R136c

**R136c**
	; The bright star to the left of the cluster core is R136c.
觀測資料; 曆元 J2000.0
星座	劍魚座
星官
赤經	5h 38m 42.90s
赤緯	−69° 06′ 04.83″
視星等（V）	12.86
特性
演化阶段	沃爾夫-拉葉星
光谱分类	WN5h
天体测定
距离	163,000 ly ; (49,970 pc)
绝对星等 (MV)	−7.9
	軌道
繞行週期 (P)	17.2051日
偏心率 (e)	0.31±0.08
半振幅 (K1); (primary)	51±9 km/s
詳細資料
質量	142 M☉
半徑	40.7 R☉
亮度	3,800,000 L☉
溫度	42,170 K
自轉速度 (v sin i)	<200 km/s
年齡	1.8 Myr
其他命名
	BAT99 112, RMC 136c, VFTS 1025
參考資料庫
SIMBAD	资料

R136c可能雙星系統，位於劍魚座 R136中。R136是大麥哲倫雲蜘蛛星雲 NGC 2070中心的一個緊密的恆星團。

NGC 2070是一個疏散星團，質量為450,000個太陽質量，包含10,000顆恆星^[6]。R136c的質量為142 M_☉，光度為380萬L_☉，是已知質量最大、最亮的恆星之一，同時也是溫度最高的恆星之一，溫度超過40,000K。

R136c於1980年首次被 Feitzinger 解析並命名，同時解析的還有R136a和R136b^[7]。

參考資料

^ ^1.0 ^1.1 ^1.2 ^1.3 Doran, E. I.; Crowther, P. A.; de Koter, A.; Evans, C. J.; McEvoy, C.; Walborn, N. R.; Bastian, N.; Bestenlehner, J. M.; Grafener, G.; Herrero, A.; Kohler, K.; Maiz Apellaniz, J.; Najarro, F.; Puls, J.; Sana, H.; Schneider, F. R. N.; Taylor, W. D.; van Loon, J. Th.; Vink, J. S. The VLT-FLAMES Tarantula Survey - XI. A census of the hot luminous stars and their feedback in 30 Doradus. Astronomy & Astrophysics. 2013, 558: A134. Bibcode:2013A&A...558A.134D. S2CID 118510909. arXiv:1308.3412v1 . doi:10.1051/0004-6361/201321824.
^ Crowther, Paul A.; Caballero-Nieves, S. M.; Bostroem, K. A.; Maíz Apellániz, J.; Schneider, F. R. N.; Walborn, N. R.; Angus, C. R.; Brott, I.; Bonanos, A.; De Koter, A.; De Mink, S. E.; Evans, C. J.; Gräfener, G.; Herrero, A.; Howarth, I. D.; Langer, N.; Lennon, D. J.; Puls, J.; Sana, H.; Vink, J. S. The R136 star cluster dissected with Hubble Space Telescope/STIS. I. Far-ultraviolet spectroscopic census and the origin of He II λ1640 in young star clusters. Monthly Notices of the Royal Astronomical Society. 2016, 458 (1): 624–659. Bibcode:2016MNRAS.458..624C. arXiv:1603.04994 . doi:10.1093/mnras/stw273 .
^ Pietrzyński, G; D. Graczyk; W. Gieren; I. B. Thompson; B. Pilecki; A. Udalski; I. Soszyński; et al. An eclipsing-binary distance to the Large Magellanic Cloud accurate to two per cent. Nature. 7 March 2013, 495 (7439): 76–79. Bibcode:2013Natur.495...76P. PMID 23467166. S2CID 4417699. arXiv:1303.2063 . doi:10.1038/nature11878.
^ Shenar, T.; Sana, H.; Crowther, P. A.; Bostroem, K. A.; Mahy, L.; Najarro, F.; Oskinova, L.; Sander, A. A. C. Constraints on the multiplicity of the most massive stars known: R136 a1, a2, a3, and C. Astronomy and Astrophysics. 2023, 679: A36. Bibcode:2023A&A...679A..36S. arXiv:2309.13113 . doi:10.1051/0004-6361/202346930.
^ ^5.0 ^5.1 Schneider, F. R. N.; Sana, H.; Evans, C. J.; Bestenlehner, J. M.; Castro, N.; Fossati, L.; Gräfener, G.; Langer, N.; Ramírez-Agudelo, O. H.; Sabín-Sanjulián, C.; Simón-Díaz, S.; Tramper, F.; Crowther, P. A.; de Koter, A.; de Mink, S. E.; Dufton, P. L.; Garcia, M.; Gieles, M.; Hénault-Brunet, V.; Herrero, A.; Izzard, R. G.; Kalari, V.; Lennon, D. J.; Maíz Apellániz, J.; Markova, N.; Najarro, F.; Podsiadlowski, Ph.; Puls, J.; Taylor, W. D.; van Loon, J. Th.; Vink, J. S.; Norman, C. An excess of massive stars in the local 30 Doradus starburst. Science. 2018, 359 (6371): 69–71. Bibcode:2018Sci...359...69S. PMID 29302009. S2CID 206658504. arXiv:1801.03107 . doi:10.1126/science.aan0106.
^ Bosch, Guillermo; Terlevich, Elena; Terlevich, Roberto. Gemini/GMOS Search for Massive Binaries in the Ionizing Cluster of 30 Dor. Astronomical Journal. 2009, 137 (2): 3437–3441. Bibcode:2009AJ....137.3437B. S2CID 17976455. arXiv:0811.4748 . doi:10.1088/0004-6256/137/2/3437.
^ Feitzinger, J. V.; Schlosser, W.; Schmidt-Kaler, T.; Winkler, C. The central object R 136 in the gas nebula 30 Doradus - Structure, color, mass and excitation parameter. Astronomy and Astrophysics. 1980, 84 (1–2): 50. Bibcode:1980A&A....84...50F.

