List of Wolf-Rayet stars

Last updated

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

Contents

List

Milky Way Galaxy

Star system ← ← Star ImageMedian distance (ly) Spectral type Apparent magnitude (V)Comments and references
Gamma² Velorum A (WR 11/Suhail al Muhlif/Regor) Cr 173 (Vela OB2).jpg 1096+26
−23		WC81.83The Closest Wolf-Rayet star to Earth. Gamma² Velorum has a O-type companion star.
WR 147 A2,100±200WN8h13.86 + 16.02Has a B-type companion star.
HD 45166 A3,232qWR9.88The primary of HD 45166 is currently the only known example of a qWR star and has a B-type companion star.
HD 107969 N4361s.jpg 3,377.2±153.6WCCenter star of NGC 4361 Nebula.
WR 142 Sadr Region rgb.jpg 4,000WO212.94
HD 326823 (V1104 Scorpii)4,142WNpec9.03
HD 151932 (WR 78)4,200WN7h6.45 - 6.61
EZ Canis Majoris (WR 6) Sh2-308.jpg 4,900WN4-s6.91
WR 144 5,120WC4
WR 111 (HD 165763)5,316+320
−230		WC5+7.82
WR 140 A (SBC9 1232) WR140.png 5,600 ± 300WC7p6.85
HD 152408 (WR 79a) The Prawn Nebula in Scorpius.jpg 5,600WN9ha5.81-5.85
WR 93 5,900WC7
WR 134 WR-134.png 6,000WN6-s8.08
WR 135 6,000WC88.11
WR 133 A (V1676 Cyg)6,100 ± 300WN5o6.75 - 6.84
HD 152408 (WR 79a)6,500WN9ha5.81-5.85
WR 25 A (HD 93162) Carina Nebula by ESO.jpg 6,500O2.5If*/WN68.80
Apep (WR 70-16) The triple star system 2XMM J160050.7-514245 (Apep).jpg 6523+400
−300		WR + WR
CV Serpentis (WR 113)6,700 ± 200WC8d9.08
WR 136 (HD 192163) NGC 6888 HOO By Don Christopher Deaver.jpg 6,700 ± 500WN6(h)-s7.50
WR 86 6849 ± 800WR9.27
HD 192641 (WR 137) [4]
JWST images of carbon-rich Wolf-Rayet binaries.jpg
6850+600
−500		WC7pd+O9Ve
WR 114 7,200 ± 600WC512.02
HD 83535 Abell33s.jpg 7,270WC3Central star of NGC 2867 Nebula.
Theta Muscae (WR 48)7,400WC5/65.53
WR 93b Antares overlooking an Auxiliary Telescope.jpg 7,600 ± 500WO315.2
PG 1159 8,000WCCentral star of Engraved Hourglass Nebula.
WR 2 8,186WN2-w11.33
WR 22 (V429 Carinae) Carina Nebula around the Wolf-Rayet star WR 22.jpg 8,300 ± 700WN7h6.42
WR 104 (V5097 Sgr) Wr104 sslkeck big.jpg 8,400WC9d13.28 + 15.36
AG Pegasi 9,000WR6.0 - 9.4
WR 8 WR
WR 46 (DI Crucis) Crux.jpg 9,300 ± 900WN3p-w10.83
WR 3 9,458+520
−390		WN3-hw10.69
WR 128 9,500WN4(h)-w10.51
WR 102 9,500 ± 600WO214.10
WR 138 10,000WR
WR 120 10,000WN7w + WN3/411.93
WR 119 10,500WC9d12.06
WR 1 10,500 ± 500WN4-s10.54
WR 112 [4] WR 112 JWST MIRI.jpg 11050+2900
−2750		WC8-9d+OB
WR 157 11285.01WN4.5Member of Markarian 50 Cluster.
WR 69 11,350WC9d9.1
WR 156 11,900 ± 500WN8h11.01
WR 9 12,000 ± 600WC410.50
WR 48a [4] WR 48a ver2.jpg 12,400 ± 2000WC8d+Oe
WR 142a 13,000WR
WR 21a Westerlund 2.jpg 13,100 ± 700O3/WN5ha + O3Vz((f*))12.661
WR 138a 13,698WN9h15.44
CD Crucis (WR 47)14,000WN6o10.81
WR 120–6 WN4It is the central star of Abell 48 Planetary Nebula.
WR 24 (HD 93131) The spectacular star-forming Carina Nebula imaged by the VLT Survey Telescope.jpg WN6ha-w6.48 - 6.50
WR 20a NASA Unveils Celestial Fireworks as Official Hubble 25th Anniversary Image.jpg 14,000 ± 1,000O3If*/WN6 + O3If*/WN613.28
WR 142b 15,000WR
WR 7 (HD 56925) NGC 2359, Thor's Helmet (core).jpg 16,000WN4-s11.56
AG Carinae A closer look at Hubble's 31st anniversary snapshot (51484874537).jpg 17,000 ± 1,000WN116.96
WR 12 (V378 Velorum)19,000 ± 1,000WN8h10.78
MR 93 (WR 125) [4]
JWST images of carbon-rich Wolf-Rayet binaries.jpg
19200+2350
−1900		WC7d+O9III
OAO 1657-415 20,000Ofpe/WN9>23
WR 124 (QR Sagittae) Wolf-Rayet 124 (NIRCam and MIRI composite image).tif 21,000 ± 2,000WN8h11.50±0.11
WR 30a DSS Image of Eta Carinae Nebula.jpg 21,917+1,400
−1,090		WO4
WR 121-16 23,190WN7o/WC14.02
Cygnus X-3 (WR 145a/V1521 Cyg)24,135±1,100WN 4–6
NGC 3603-A1 (WR 43a/HD 97950A1) Stellar nursery NGC 3603.jpg 24,800WN6h+WN6h11.18Part of NGC 3603 Nebula.
NGC 3603-B (WR 43b/HD 97950B)WN6h11.33
NGC 3603-C (WR 43c/HD 97950C)WN6h11.89
NGC 3603 MTT 58 (WR 43-2)O2If*/WN6
HD 97950 (WR 43) NGC 3603b.jpg 25,000WR9.03It is the central core of a super star cluster within the NGC 3603 H II region (similar to R136 within the Tarantula Nebula).
Arches-B1 (WR 102bc) Arches Cluster hubble friday 05292015.jpg WN8-9hPart of Arches Cluster.
Arches-F1 (WR 102ad)WN8-9h
Arches-F2 (WR 102aa)WN8–9h

