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List of supernova candidates
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This is a list of supernova candidates, or stars that are believed to soon become supernovae. Type II supernova progenitors include stars with at least 8–10 solar masses that are in the final stages of their evolution. Prominent examples of stars in this mass range include Antares, Spica, Gamma Velorum, Mu Cephei, and members of the Quintuplet Cluster. Type Ia supernova progenitors are white dwarf stars that are close to the Chandrasekhar limit of about 1.44 solar masses and are accreting matter from a binary companion star.
The list includes massive Wolf–Rayet stars, which may become Type Ib/Ic supernovae, particularly oxygen-sequence (Wolf–Rayet WO) stars. As of 2023, most of these candidates are in the Milky Way galaxy; however, five oxygen-sequence Wolf–Rayet stars are also known in other galaxies.
Table
| Identifier | Epoch J2000 | Constellation | Distance | Spectral | Evolutionary stage | Possible supernova | Notes | R. A. | Dec. | |||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wolf 1130 | Cygnus | M3 + D | Main sequence + white dwarf | Ia | last1=Mace | first1=Gregory N. | last2=Mann | first2=Andrew W. | last3=Skiff | first3=Brian A. | last4=Sneden | first4=Christopher | last5=Kirkpatrick | first5=J. Davy | last6=Schneider | first6=Adam C. | last7=Kidder | first7=Benjamin | last8=Gosnell | first8=Natalie M. | last9=Kim | first9=Hwihyun | last10=Mulligan | first10=Brian W. | last11=Prato | first11=L. | last12=Jaffe | first12=Daniel | date=2018-02-01 | title=Wolf 1130: A Nearby Triple System Containing a Cool, Ultramassive White Dwarf | journal=The Astrophysical Journal | volume=854 | issue=2 | pages=145 | arxiv=1802.04803 | bibcode=2018ApJ...854..145M | doi=10.3847/1538-4357/aaa8dd | issn=0004-637X | doi-access=free}} | |||||||||||
| 49 Librae | Libra | F8V + D | Main sequence + white dwarf | Ia | last1=Fuhrmann | first1=K. | title=Bright Times for an Ancient Star | date=2017-01-02 | journal=The Astrophysical Journal | volume=834 | issue=2 | pages=114 | postscript=. | language=en | bibcode=2017ApJ...834..114F | doi=10.3847/1538-4357/834/2/114 | s2cid=125888005 | last2=Chini | first2=R. | doi-access=free}} | ||||||||||||||||||||||||||||||
| NLTT 12758 | Eridanus | D + D | White dwarf | Ia | Supernova will occur in 140 billion years | |||||||||||||||||||||||||||||||||||||||||||||
| IK Pegasi | Pegasus | A8m:/DA | White dwarf | Ia | Supernova will occur in 1.9 billion years | |||||||||||||||||||||||||||||||||||||||||||||
| WD J181058.67+311940.94 | Hercules | 160 | D + D | White dwarf | Ia | Supernova will occur in 23 billion years | ||||||||||||||||||||||||||||||||||||||||||||
| Nunki (Sigma Sagittarii) | Sagittarius | B2.5 V | Main sequence | II | last1=Waisberg | first1=Idel | last2=Klein | first2=Ygal | last3=Katz | first3=Boaz | date=April 2025 | title=Hidden Companions to Intermediate-mass Stars. XXVI. Uncovering Nunki = Sigma Sagittarii as a 6.5 M⊙ + 6.3 M⊙, 0.60 au Binary | journal=Research Notes of the AAS | volume=9 | issue=4 | pages=71 | doi=10.3847/2515-5172/adc739 | doi-access=free}} | ||||||||||||||||||||||||||||||||
| Bellatrix (Gamma Orionis) | Orion | B2 III | Blue Giant | II or Ia | ||||||||||||||||||||||||||||||||||||||||||||||
