List of Wolf-Rayet stars

This is a list of Wolf-Rayet stars, in order of their distance from Earth.[1][2][3]

List

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Milky Way Galaxy

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Star system Nebula Median distance (ly) Stars in system Spectral type Apparent magnitude (V) Comments and references
Gamma² Velorum (WR 11/Suhail al Muhlif/Regor) 1096+26
−23
2 WC8 1.83 The Closest Wolf-Rayet star to Earth.
HD 45166 3,232 2 qWR 9.88 The primary of HD 45166 is currently the only known example of a qWR star.
HD 112313 3,377.2±153.6 1 WC Center star of NGC 4361 Nebula.
WR 142   4,000 1 WO2 12.94
HD 151932 (WR 78) 4,100 1 WN7h 6.45 - 6.61
HD 326823 (V1104 Scorpii) 4,142 1 WNpec 9.03
HD 151932 (WR 78) 4,200 1 WN7h 6.45 - 6.61
EZ Canis Majoris (WR 6)   4,900 1 WN4-s 6.91
WR 111 (HD 165763) 5,316+320
−230
1 WC5 +7.82
WR 140 (SBC9 1232)   5,600 ± 300 2 WC7p 6.85
HD 152408 (WR 79a)   5,600 1 WN9ha 5.81-5.85
WR 93 5,900 1 WC7
WR 133 (V1676 Cyg) 6,100 ± 300 2 WN5o 6.75 - 6.84
HD 152408 (WR 79a) 6,500 1 WN9ha 5.81-5.85
WR 25 (HD 93162)   6,500 2 O2.5If*/WN6 8.80
Apep (WR 70-16)   6523+400
−300
3 WR + WR
CV Serpentis (WR 113) 6,700 ± 200 2 WC8d 9.08
WR 136 (HD 192163)   6,700 ± 500 1 WN6(h)-s 7.50
WR 86 6849 ± 800 1 WR 9.27
HD 83535 7,270 1 WC3 Central star of NGC 2867 Nebula.
Theta Muscae (WR 48a) 7,400 4 WC5/6 5.53
WR 93b   7,600 ± 500 1 WO3 15.2
WR 2 8,186 1 WN2-w 11.33
WR 22 (V429 Carinae)   8,300 ± 700 2 WN7h 6.42
WR 104 (V5097 Sgr)   8,400 3 WC9d 13.28 + 15.36
AG Pegasi 9,000 2 WR 6.0 - 9.4
WR 8 9,000 1 WR
WR 46 (DI Crucis) 9,300 ± 900 1 WN3p-w 10.83
WR 3 9,458+520
−390
1 WN3-hw 10.69
WR 102 9,500 ± 600 1 WO2 14.10
WR 138 10,000 1 WR
WR 1 10,500 ± 500 1 WN4-s 10.54
WR 157 11285.01 1 WN4.5 Member of Markarian 50 Cluster.
WR 69 11,350 1 WC9d 9.1
WR 9 12,000 ± 600 2 WC4 10.50
WR 142a 13,000 1 WR
WR 21a 13,100 ± 700 1 O3/WN5ha + O3Vz((f*)) 12.661
CD Crucis (WR 47) 14,000 2 WN6o 10.81
WR 120–6 14,000 1 WN4 It is the central star of Abell 48 Planetary Nebula.
WR 24 (HD 93131) 14,000 1 WN6ha-w 6.48 - 6.50
WR 20a 14,000 ± 1,000 2 O3If*/WN6 + O3If*/WN6 13.28
WR 142b 15,000 1 WR
WR 7 (HD 56925) 16,000 1 WN4-s 11.56
AG Carinae 17,000 ± 1,000 2 WN11 6.96
WR 12 (V378 Velorum) 19,000 ± 1,000 1 WN8h 10.78
OAO 1657-415 20,000 1 Ofpe/WN9 >23
WR 124 (QR Sagittae) 21,000 ± 2,000 1 WN8h 11.50±0.11
WR 30a 21,917+1,400
−1,090
1 WO4
Cygnus X-3 (WR 145a/V1521 Cyg) 24,135±1,100 1 WN 4–6
NGC 3603-A1 (WR 43a/HD 97950A1) 24,800 2 WN6h+WN6h 11.18
NGC 3603-B (WR 43b/HD 97950B) 24,800 1 WN6h 11.33
NGC 3603-C (WR 43c/HD 97950C) 24,800 1 WN6h 11.89
HD 97950 (WR 43) 25,000 1 WR 9.03 It is the central core of a super star cluster within the NGC 3603 H II region (similar to R136 within the Tarantula Nebula).
Arches-F1 (WR 102ad) 25,000 1 WN8-9h
Arches-F6 (WR 102ah) 25,000 1 WN8-9h
Arches-F9 (WR 102ae) 25,000 1 WN8-9h
WR 42e (2MASS J11144550-115001) 25,000 1 O3If*/WN6 14.53
G0.059-0.068 26,000 1 B0-1Ia+/WNLh
G0.238-0.071 26,000 1 WN11h Present in the Galactic Center region of Milky Way.
WR 102ka (Peony Star) 26,000 1 Ofpe/WN9
WR 102c 26,000 1 WN6 11.6
WR 102ea 26,000 1 WN9h 8.8
GCIRS 13E (WR 101f) 26,000 1 WR Located near Galactic Center.
GCIRS 16SW 26,000 1 Ofpe/WN9 Located near Galactic Center.
WR 101-2 (CXOGC J174516.1-284909) 26,092 1 Ofpe/WN9
WR 31a (Hen 3-519) 28,000 1 WN11h 10.85
WR 102e 28,000 1 WR
WR 150 28,473+1,700
−1,380
1 WC5 13.47
HD 826 30,000 1 WC8 Center Star of NGC 40 Nebula.
WR 102b 31,000 1 WR
Mercer 30-1 A (WR 46-3 A) 40,000 1 WR
Mercer 30-7 A 40,000 1 WR

