RSGC1-F01
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| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Scutum |
| Right ascension | 00h 40m 6.27s[1] |
| Declination | +50° 14′ 15.5″[1] |
| Characteristics | |
| Evolutionary stage | Red Supergiant |
| Spectral type | K4V |
| Astrometry | |
| Radial velocity (Rv) | -2.54 km/s |
| Proper motion (μ) | RA: 147.512 mas/yr Dec.: -71.088 mas/yr |
| Parallax (π) | 14.9513 ± 0.0333 mas |
| Distance | 218.1 ± 0.5 ly (66.9 ± 0.1 pc) |
| Details | |
| Other designations | |
| Database references | |
| SIMBAD | data |
RSGC1-F01 is a red supergiant star located in the open cluster RSGC1 in the constellation of Scutum with a radius calculated to be between 1,450 and 1,530 times that of the Sun (R☉) (the radius is calculated by applying the Stefan-Boltzmann 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.[2][3]
References
- ↑ 1.0 1.1 1.2 "Simbad - Object view". simbad.cds.unistra.fr. Retrieved 2025-12-17.
- ↑ Decin, L.; Richards, A. M. S.; Marchant, P.; Sana, H. (January 2024). "ALMA detection of CO rotational line emission in red supergiant stars of the massive young star cluster RSGC1: Determination of a new mass-loss rate prescription for red supergiants". Astronomy & Astrophysics. 681: A17. arXiv:2303.09385. Bibcode:2024A&A...681A..17D. doi:10.1051/0004-6361/202244635. ISSN 0004-6361.
- ↑ Humphreys, Roberta M.; Helmel, Greta; Jones, Terry J.; Gordon, Michael S. (2020-09-01). "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. ISSN 0004-6256.
Category:Cygnus (constellation) Cygni, V453 Category:B-type subgiants 227696 Category:Beta Cephei variables
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