zh KSw 71

**KSw 71**
	; 「南瓜星」KSw 71的想像圖
觀測資料; 曆元 2000
星座	天琴座
星官
赤經	19h 37m 25.4837939s
赤緯	+41° 46′ 37.9462181″
視星等（V）	11.56±0.12
特性
光谱分类	K0-2 IV-III
视星等 (B)	12.44±0.22
视星等 (G)	11.2791±0.0015
视星等 (J)	9.604±0.019
视星等 (H)	8.986±0.028
视星等 (K)	8.868±0.025
天体测定
自行 (μ)	赤经：-1.497 mas/yr ; 赤纬：-5.555 mas/yr
视差 (π)	1.5221 ± 0.0261 mas
距离	167.98 ly ; (51.502 pc)
詳細資料
半徑	10.5 R☉
金屬量	-0.28 ± 0.30 dex
自轉	5.22 天
自轉速度 (v sin i)	98.6 – 116 km/s
其他命名
	TYC 3143-2014-1, KIC 6372268, 2MASS J19372548+4146378
參考資料庫
SIMBAD	资料

KSw 71是一顆高速自轉的扁橢球體恆星，該恆星是光譜型K型的巨星，半徑超過太陽10倍，被認為是兩顆距離極近的聯星系統成員恆星合併後形成^[5]。KSw71和其他南瓜形狀的恆星是由克卜勒太空望遠鏡與雨燕卫星的觀測資料發現。KSw 71的X射線高峰強度超過太陽100倍^[6]。

參考資料

^ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 ^1.6 ^1.7 SIMBAD Query Result: TYC 3143-2014-1 -- Eclipsing binary. SIMBAD. Centre de Données astronomiques de Strasbourg. 2019-01-17 [2019-01-17]. （原始内容存档于2019-01-17）.
^ ^2.0 ^2.1 ^2.2 ^2.3 ^2.4 Howell, Steve B.; Mason, Elena; Boyd, Patricia; Smith, Krista Lynne; Gelino, Dawn M. Rapidly Rotating, X-Ray Bright Stars in the Kepler Field. The Astrophysical Journal. 2016, 831: 27. arXiv:1608.07828v1 . doi:10.3847/0004-637X/831/1/27.
^ ^3.0 ^3.1 ^3.2 Cutri, R.M.; Skrutskie, M.F.; Van Dyk, S.; Beichman, C.A.; Carpenter, J.M.; Chester, T.; Cambresy, L.; Evans, T.; Fowler, J.; Gizis, J.; Howard, E.; Huchra, J.; Jarrett, T.; Kopan, E.L.; Kirkpatrick, J.D.; Light, R.M.; Marsh, K.A.; McCallon, H.; Schneider, S.; Stiening, R.; Sykes, M.; Weinberg, M.; Wheaton, W.A.; Wheelock, S.; Zacarias, N. 2MASS All Sky Catalog of point sources. VizieR Online Data Catalog (European Southern Observatory with data provided by the SAO/NASA Astrophysics Data System). June 2003, 2246. Bibcode:2003yCat.2246....0C.
^ ^4.0 ^4.1 NASA Exoplanet Archive. Kepler Stellar Data: Results of KIC 6372268. NASA/Caltech. NASA Exoplanet Science Institute. [2019-01-17]. ^{[永久失效連結]}
^ Astronomers Find Group of Fast-Spinning, X-ray Active Stars. Sci-News. 29 October 2016 [24 January 2017]. （原始内容存档于2020-11-08）.
^ Reddy, Francis. NASA Missions Harvest a Passel of ‘Pumpkin’ Stars. NASA. 27 October 2015 [30 October 2016]. （原始内容存档于2020-10-31）.

外部連結

YouTube上的"NASA's Kepler, Swift Missions Harvest ‘Pumpkin’ Stars"

这是一篇关于巨星的小作品。您可以通过编辑或修订扩充其内容。

[simbad-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 ^1.5 ^1.6 ^1.7 SIMBAD Query Result: TYC 3143-2014-1 -- Eclipsing binary. SIMBAD. Centre de Données astronomiques de Strasbourg. 2019-01-17 [2019-01-17]. （原始内容存档于2019-01-17）.

[howell-2] 2.0 ^2.1 ^2.2 ^2.3 ^2.4 Howell, Steve B.; Mason, Elena; Boyd, Patricia; Smith, Krista Lynne; Gelino, Dawn M. Rapidly Rotating, X-Ray Bright Stars in the Kepler Field. The Astrophysical Journal. 2016, 831: 27. arXiv:1608.07828v1 . doi:10.3847/0004-637X/831/1/27.

[2MASS_Cat-3] 3.0 ^3.1 ^3.2 Cutri, R.M.; Skrutskie, M.F.; Van Dyk, S.; Beichman, C.A.; Carpenter, J.M.; Chester, T.; Cambresy, L.; Evans, T.; Fowler, J.; Gizis, J.; Howard, E.; Huchra, J.; Jarrett, T.; Kopan, E.L.; Kirkpatrick, J.D.; Light, R.M.; Marsh, K.A.; McCallon, H.; Schneider, S.; Stiening, R.; Sykes, M.; Weinberg, M.; Wheaton, W.A.; Wheelock, S.; Zacarias, N. 2MASS All Sky Catalog of point sources. VizieR Online Data Catalog (European Southern Observatory with data provided by the SAO/NASA Astrophysics Data System). June 2003, 2246. Bibcode:2003yCat.2246....0C.

[NASA-4] 4.0 ^4.1 NASA Exoplanet Archive. Kepler Stellar Data: Results of KIC 6372268. NASA/Caltech. NASA Exoplanet Science Institute. [2019-01-17]. ^{[永久失效連結]}

[SciNews-5] Astronomers Find Group of Fast-Spinning, X-ray Active Stars. Sci-News. 29 October 2016 [24 January 2017]. （原始内容存档于2020-11-08）.

[NASA1-6] Reddy, Francis. NASA Missions Harvest a Passel of ‘Pumpkin’ Stars. NASA. 27 October 2015 [30 October 2016]. （原始内容存档于2020-10-31）.

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