Magellanic Clouds

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The Large Magellanic Cloud (LMC) is around 163 kly distant and the Small Magellanic Cloud (SMC) is around 204 kly distant

Host galaxy Star system Median distance (ly) Stars in system Spectral type Apparent magnitude (V) Comments and references
LMC LMC195-1 160,000 1 WO2 15.15
LMC LH 41-1042 160,000 1 WO4 13.95
LMC R145 (HD 269928) 163,000 2 WN6h + O3.5If*/WN7 12.04
LMC HD 38282 (BAT99-118/Brey 89) 163,000 2 WN5-6h + WN6-7h 11.11
LMC BAT99-7 163,000 1 WN4b 13.81
LMC BAT99-123 (Brey 93) 163,000 1 WO3 15.204
LMC Melnick 34 (BAT99-116) 163,000 2 WN5h + WN5h 13.09
LMC R136a1 (RMC 136a1) 163,000 1 WN5h 12.23
LMC R136a2 (RMC 136a2) 163,000 1 WN5h 12.34
LMC R136a3 163,000 1 WN5h 12.97
LMC R136c 163,000 1 WN5h 12.86
LMC R71 (HD 269006) 164,000 1 WR 8.7 - 9.9 - 11.2
LMC VFTS 457 164,000 1 O3.5If*/WN7
LMC VFTS 482 164,000 1 O3If*/WN6-A
LMC VFTS 545 164,000 1 O2If*/WN5
LMC VFTS 682 164,000 1 WN5h 16.08
LMC VFTS 1022 164,000 1 O3.5If*/WN7
LMC R134 164,000 1 WR
LMC R146 164,000 1 WN4
LMC BAT99-98 165,000 1 WN6 13.38
LMC R99 165,000 1 Ofpe/WN10 11.46
SMC SMC AB7 197,000 2 WN4 13.016
SMC SMC AB8 197,000 2 WO4 12.83
SMC HD 5980 200,000 1 WN4 8.8 - 11.9

Andromeda Galaxy and Triangulum Galaxy

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The Andromeda Galaxy (M31) is 2.5 Mly distant and the Triangulum Galaxy is around 3.2 Mly distant

Host galaxy Star system Median distance (ly) Stars in system Spectral type Apparent magnitude (V) Comments and references
Triangulum [BMS2003] 867 2,700,000 2 O4Iab+O4Ia
Triangulum Romano's Star 2,700,000 2 WN8h–WN11h 16.5–18.8

Other Galaxies

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Host Galaxy Star system Median distance (ly) Stars in system Spectral type Apparent magnitude (V) Comments and references
NGC 6822 NGC 6822-WR 12 (LGGS J194513.50-144512.9) 1,540,000 1 WN4 18.96

See also

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References

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  1. ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ Barry, Don C. (January 1970), "Spectral Classification of a and F Stars", Astrophysical Journal Supplement, 19: 281, Bibcode:1970ApJS...19..281B, doi:10.1086/190209.
  3. ^ Frost, E. B. (December 1924), "Fourteen spectroscopic binaries", Astrophysical Journal, 60: 319–320, Bibcode:1924ApJ....60..319F, doi:10.1086/142868.