 b是一顆環繞恆星HIP 116454的太陽系外行星，距離地球55秒差距（180光年），在天球上位於雙魚座。該行星的直徑為32,000公里，質量約為地球的12倍^[1]^[2]。該行星由美國太空總署的克卜勒太空望遠鏡和加拿大的恆星微變和振盪望遠鏡（英語：MOST (satellite)）發現^[3]，並且是克卜勒太空望遠鏡在K2階段任務發現的第一顆細外行星。HIP 116454b於2014年12月18日宣佈發現^[4]。

更多資訊 太陽系外行星, 母恆星 ...

**HIP 116454 b**
母恆星
太陽系外行星		太陽系外行星列表
母恆星		HIP 116454
星座		雙魚座
赤經	(α)	23^h 35^m 49.28138^s
赤緯	(δ)	+00° 26′ 43.8578″
距離		7002180040000000000♠180.04±17.61 ly (7001552000000000000♠55.2±5.4 pc)
光譜類型		K0
軌道參數
軌道離心率	(e)	6999205000000000000♠0.205±0.072
公轉週期	(P)	7000912050000000000♠9.1205±0.0005 d
軌道傾角	(i)	7001884300000000000♠88.43±0.40°
物理性質
質量	(m)	7001118200000000000♠11.82±1.33 M_🜨
半徑	(r)	7000252999999999999♠2.53±0.18 R_🜨
密度	(ρ)	7000417000000000000♠4.17±1.08 g cm^-3
溫度	(T)	7002690000000000000♠690±14 K

關閉

參考資料

[1]
Overbye, Dennis. Kepler Spacecraft Finds New 'Super-Earth' 180 Light-Years Away. The New York Times. December 19, 2014 [December 19, 2014]. （原始內容存檔於2020-11-11）.
[2]
Wall, Mike. NASA's Kepler Spacecraft Finds 1st Alien Planet of New Mission. Yahoo! News. December 18, 2014 [December 19, 2014]. （原始內容存檔於2016-03-04）.
[3]
Shore, Randy. UBC astronomers help spot new 'waterworld' planet in our (galactic) neighbourhood. The Province（英語：The Province）. December 18, 2014 [December 18, 2014]. （原始內容存檔於2015年2月3日）.
[4]
Chou, Felicia; Johnson, Michele. NASA's Kepler Reborn, Makes First Exoplanet Find of New Mission. NASA. December 18, 2014 [December 19, 2014]. Release 14-335. （原始內容存檔於2014-12-19）.

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延伸閱讀

Vanderburg, Andrew; Montet, Benjamin T.; Johnson, John Asher; Buchhave, Lars A.; Zeng, Li; Pepe, Francesco; Cameron, Andrew Collier; Latham, David W.; Molinari, Emilio; Udry, Stephane; Lovis, Christophe; Matthews, Jaymie M.; Cameron, Chris; Law, Nicholas; Bowler, Brendan P.; Angus, Ruth; Baranec, Christoph; Bieryla, Allyson; Boschin, Walter; Charbonneau, David; Cosentino, Rosario; Dumusque, Xavier; Figueira, Pedro; Guenther, David B.; Harutyunyan, Avet; Hellier, Coel; Kuschnig, Rainer; Lopez-Morales, Mercedes; Mayor, Michel; Micela, Giusi; Moffat, Anthony F. J.; Pedani, Marco; Phillips, David F.; Piotto, Giampaolo; Pollacco, Don; Queloz, Didier; Rice, Ken; Riddle, Reed; Rowe, Jason F.; Rucinski, Slavek M.; Sasselov, Dimitar; Segransan, Damien; Sozzetti, Alessandro; Szentgyorgyi, Andrew; Watson, Chris; Weiss, Werner W. Characterizing K2 Planet Discoveries: A super-Earth transiting the bright K-dwarf HIP 116454. 2014-12. arXiv:1412.5674v1 .

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外部連結

HIP 116454（頁面存檔備份，存於互聯網檔案館） at SIMBAD
HIP 116454 at Extrasolar Planets Encyclopaedia

[nytimes20141219-1] [1]
Overbye, Dennis. Kepler Spacecraft Finds New 'Super-Earth' 180 Light-Years Away. The New York Times. December 19, 2014 [December 19, 2014]. （原始內容存檔於2020-11-11）.

[yahoo20141218-2] [2]
Wall, Mike. NASA's Kepler Spacecraft Finds 1st Alien Planet of New Mission. Yahoo! News. December 18, 2014 [December 19, 2014]. （原始內容存檔於2016-03-04）.

[province20141218-3] [3]
Shore, Randy. UBC astronomers help spot new 'waterworld' planet in our (galactic) neighbourhood. The Province（英語：The Province）. December 18, 2014 [December 18, 2014]. （原始內容存檔於2015年2月3日）.

[NASA-20141218-FC-4] [4]
Chou, Felicia; Johnson, Michele. NASA's Kepler Reborn, Makes First Exoplanet Find of New Mission. NASA. December 18, 2014 [December 19, 2014]. Release 14-335. （原始內容存檔於2014-12-19）.

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