RSGC1-F01

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RSGC1-F01
Ssc2006-03a.jpg
Red circle.svg
Open cluster RSGC1 in which RSGC-F01 is located.
Credit: Spitzer
Observation data
Epoch J2000      Equinox J2000
Constellation Scutum
Right ascension 18h 37m 56.29s[1]
Declination −6° 52′ 32.2″[1]
Astrometry
Proper motion (μ) RA: -4.569[2] mas/yr
Dec.: -5.074[2] mas/yr
Distance22000±2900 ly
Characteristics
Spectral type M3 / M5[3]
Apparent magnitude (J) 9.748[1]
Apparent magnitude (H) 6.587[1]
Details
Radius1,530[3] R☉
Luminosity335,000[3] - 380,000[4] L☉
Temperature3,550[3] K
Other designations
RSGC1-F01, 2MASS J18375629-0652322
Database references
SIMBADdata

RSGC1-F01 is a red supergiant located in the RSGC1 open cluster in the constellation of Scutum. The radius was calculated to be around 1,530[3] times that of the Sun (the radius is calculated by applying the Stefan-Bolzmann law), making it one of the largest stars discovered so far. This corresponds to a volume 3.58 billion times bigger than the Sun. If placed at the center of the Solar System, the photosphere would engulf the orbit of Jupiter.

See also[]

References[]

  1. ^ a b c d Davies, Ben; Figer, Don F.; Law, Casey J.; Kudritzki, Rolf-Peter; Najarro, Francisco; Herrero, Artemio; MacKenty, John W. (2008). "The cool supergiant population of the massive young star cluster RSGC1". The Astrophysical Journal. 676 (2): 1016–1028. arXiv:0711.4757. Bibcode:2008ApJ...676.1016D. doi:10.1086/527350. ISSN 0004-637X.
  2. ^ Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. Gaia EDR3 record for this source at VizieR.
  3. ^ a b c d e Humphreys, Roberta M.; Helmel, Greta; Jones, Terry J.; Gordon, Michael S. (2020). "Exploring the Mass Loss Histories of the Red Supergiants". The Astronomical Journal. 160 (3): 145. arXiv:2008.01108. Bibcode:2020AJ....160..145H. doi:10.3847/1538-3881/abab15. S2CID 220961677.
  4. ^ Emma Bensor (2020). "A new mass-loss rate prescription for red supergiants". Monthly Notices of the Royal Astronomical Society. 492 (4): 5994–6006. arXiv:2001.07222. Bibcode:2020MNRAS.492.5994B. doi:10.1093/mnras/staa255. S2CID 210839222.


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