| Spica (Alpha Virginis) | Virgo | B1 | Subgiant | last=Firestone | first=R. B. | title=Observation of 23 Supernovae That Exploded | ||||||||||||||||||||||||||||||||||||||||||||
| Acrux (Alpha1 Crucis) | Crux | B0.5 IV | Main sequence (blue dwarf) | II | title=Acrux (Alpha Crucis) | url=http://stars.astro.illinois.edu/sow/acrux.html | access-date=2020-11-20 | publisher=illinois.edu}} | ||||||||||||||||||||||||||||||||||||||||||
| Acrux (Alpha2 Crucis) | Crux | B1 V | Main sequence (blue dwarf) | II | ||||||||||||||||||||||||||||||||||||||||||||||
| Zeta Ophiuchi | Ophiuchus | O9.5V | Main sequence (blue dwarf) | |||||||||||||||||||||||||||||||||||||||||||||||
| Betelgeuse (Alpha Orionis) | Orion | ~400–500 | M2Iab | Red supergiant | IIP | last1=Smith | first1=Nathan | last2=Hinkle | first2=Kenneth H. | last3=Ryde | first3=Nils | date=2009-03-01 | title=Red Supergiants as Potential Type IIn Supernova Progenitors: Spatially Resolved 4.6 μm CO Emission Around VY CMa and Betelgeuse | journal=The Astronomical Journal | volume=137 | issue=3 | pages=3558–3573 | arxiv=0811.3037 | bibcode=2009AJ....137.3558S | doi=10.1088/0004-6256/137/3/3558 | issn=0004-6256 | s2cid=19019913}} | ||||||||||||||||||||||||||||
| Uridim (Alpha Lupi) | Lupus | B1.5 | Blue giant | II | ||||||||||||||||||||||||||||||||||||||||||||||
| Antares (Alpha Scorpii) | Scorpius | M1.5Iab-b | Red supergiant | IIP | ||||||||||||||||||||||||||||||||||||||||||||||
| Saiph (Kappa Orionis) | Orion | 650 ± 30 | B0.5 Ia | Blue Supergiant | II | |||||||||||||||||||||||||||||||||||||||||||||
| Ahadi (Pi Puppis) | Puppis | K3 Ib | Red supergiant | II? | last1=Asakura | first1=K. | last2=Gando | first2=A. | last3=Gando | first3=Y. | last4=Hachiya | first4=T. | last5=Hayashida | first5=S. | last6=Ikeda | first6=H. | last7=Inoue | first7=K. | last8=Ishidoshiro | first8=K. | last9=Ishikawa | first9=T. | last10=Ishio | first10=S. | last11=Koga | first11=M. | last12=Matsuda | first12=S. | last13=Mitsui | first13=T. | last14=Motoki | first14=D. | last15=Nakamura | first15=K. | date=February 2016 | title=KamLAND SENSITIVITY TO NEUTRINOS FROM PRE-SUPERNOVA STARS | journal=The Astrophysical Journal | language=en | volume=818 | issue=1 | pages=91 | doi=10.3847/0004-637X/818/1/91 | doi-access=free | issn=0004-637X | arxiv=1506.01175 | bibcode=2016ApJ...818...91A }} | ||||
| S Monocerotis A | Monoceros | O7V | Main sequence (blue dwarf) | II | ||||||||||||||||||||||||||||||||||||||||||||||
| S Monocerotis B | Monoceros | O9.5V | Main sequence (blue dwarf) | II | ||||||||||||||||||||||||||||||||||||||||||||||
| Rigel (Beta Orionis) | Orion | B8Ia | Blue supergiant | IIn(pec?) | last1=Moravveji | first1=Ehsan | title=Asteroseismology of the nearby SN-II Progenitor: Rigel. Part I. The MOST High-precision Photometry and Radial Velocity Monitoring | date=March 2012 | journal=The Astrophysical Journal | volume=747 | issue=1 | pages=108–115 | arxiv=1201.0843 | bibcode=2012ApJ...747..108M | doi=10.1088/0004-637X/747/2/108 | s2cid=425831 | last2=Guinan | first2=Edward F. | last3=Shultz | first3=Matt | last4=Williamson | first4=Michael H. | last5=Moya | first5=Andres}} | ||||||||||||||||||||||||||
| Gamma2 Velorum A | Vela | WC8 | Wolf–Rayet star | Ib/Ic | ||||||||||||||||||||||||||||||||||||||||||||||
| Gamma2 Velorum B | Vela | O7.5III | Blue supergiant | II | ||||||||||||||||||||||||||||||||||||||||||||||
| Mintaka Aa1 (Delta Orionis) | Orion | 1,200 | O9.5II | Blue supergiant | II | |||||||||||||||||||||||||||||||||||||||||||||
