Galactic list

edit
List of the largest known stars: galactic pending additions[a]
Star name Solar radii
(Sun = 1)
Method[b] Notes
Radii that were stated in the paper
U Arietis 801±205[1] AD
RT Ophiuchi 801±217[1] AD
UU Pegasi 742±193[1] AD
V Camelopardalis 716±185[1] AD
RR Aquilae 648±169[1] AD
RR Persei 599±161[1] AD
R Cassiopeiae 593±181[1] AD
S Serpentis 583±172601±159[1] AD
RS Virginis 577±155[1] AD
RU Herculis 572±147[1] AD
R Leonis Minoris 569±146[1] AD
S Orionis 545±142[1] AD
R Draconis 511±142[1] AD
DG Cygni 499±140[1] AD
V Cassiopeiae 472±129[1] AD
Mira (ο Ceti) 468±120482±124[1] AD
S Coronae Borealis 457±116[1] AD
S Pegasi 459±135574±154[1] AD
R Pegasi 455±119476±122[1] AD
U Herculis 431±114453±117[1] AD
T Cassiopeiae 416±108[1] AD
Y Cassiopeiae 413±110[1] AD
R Aquarii 412±106438±114[1] AD
R Leonis 409±105[1] AD
R Aurigae 407±105[1] AD
U Orionis 370±96[1] AD
BG Serpentis 354±99[1] AD
S Herculis 354±124[1] AD
R Serpentis 328±86[1] AD
U Persei 325±94352±101[1] AD
Z Pegasi 310±92[1] AD
RT Aquilae 305±79[1] AD
X Ophiuchi 298±78314±81[1] AD
S Ursae Minoris 296±82[1] AD
R Canum Venaticorum 279±75322±82[1] AD
R Aquilae 259±67328±85[1] AD
BG Cygni 236±76[1] AD
Radii that were calculated manually
Stephenson 2-18 2,150[2] L/Teff
MY Cephei 2,061[3] L/Teff
NML Cygni (V1489 Cygni) 1,639(–2,770)[4] L/Teff
RSGC1-F01 1,530[3] L/Teff
RSGC1-F04 1,422[3] L/Teff
RSGC1-F06 1,382[3] L/Teff
Stephenson 2-3 1,301[3] L/Teff
Stephenson 2-11 1,300[3] L/Teff
RSGC1-F10 1,246[3] L/Teff
RSGC1-F05 1,185[3] L/Teff
EV Carinae 1,165[5] L/Teff
RSGC1-F08 1,150[3] L/Teff
RSGC1-F02 1,128[3] L/Teff
S Persei 1,109[2] L/Teff
W Persei 1,011[2] L/Teff
RSGC1-F11 1,032[3] L/Teff
RSGC1-F13 1,017[3] L/Teff
RSGC1-F07 1,006[3] L/Teff
RSGC1-F09 996[3] L/Teff
RSGC1-F12 955[3] L/Teff
RSGC1-F03 942[3] L/Teff
Stephenson 2-14 911[3] L/Teff
SU Persei 863[2] L/Teff
Stephenson 2-4 855[3] L/Teff
AD Persei 812[2] L/Teff
V441 Persei 799[2] L/Teff
BU Persei 795[2] L/Teff
V648 Cassiopeiae 778[2] L/Teff
YZ Persei 758[2] L/Teff
GP Cassiopeiae 751[2] L/Teff
RSGC3-3 735[3] L/Teff
Stephenson 2-5 730[3] L/Teff
RSGC3-15 728[3] L/Teff
KK Persei 724[2] L/Teff
XX Persei 710[2] L/Teff
Mercer 8-6 708[2] L/Teff
RSGC3-16 682[3] L/Teff
RSGC1-F14 662[3] L/Teff
Stephenson 2 DFK 23 661[3] L/Teff The star has a peculiar SED and is potentially not a member.
RSGC3-13 655[3] L/Teff
Stephenson 2-1 635[3] L/Teff
Mercer 8-1 620[2] L/Teff
PR Persei 603[2] L/Teff
Stephenson 2 DFK 6 592[3] L/Teff
Stephenson 2-8 576[2] L/Teff
RSGC3-4 575[3] L/Teff
Stephenson 2-2 569[3] L/Teff
V778 Cassiopeiae 549[2] L/Teff
Stephenson 2 DFK 18 531[3] L/Teff
NGC 7419 BNSW e 528[3] L/Teff
Mercer 8-5 522[2] L/Teff
FZ Persei 501[2] L/Teff
RSGC3-5 500[3] L/Teff
Stephenson 2 DFK 13 499[3] L/Teff
Mercer 8-2 498[2] L/Teff
Stephenson 2-26 496[2] L/Teff
RSGC3-1 494[3] L/Teff
V605 Cassiopeiae 490[2] L/Teff
V439 Persei 479[2] L/Teff
RSGC3-14 474[3] L/Teff
Mercer 8-4 458[2] L/Teff
NGC 7419 BNSW c 455[3] L/Teff
Stephenson 2 DFK 17 451[3] L/Teff
HD 236947 431[2] L/Teff
Stephenson 2 DFK 14 422[3] L/Teff
RSGC1-F15 410[3] L/Teff
RSGC3-2 393[3] L/Teff
RSGC3-7 393[3] L/Teff
NGC 7419 BNSW d 390[3] L/Teff
V403 Persei 389[2] L/Teff
RSGC3-9 386[3] L/Teff
BD+59 372 380[2] L/Teff
V550 Persei 371[2] L/Teff
Stephenson 2 DFK 52 357[3] L/Teff The star has a peculiar SED.
PP Persei 352[2] L/Teff
Mercer 8-3 351[2] L/Teff
RSGC3-6 342[3] L/Teff
RSGC3-11 342[3] L/Teff
RSGC3-8 310[3] L/Teff
Stephenson 2 DFK 15 288[3] L/Teff
NGC 7419 BNSW a 273[3] L/Teff
RSGC3-12 271[3] L/Teff
RSGC3-10 231[3] L/Teff

