This is a list of the hottest exoplanets so far discovered, specifically those with temperatures greater than 2,500 K (2,230 °C; 4,040 °F). For comparison, the hottest planet in the Solar System is Venus, with a temperature of 737 K (464 °C; 867 °F).

List

Methods for finding temperature:

Name Star Temperature (K) Mass Method Notes and references
KELT-9b KELT-9 4,643±26 2.88 MJ Teff Hottest known exoplanet, with a temperature comparable to K-type stars.[1]
AB Aurigae b AB Aurigae 3,800 9-12 MJ [2][3]
55 Cancri e 55 Cancri 3,771+669
−520		 7.99 M🜨 [4]
TOI-2109b TOI-2109 3,631±69 5.02 MJ [5]
WASP-189b WASP-189 3,435±27 1.99 MJ [6]
TOI-1518b TOI-1518 3,237±59 <2.3 MJ [7]
WASP-103b WASP-103 3,205±136 1.455 MJ [8]
KELT-16b KELT-16 3,190±61 2.75 MJ [9]
WASP-12b WASP-12 3,128±66 1.465 MJ [10]
WASP-33b WASP-33 3,108±113 2.093 MJ [8]
WASP-18b WASP-18 3,067±104 10.20 MJ [8]
MASCARA-1b MASCARA-1 3,062±67 3.7 MJ [11]
HATS-70b HATS-70 2,730+140
−160		 12.9 MJ Teq [12]
WASP-100b WASP-100 2,710 2.03 MJ Teff [13]
HIP 78530 b HIP 78530 2,700±100 23 MJ [14]Likely a brown dwarf.
HAT-P-7b HAT-P-7 2,667±57 1.682 MJ [15]
GQ Lupi b GQ Lupi 2,650±100 20 MJ [16]Likely a brown dwarf.
TOI-2260 b TOI-2260 2,609±86 Teq [12]
CT Chamaeleontis b CT Chamaeleontis 2,600±250 17 MJ Teff [17]Likely a brown dwarf.
HAT-P-70b HAT-P-70 2,562+43
−52		 6.78 MJ Teq [12]
Kepler-13b Kepler-13 2,550±80 9.78 MJ [12]
WASP-76b WASP-76 2,500±200 0.92 MJ Teff [18]

Unconfirmed candidates

These planet candidates have not been confirmed.

Name Star Temperature (K) Mass Method Notes and references
KOI-7057.01 KOI-7057 3,365±69 Teq [13][lower-alpha 1]
KOI-126.02 KOI-126 2,518 [13][lower-alpha 2]

Notes

  1. ↑ Erroneously listed as "confirmed" by the Extrasolar Planets Encyclopaedia despite no published confirmation existing.
  2. ↑ Erroneously listed as "confirmed" by the Extrasolar Planets Encyclopaedia despite this system having been shown to be a multiply eclipsing star system.[19][20]

