List of hottest stars

This is a list of hottest stars so far discovered (excluding degenerate stars), arranged by decreasing temperature. The stars with temperatures higher than 60,000 K are included.

List
This list is incomplete; you can help by adding missing items with reliable sources.
Star name Effective
Temperature
(K)		 Mass
(M☉)		 Luminosity
(L☉)		 Spectral type Distance
(light years)		 Ref.
WR 102 210,000 19 282,000 WO2 9,800 [1]
WR 142 200,000 20 245,000 WO2 5,400 [2]
LMC195-1 200,000 WO2 160,000 [3]
BAT 99-123 170,000 17 160,000 WO3 [4]
WR 93b 160,000 8.1 200,000 WO3 8,800 [4]
IC 1613 DR1 150,000 20 480,000 WO3 [5]
LH41-1042 150,000 8.4 180,000 WO4 [4]
BAT99-2 141,000 13 234,000 WN2 ~160,000
WR 2 141,000 282,000 WN2 8,200
AB8 141,000 19 1,400,000 WO4 197,000 [4]
WR 9 (WR) 139,700 9 500,000 WC4 14,900
WR 30a (WR) 129,500 7.5-9.7 195,000 WO4 25,340 [6]
WR 143 (WR) 117,000 WC4
WR 46 112,200 14 630,000 WN3 13,000
HD 56925 112,000 16 280,000 WN4-s 14,000
AB7 105,000 23 1,259,000 WN4 197,000 [7]
AG Pegasi 100,000 0.6 3,700 White dwarf 3,100
EZ CMa 89,100 23 380,000 WN4 5,900 [8]
Theta Muscae 83,000 WC5 7,500
The stars of Lynx Arc 80,000 12,000,000,000
WR 45 78,000 WC6
WR 86 71,000 WC7
WR 136 70,800 15 260,000 WN6(h)-s 2,400
WR 19 70,000 WN4 [9]
WR 1 70,000 WN4b [9]
WR 134 63,100 19 400,000 WN6-s 6,000
WR 149 60,000 WN5
WR102f 60,000 200,000 WC8 26,000

See also

References
  1. Sander, A.; Hamann, W. -R.; Todt, H. (2012). "The Galactic WC stars". Astronomy & Astrophysics. 540: A144. arXiv:1201.6354. Bibcode:2012A&A...540A.144S. doi:10.1051/0004-6361/201117830.
  2. Sokal, Kimberly R.; Skinner, Stephen L.; Zhekov, Svetozar A.; Güdel, Manuel; Schmutz, Werner (2010). "Chandra detects the rare oxygen-type Wolf–Rayet star WR 142 and OB stars in Berkeley 87". The Astrophysical Journal. 715 (2): 1327–1337. arXiv:1004.0462. Bibcode:2010ApJ...715.1327S. doi:10.1088/0004-637X/715/2/1327.
  3. Massey, Philip (2014). "A modern search for Wolf–Rayet stars in the Magellanic Clouds: First results". The Astrophysical Journal. 788 (1): 83. arXiv:1404.7441. Bibcode:2014ApJ...788...83M. doi:10.1088/0004-637X/788/1/83.
  4. Tramper, F.; Straal, S. M.; Sanyal, D.; Sana, H.; De Koter, A.; Gräfener, G.; Langer, N.; Vink, J. S.; De Mink, S. E.; Kaper, L. (2015). "Massive stars on the verge of exploding: The properties of oxygen sequence Wolf-Rayet stars". Astronomy & Astrophysics. 581: A110. arXiv:1507.00839. Bibcode:2015A&A...581A.110T. doi:10.1051/0004-6361/201425390.
  5. Tramper, F.; Gräfener, G.; Hartoog, O. E.; Sana, H.; De Koter, A.; Vink, J. S.; Ellerbroek, L. E.; Langer, N.; Garcia, M.; Kaper, L.; De Mink, S. E. (2013). "On the nature of WO stars: A quantitative analysis of the WO3 star DR1 in IC 1613". Astronomy & Astrophysics. 559: A72. arXiv:1310.2849. Bibcode:2013A&A...559A..72T. doi:10.1051/0004-6361/201322155.
  6. Nugis, T.; Lamers, H. J. G. L. M. (2000). "Mass-loss rates of Wolf-Rayet stars as a function of stellar parameters". Astronomy and Astrophysics. 360: 227. Bibcode:2000A&A...360..227N.
  7. Shenar, T.; Hainich, R.; Todt, H.; Sander, A.; Hamann, W.-R.; Moffat, A. F. J.; Eldridge, J. J.; Pablo, H.; Oskinova, L. M.; Richardson, N. D. (2016). "Wolf-Rayet stars in the Small Magellanic Cloud: II. Analysis of the binaries". Astronomy & Astrophysics. 1604: A22. arXiv:1604.01022. Bibcode:2016A&A...591A..22S. doi:10.1051/0004-6361/201527916.
  8. Sota, A.; Maíz Apellániz, J.; Morrell, N. I.; Barbá, R. H.; Walborn, N. R.; Gamen, R. C.; Arias, J. I.; Alfaro, E. J.; Oskinova, L. M. (2019). "The Galactic WN stars revisited. Impact of Gaia distances on fundamental stellar parameters". Astronomy & Astrophysics. A57: 625. arXiv:1904.04687. doi:10.1051/0004-6361/201834850. S2CID 104292503.
  9. Galactic Wolf Rayet Catalogue
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