| Alnilam (Epsilon Orionis) | Orion | B0 Ia | Blue supergiant | II | ||||||||||||||||||||||||||||||||||||||||||||||
| Alnitak Aa (Zeta Orionis) | Orion | O9.5Iab | Blue supergiant | |||||||||||||||||||||||||||||||||||||||||||||||
| HD 49798 | Puppis | sdO5.5/D | White dwarf | Ia | Supernova will occur in a few tens of thousands of years | |||||||||||||||||||||||||||||||||||||||||||||
| 119 Tauri | Taurus | M2Iab-Ib | Red supergiant | IIb | ||||||||||||||||||||||||||||||||||||||||||||||
| Deneb (Alpha Cygni) | Cygnus | A2la | Blue supergiant | IIL | ||||||||||||||||||||||||||||||||||||||||||||||
| KPD 1930+2752 | Cygnus | sdB/D | White dwarf | Ia | last1=Maxted | first1=P. F. L. | last2=Marsh | first2=T. R. | last3=North | first3=R. C. | date=2000-09-21 | title=KPD 1930+2752: a candidate Type Ia supernova progenitor | journal=Monthly Notices of the Royal Astronomical Society | language=en | volume=317 | issue=3 | pages=L41–L44 | arxiv=astro-ph/0007257 | bibcode=2000MNRAS.317L..41M | doi=10.1046/j.1365-8711.2000.03856.x | issn=0035-8711 | s2cid=11267384 | doi-access=free}} | |||||||||||||||||||||||||||
| Garnet Star (Mu Cephei) | Cepheus | M2Ia | Red hypergiant | IIn/IIb | ||||||||||||||||||||||||||||||||||||||||||||||
| Rho Cassiopeiae | Cassiopeia | G2Ia0e | Yellow hypergiant | IIL | ||||||||||||||||||||||||||||||||||||||||||||||
| VY Canis Majoris | Canis Major | M5eIa | Red hypergiant | II | last1=Weaver | first1=Donna | last2=Humphreys | first2=Roberta | date=2007-01-08 | title=Astronomers Map a Hypergiant Star's Massive Outbursts | url=http://hubblesite.org/newscenter/archive/releases/2007/03/full/ | url-status=dead | archive-url=https://web.archive.org/web/20070112234540/http://hubblesite.org/newscenter/archive/releases/2007/03/full/ | archive-date=2007-01-12 | access-date=2007-01-16 | website=HubbleSite NewsCenter}} | ||||||||||||||||||||||||||||||||||
| IRAS 17163-3907 | Scorpius | late B/early A | Yellow hypergiant | II | ||||||||||||||||||||||||||||||||||||||||||||||
| Wray 17-96 | Scorpius | B3 | Luminous blue variable | |||||||||||||||||||||||||||||||||||||||||||||||
| VV Cephei A | Cepheus | 4,900 | M2Iab | Red hypergiant | ||||||||||||||||||||||||||||||||||||||||||||||
| Polis Aa (Mu Sagittarii) | Sagittarius | 5,100 | B8Iap | Blue supergiant | ||||||||||||||||||||||||||||||||||||||||||||||
| P Cygni | Cygnus | B1Ia+ | Luminous blue variable | IIb | ||||||||||||||||||||||||||||||||||||||||||||||
| HD 168625 | Sagittarius | B6Ia | Luminous blue variable | II | ||||||||||||||||||||||||||||||||||||||||||||||
| NML Cygni | Cygnus | M6I | Red hypergiant | II | last1=Monnier | first1=J. D. | last2=Millan-Gabet | first2=R. | last3=Tuthill | first3=P. G. | last4=Traub | first4=W. A. | last5=Carleton | first5=N. P. | last6=Coude Du Foresto | first6=V. | last7=Danchi | first7=W. C. | last8=Lacasse | first8=M. G. | last9=Morel | first9=S. | last10=Perrin | first10=G. | last11=Porro | first11=I. L. | last12=Schloerb | first12=F. P. | last13=Townes | first13=C. H. | year=2004 | title=High-Resolution Imaging of Dust Shells by Using Keck Aperture Masking and the IOTA Interferometer | journal=The Astrophysical Journal | volume=605 | issue=1 | pages=436–461 | arxiv=astro-ph/0401363 | bibcode=2004ApJ...605..436M | doi=10.1086/382218 | s2cid=7851916}} | ||||||||||