References

  1. ↑ Jones, K.; Morris, B. M.; et al. (October 2022). "The stable climate of KELT-9b". Astronomy & Astrophysics. 666: A118. arXiv:2208.04818. Bibcode:2022A&A...666A.118J. doi:10.1051/0004-6361/202243823.
  2. ↑ Zhou, Yifan; Sanghi, Aniket; Bowler, Brendan P.; Wu, Ya-Lin; Close, Laird M.; Long, Feng; Ward-Duong, Kimberly; Zhu, Zhaohuan; Kraus, Adam L.; Follette, Katherine B.; Bae, Jaehan (2022-07-01). "HST/WFC3 Hα Direct-imaging Detection of a Pointlike Source in the Disk Cavity of AB Aur". The Astrophysical Journal Letters. 934 (1): L13. doi:10.3847/2041-8213/ac7fef. ISSN 2041-8205.
  3. ↑ Currie, Thayne; Lawson, Kellen; Schneider, Glenn; Lyra, Wladimir; Wisniewski, John; Grady, Carol; Guyon, Olivier; Tamura, Motohide; Kotani, Takayuki; Kawahara, Hajime; Brandt, Timothy; Uyama, Taichi; Muto, Takayuki; Dong, Ruobing; Kudo, Tomoyuki (June 2022). "Images of embedded Jovian planet formation at a wide separation around AB Aurigae". Nature Astronomy. 6 (6): 751–759. doi:10.1038/s41550-022-01634-x. hdl:1887/3561800. ISSN 2397-3366.
  4. ↑ Mercier, Samson J.; Dang, Lisa; et al. (November 2022). "Revisiting the Iconic Spitzer Phase Curve of 55 Cancri e: Hotter Dayside, Cooler Nightside, and Smaller Phase Offset". The Astronomical Journal. 164 (5): 204. arXiv:2209.02090. Bibcode:2022AJ....164..204M. doi:10.3847/1538-3881/ac8f22.
  5. ↑ Wong, Ian; Shporer, Avi; et al. (December 2021). "TOI-2109: An Ultrahot Gas Giant on a 16 hr Orbit". The Astronomical Journal. 162 (6): 256. arXiv:2111.12074. Bibcode:2021AJ....162..256W. doi:10.3847/1538-3881/ac26bd.
  6. ↑ Lendl, M.; Csizmadia, Sz.; et al. (November 2020). "The hot dayside and asymmetric transit of WASP-189 b seen by CHEOPS". Astronomy & Astrophysics. 643: A94. arXiv:2009.13403. Bibcode:2020A&A...643A..94L. doi:10.1051/0004-6361/202038677.
  7. ↑ Cabot, Samuel H. C.; Bello-Arufe, Aaron; et al. (November 2021). "TOI-1518b: A Misaligned Ultra-hot Jupiter with Iron in Its Atmosphere". The Astronomical Journal. 162 (5): 218. arXiv:2108.11403. Bibcode:2021AJ....162..218C. doi:10.3847/1538-3881/ac1ba3.
  8. 1 2 3 Pass, Emily K.; Cowan, Nicolas B.; et al. (October 2019). "Estimating dayside effective temperatures of hot Jupiters and associated uncertainties through Gaussian process regression". Monthly Notices of the Royal Astronomical Society. 489 (1): 941–950. arXiv:1908.02631. Bibcode:2019MNRAS.489..941P. doi:10.1093/mnras/stz2226.
  9. ↑ Mancini, L.; Southworth, J.; et al. (January 2022). "The ultra-hot-Jupiter KELT-16 b: dynamical evolution and atmospheric properties". Monthly Notices of the Royal Astronomical Society. 509 (1): 1447–1464. arXiv:2105.00889. Bibcode:2022MNRAS.509.1447M. doi:10.1093/mnras/stab2691.
  10. ↑ Owens, Niall; de Mooij, E. J. W.; et al. (May 2021). "Phase curve and variability analysis of WASP-12b using TESS photometry". Monthly Notices of the Royal Astronomical Society: Letters. 503 (1): L38–L46. arXiv:2102.00052. Bibcode:2021MNRAS.503L..38O. doi:10.1093/mnrasl/slab014.
  11. ↑ Hooton, M. J.; Hoyer, S.; et al. (February 2022). "Spi-OPS: Spitzer and CHEOPS confirm the near-polar orbit of MASCARA-1 b and reveal a hint of dayside reflection". Astronomy & Astrophysics. 658: A75. arXiv:2109.05031. Bibcode:2022A&A...658A..75H. doi:10.1051/0004-6361/202141645.
  12. 1 2 3 4 "Planetary Systems". exoplanetarchive.ipac.caltech.edu. Retrieved 2023-11-17.
  13. 1 2 3 Martin, Pierre-Yves (1995). "Catalogue of Exoplanets". exoplanet.eu. Retrieved 2023-11-17.
  14. ↑ Lachapelle, François-René; Lafrenière, David; et al. (March 2015). "Characterization of Low-mass, Wide-separation Substellar Companions to Stars in Upper Scorpius: Near-infrared Photometry and Spectroscopy". The Astrophysical Journal. 802 (1): 61. arXiv:1503.07586. Bibcode:2015ApJ...802...61L. doi:10.1088/0004-637X/802/1/61.
  15. ↑ Wong, Ian; Knutson, Heather A.; Kataria, Tiffany; Lewis, Nikole K.; Burrows, Adam; Fortney, Jonathan J.; Schwartz, Joel; Shporer, Avi; Agol, Eric; Cowan, Nicolas B.; Deming, Drake; Désert, Jean-Michel; Fulton, Benjamin J.; Howard, Andrew W.; Langton, Jonathan (2016-06-01). "3.6 and 4.5 μm Spitzer Phase Curves of the Highly Irradiated Hot Jupiters WASP-19b and HAT-P-7b". The Astrophysical Journal. 823 (2): 122. arXiv:1512.09342. Bibcode:2016ApJ...823..122W. doi:10.3847/0004-637X/823/2/122. ISSN 0004-637X.
  16. ↑ Neuhäuser, R.; Mugrauer, M.; et al. (June 2008). "Astrometric and photometric monitoring of GQ Lupi and its sub-stellar companion". Astronomy and Astrophysics. 484 (1): 281–291. arXiv:0801.2287. Bibcode:2008A&A...484..281N. doi:10.1051/0004-6361:20078493.
  17. ↑ Schmidt, T. O. B.; Neuhäuser, R.; et al. (November 2008). "Direct evidence of a sub-stellar companion around CT Chamaeleontis". Astronomy and Astrophysics. 491 (1): 311–320. arXiv:0809.2812. Bibcode:2008A&A...491..311S. doi:10.1051/0004-6361:20078840.
  18. ↑ Zhou, G.; Bayliss, D.; Kedziora-Chudczer, L.; Tinney, C. G.; Bailey, J.; Salter, G.; Rodriguez, J. (2015-12-11). "Secondary eclipse observations for seven hot-Jupiters from the Anglo-Australian Telescope". Monthly Notices of the Royal Astronomical Society. 454 (3): 3002–3019. arXiv:1509.04147. Bibcode:2015MNRAS.454.3002Z. doi:10.1093/mnras/stv2138. ISSN 0035-8711.
  19. ↑ Carter, Joshua A.; Fabrycky, Daniel C.; et al. (February 2011). "KOI-126: A Triply Eclipsing Hierarchical Triple with Two Low-Mass Stars". Science. 331 (6017): 562–. arXiv:1102.0562. Bibcode:2011Sci...331..562C. doi:10.1126/science.1201274.
  20. ↑ Feiden, Gregory A.; Chaboyer, Brian; Dotter, Aaron (October 2011). "Accurate Low-mass Stellar Models of KOI-126". The Astrophysical Journal Letters. 740 (1): L25. arXiv:1109.2063. Bibcode:2011ApJ...740L..25F. doi:10.1088/2041-8205/740/1/L25.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.