[census-1] 1.0 ^1.1 ^1.2 ^1.3 Doran, E. I.; Crowther, P. A.; de Koter, A.; Evans, C. J.; McEvoy, C.; Walborn, N. R.; Bastian, N.; Bestenlehner, J. M.; Grafener, G.; Herrero, A.; Kohler, K.; Maiz Apellaniz, J.; Najarro, F.; Puls, J.; Sana, H.; Schneider, F. R. N.; Taylor, W. D.; van Loon, J. Th.; Vink, J. S. The VLT-FLAMES Tarantula Survey - XI. A census of the hot luminous stars and their feedback in 30 Doradus. Astronomy & Astrophysics. 2013, 558: A134. Bibcode:2013A&A...558A.134D. S2CID 118510909. arXiv:1308.3412v1 . doi:10.1051/0004-6361/201321824.

[crowther2016-2] Crowther, Paul A.; Caballero-Nieves, S. M.; Bostroem, K. A.; Maíz Apellániz, J.; Schneider, F. R. N.; Walborn, N. R.; Angus, C. R.; Brott, I.; Bonanos, A.; De Koter, A.; De Mink, S. E.; Evans, C. J.; Gräfener, G.; Herrero, A.; Howarth, I. D.; Langer, N.; Lennon, D. J.; Puls, J.; Sana, H.; Vink, J. S. The R136 star cluster dissected with Hubble Space Telescope/STIS. I. Far-ultraviolet spectroscopic census and the origin of He II λ1640 in young star clusters. Monthly Notices of the Royal Astronomical Society. 2016, 458 (1): 624–659. Bibcode:2016MNRAS.458..624C. arXiv:1603.04994 . doi:10.1093/mnras/stw273 .

[Nature-3] Pietrzyński, G; D. Graczyk; W. Gieren; I. B. Thompson; B. Pilecki; A. Udalski; I. Soszyński; et al. An eclipsing-binary distance to the Large Magellanic Cloud accurate to two per cent. Nature. 7 March 2013, 495 (7439): 76–79. Bibcode:2013Natur.495...76P. PMID 23467166. S2CID 4417699. arXiv:1303.2063 . doi:10.1038/nature11878.

[shenar2023-4] Shenar, T.; Sana, H.; Crowther, P. A.; Bostroem, K. A.; Mahy, L.; Najarro, F.; Oskinova, L.; Sander, A. A. C. Constraints on the multiplicity of the most massive stars known: R136 a1, a2, a3, and C. Astronomy and Astrophysics. 2023, 679: A36. Bibcode:2023A&A...679A..36S. arXiv:2309.13113 . doi:10.1051/0004-6361/202346930.

[schneider2018-5] 5.0 ^5.1 Schneider, F. R. N.; Sana, H.; Evans, C. J.; Bestenlehner, J. M.; Castro, N.; Fossati, L.; Gräfener, G.; Langer, N.; Ramírez-Agudelo, O. H.; Sabín-Sanjulián, C.; Simón-Díaz, S.; Tramper, F.; Crowther, P. A.; de Koter, A.; de Mink, S. E.; Dufton, P. L.; Garcia, M.; Gieles, M.; Hénault-Brunet, V.; Herrero, A.; Izzard, R. G.; Kalari, V.; Lennon, D. J.; Maíz Apellániz, J.; Markova, N.; Najarro, F.; Podsiadlowski, Ph.; Puls, J.; Taylor, W. D.; van Loon, J. Th.; Vink, J. S.; Norman, C. An excess of massive stars in the local 30 Doradus starburst. Science. 2018, 359 (6371): 69–71. Bibcode:2018Sci...359...69S. PMID 29302009. S2CID 206658504. arXiv:1801.03107 . doi:10.1126/science.aan0106.

[6] Bosch, Guillermo; Terlevich, Elena; Terlevich, Roberto. Gemini/GMOS Search for Massive Binaries in the Ionizing Cluster of 30 Dor. Astronomical Journal. 2009, 137 (2): 3437–3441. Bibcode:2009AJ....137.3437B. S2CID 17976455. arXiv:0811.4748 . doi:10.1088/0004-6256/137/2/3437.

[Feitzinger-7] Feitzinger, J. V.; Schlosser, W.; Schmidt-Kaler, T.; Winkler, C. The central object R 136 in the gas nebula 30 Doradus - Structure, color, mass and excitation parameter. Astronomy and Astrophysics. 1980, 84 (1–2): 50. Bibcode:1980A&A....84...50F.

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R136c

參考資料

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