Extragalactic list

edit
List of the largest known stars: extragalactic pending additions[a]
Star name Solar radii
(Sun = 1)
Method[c] Notes
Radii that were stated in the paper
IRAS 05280-6910 1,738[6] L/Teff
WOH G64 1,540±77[7] L/Teff

Notes

edit
  1. ^ a b So far these values are very far from final and they will definetly change some time in the future.
  2. ^ Methods for calculating the radius:
  3. ^ Methods for calculating the radius:

References

edit
  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak van Belle, G. T.; Thompson, R. R.; Creech-Eakman, M. J. (September 2002). "Angular Size Measurements of Mira Variable Stars at 2.2 Microns. II". The Astronomical Journal. 124: 1706–1715. arXiv:astro-ph/0210167. Bibcode:2002AJ....124.1706V. doi:10.1086/342282. ISSN 0004-6256.
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad Fok, Thomas K. T.; Nakashima, Jun-ichi; Yung, Bosco H. K.; Hsia, Chih-Hao; Deguchi, Shuji (November 2012). "Maser Observations of Westerlund 1 and Comprehensive Considerations on Maser Properties of Red Supergiants Associated with Massive Clusters". The Astrophysical Journal. 760: 65. arXiv:1209.6427. Bibcode:2012ApJ...760...65F. doi:10.1088/0004-637X/760/1/65. ISSN 0004-637X.
  3. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay Humphreys, Roberta M.; Helmel, Greta; Jones, Terry J.; Gordon, Michael S. (September 2020). "Exploring the Mass-loss Histories of the Red Supergiants". The Astronomical Journal. 160: 145. arXiv:2008.01108. Bibcode:2020AJ....160..145H. doi:10.3847/1538-3881/abab15. ISSN 0004-6256.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  4. ^ Zhang, B.; Reid, M. J.; Menten, K. M.; Zheng, X. W.; Brunthaler, A. (August 2012). "The distance and size of the red hypergiant NML Cygni from VLBA and VLA astrometry". Astronomy and Astrophysics. 544: A42. arXiv:1207.1850. Bibcode:2012A&A...544A..42Z. doi:10.1051/0004-6361/201219587. ISSN 0004-6361.
  5. ^ van Loon, J. Th.; Cioni, M. -R. L.; Zijlstra, A. A.; Loup, C. (July 2005). "An empirical formula for the mass-loss rates of dust-enshrouded red supergiants and oxygen-rich Asymptotic Giant Branch stars". Astronomy and Astrophysics. 438: 273–289. arXiv:astro-ph/0504379. Bibcode:2005A&A...438..273V. doi:10.1051/0004-6361:20042555. ISSN 0004-6361.
  6. ^ Matsuura, Mikako; Sargent, B.; Swinyard, Bruce; Yates, Jeremy; Royer, P.; Barlow, M. J.; Boyer, Martha; Decin, L.; Khouri, Theo; Meixner, Margaret; van Loon, Jacco Th. (November 2016). "The mass-loss rates of red supergiants at low metallicity: detection of rotational CO emission from two red supergiants in the Large Magellanic Cloud". Monthly Notices of the Royal Astronomical Society. 462: 2995–3005. arXiv:1608.01729. Bibcode:2016MNRAS.462.2995M. doi:10.1093/mnras/stw1853. ISSN 0035-8711.
  7. ^ Levesque, Emily M.; Massey, Philip; Plez, Bertrand; Olsen, Knut A. G. (June 2009). "The Physical Properties of the Red Supergiant WOH G64: The Largest Star Known?". The Astronomical Journal. 137: 4744–4752. arXiv:0903.2260. Bibcode:2009AJ....137.4744L. doi:10.1088/0004-6256/137/6/4744. ISSN 0004-6256.