O5–6 Ia+ ||

Arches-F3 (WR 102bb)WN8-9h
Arches-F4 (WR 102al)WN7–8h
Arches-F5 (WR 102ai)WN8-9h
Arches-F6 (WR 102ah)WN8-9h
Arches-F7 (WR 102aj)WN8-9h
Arches-F8 (WR 102ag)WN8-9h
Arches-F9 (WR 102ae)WN8-9h
Arches-F10 (WR 102ab)O7–8 Ia+
Arches-F12 (WR 102af)WN7–8h
Arches-F14 (WR 102ba)WN8-9h
Arches-F16 (WR 102ak)WN8-9h
Arches-F17 (WR 102ac)O5–6 Ia+
WR 42e (2MASS J11144550-115001)O3If*/WN614.53
G0.059-0.068 26,000B0-1Ia+/WNLh
G0.238-0.071 WN11hPresent in the Galactic Center region of Milky Way.
WR 102ka (Peony Star) Peony nebula.jpg 26,000Ofpe/WN9
WR 102c Uncovering the secrets of the Quintuplet Cluster.jpg WN611.6Part of Quintuplet cluster.
WR 102ea WN9h8.8
WR 102da WC9?d
WR 102dc WC9d + OB
WR 102ha WC8/9d + OB
WR 102dd WC9d
WR 102hb WN9h
WR 102db WC9?d
WR 102f WC8
WR 102df O6–8 I f (Of/WN?)
WR 102i WN9h
WR 102d WN9h
LHO 79 WC9d
GCIRS 13E (WR 101f)26,000WRLocated near Galactic Center.
GCIRS 16SW Ofpe/WN9Located near Galactic Center.
WR 101-2 (CXOGC J174516.1-284909)26,092Ofpe/WN9
WR 148 27,000WN8h + O5V?10.3
WR 31a (Hen 3-519) WR 31a.jpg 28,000WN11h10.85
WR 102e WR
WR 15028,473+1,700
−1,380		WC513.47
HD 826 NGC 40 Ps1.png 30,000WC8Center Star of NGC 40 Nebula.
WR 102b 31,000WR
Mercer 30-1 A (WR 46-3 A)40,000WR
Mercer 30-7 AWR