| IRC +10420 | Aquila | F8Ia+ | Yellow hypergiant | IIb | ||||||||||||||||||||||||||||||||||||||||||||||
| WR 142 | Cygnus | WO2 | Wolf–Rayet star | Ib/Ic | ||||||||||||||||||||||||||||||||||||||||||||||
| WR 136 | Cygnus | WN6(h)-s | Wolf–Rayet star | Ic | ||||||||||||||||||||||||||||||||||||||||||||||
| RS Ophiuchi | Ophiuchus | M2III/D | White dwarf | Ia | ||||||||||||||||||||||||||||||||||||||||||||||
| IRAS 00500+6713 | Cassiopeia | 8,000 ± 500 | WD | White dwarf | Ia | doi=10.1038/d41586-020-03654-x | title=Brilliant X-rays reveal what might be a new type of star | journal=Nature | year=2021 | volume=589 | issue=7841 | page=172 | bibcode=2021Natur.589S.172. | doi-access=free}} | ||||||||||||||||||||||||||||||||||||
| Eta Carinae | Carina | LBV/O | Luminous blue variable | Ib | ||||||||||||||||||||||||||||||||||||||||||||||
| WR 93b | Scorpius | WO3 | Wolf–Rayet star | Ib/Ic | ||||||||||||||||||||||||||||||||||||||||||||||
| WR 102 | Sagittarius | WO2 | Wolf–Rayet star | Ib/Ic | ||||||||||||||||||||||||||||||||||||||||||||||
| HD 179821 | Aquila | G5Ia | Yellow hypergiant | IIL | last1=Jura | first1=M. | last2=Velusamy | first2=T. | last3=Werner | first3=M. W. | date=2001-06-05 | title=What next for the Likely Pre-Supernova, HD 179821? | url=http://www.aas.org/publications/baas/v33n2/aas198/66.htm | url-status=dead | archive-url=https://web.archive.org/web/20080708211729/http://www.aas.org/publications/baas/v33n2/aas198/66.htm | archive-date=2008-07-08 | access-date=2007-01-08 | publisher=American Astronomical Society}} | ||||||||||||||||||||||||||||||||
| T Pyxidis | Pyxis | White dwarf | Ia | |||||||||||||||||||||||||||||||||||||||||||||||
| WR 104 | Sagittarius | WC9d/OB | Wolf–Rayet star | Ib/Ic with Grb? | ||||||||||||||||||||||||||||||||||||||||||||||
| AG Carinae | Carina | LBV (WN11h-A-Ia) | Luminous blue variable | IIb | author=Groh, J. H. | author2=Meynet, G. | author3=Ekström, S. | date=2013 | title=Massive star evolution: luminous blue variables as unexpected supernova progenitors | journal=Astronomy & Astrophysics | volume=550 | id=L7 | pages=4 | doi=10.1051/0004-6361/201220741 | bibcode=2013A&A...550L...7G | arxiv=1301.1519 | s2cid=119227339}} | |||||||||||||||||||||||||||||||||
| WR 30a | Carina | WO4/O5((f)) | Wolf–Rayet star | |||||||||||||||||||||||||||||||||||||||||||||||
| Sher 25 | Carina | B1.5Iab | Blue supergiant | |||||||||||||||||||||||||||||||||||||||||||||||
| LMC195-1 | Dorado | WO2 | Wolf–Rayet star | Ib/Ic | ||||||||||||||||||||||||||||||||||||||||||||||
| S Doradus | Dorado | LBV | Luminous blue variable | |||||||||||||||||||||||||||||||||||||||||||||||
| SMC AB8 | Hydrus | WO4/O4 | Wolf–Rayet star | Ib/Ic | ||||||||||||||||||||||||||||||||||||||||||||||
| DR1 | Cetus | WO3 | Wolf–Rayet star | Ib/Ic with Grb? | last1=Tramper | first1=F. | last2=Gräfener | first2=G. | last3=Hartoog | first3=O. E. | last4=Sana | first4=H. | last5=de Koter | first5=A. | last6=Vink | first6=J. S. | last7=Ellerbroek | first7=L. E. | last8=Langer | first8=N. | last9=Garcia | first9=M. | last10=Kaper | first10=L. | last11=de Mink | first11=S. E. | date=2013 | title=On the nature of WO stars: a quantitative analysis of the WO3 star DR1 in IC 1613 | journal=Astronomy & Astrophysics | volume=559 | page=A72 | arxiv=1310.2849 | bibcode=2013A&A...559A..72T | doi=10.1051/0004-6361/201322155 | issn=0004-6361 | doi-access=free}} |
Notes
References
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