Magellanic Clouds

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

Host galaxyStar systemMedian distance (ly) Spectral type Apparent magnitude (V)Comments and references
LMC LMC195-1 160,000WO215.15
LH 41-1042 WO413.95
R145 (HD 269928)163,000WN6h + O3.5If*/WN712.04
HD 38282 (BAT99-118/Brey 89)WN5-6h + WN6-7h11.11
BAT99-7 WN4b13.81
BAT99-59 WRCentral star of NGC 2020.
BAT99-123 (Brey 93)WO315.204
Melnick 34 (BAT99-116)WN5h + WN5h13.09
R136a1 (RMC 136a1)WN5h12.23
R136a2 (RMC 136a2)WN5h12.34
R136a3 WN5h12.97
R136c WN5h12.86
R71 (HD 269006)164,000WR8.7 - 9.9 - 11.2
VFTS 457 O3.5If*/WN7
VFTS 482 O3If*/WN6-A
VFTS 545 O2If*/WN5
VFTS 682 WN5h16.08
VFTS 1022 O3.5If*/WN7
R134 WR
R146 WN4
BAT99-98 165,000WN613.38
R99 Ofpe/WN1011.46
SMC SMC AB7 197,000WN413.016
SMC AB8 WO412.83
HD 5980 200,000WN48.8 - 11.9

Andromeda Galaxy and Triangulum Galaxy

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

Host galaxyStar systemMedian distance (ly) Spectral type Apparent magnitude (V)Comments and references
Triangulum [BMS2003] 867 2,700,000O4Iab+O4Ia
Romano's Star WN8h–WN11h16.5–18.8

Other galaxies

Host GalaxyStar systemMedian distance (ly) Spectral type Apparent magnitude (V)Comments and references
NGC 6822 NGC 6822-WR 12 (LGGS J194513.50-144512.9)1,540,000WN418.96
IC 1613 DR1 (CAIRNS J010501.61+020420.6)2,350,000WO319.857 [5]
IC 10 IC 10 X-1 A2,500,000 ± 0.5WRHas a Black hole companion.
NGC 300 NGC 300 X-1 A6,070,000 ± 0.23WRHas a Black hole companion.
NGC 300 STWR 13 6,070,000 ± 0.23WO4

See also

References

  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.
  4. 1 2 3 4 Richardson, Noel D.; Henson, Micaela; Lieb, Emma P.; Kehl, Corey; Lau, Ryan M.; Williams, Peredur M.; Corcoran, Michael F.; Callingham, J. R.; Chené, André-Nicolas; Gull, Theodore R.; Hamaguchi, Kenji; Han, Yinuo; Hankins, Matthew J.; Hill, Grant M.; Hoffman, Jennifer L. (2025-07-07). "Carbon-rich dust injected into the interstellar medium by Galactic WC binaries survives for hundreds of years". The Astrophysical Journal. 987 (160): 160. arXiv: 2505.11616 . Bibcode:2025ApJ...987..160R. doi: 10.3847/1538-4357/addf30 .
  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 . ISSN   0004-6361.
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