CM Velorum
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| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Vela |
| Right ascension | 10h 07m 32.82s[1] |
| Declination | −53° 15′ 36.5″[1] |
| Apparent magnitude (V) | 7.00 - 8.35[2] |
| Details | |
| Mass | 8.1[3] M☉ |
| Radius | 1,048[4] R☉ |
| Luminosity | 187,000[4] L☉ |
| Surface gravity (log g) | −0.50[1] cgs |
| Temperature | 3,660[4] K |
| Metallicity [Fe/H] | −0.19[1] dex |
| Other designations | |
HD 88028, HIP 49611, HIC 49611, IRAS 10056-5300, 2MASS J10073282-5315366 | |
| Database references | |
| SIMBAD | data |
CM Velorum (abbreviated to CM Vel) is a red supergiant located in the constellation of Vela. It is a slow irregular variable with an apparent magnitude that varies from 7.00 to 8.35.[2]
Physical properties
CM Velorum may be one of the largest known stars, with size estimates ranging from 1,048[4] to 1416 solar radii.[1]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Vallenari, A.; et al. (Gaia Collaboration) (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. arXiv:2208.00211. doi:10.1051/0004-6361/202243940. Gaia DR3 record for this source at VizieR.
- ↑ 2.0 2.1 "CM Vel". International Variable Star Index. Retrieved 2025-03-04.
- ↑ Khalatyan, A.; Anders, F.; Chiappini, C.; Queiroz, A. B. A.; Nepal, S.; Dal Ponte, M.; Jordi, C.; Guiglion, G.; Valentini, M.; Torralba Elipe, G.; Steinmetz, M.; Pantaleoni-González, M.; Malhotra, S.; Jiménez-Arranz, Ó.; Enke, H.; Casamiquela, L.; Ardèvol, J. (2024). "Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost". Astronomy and Astrophysics. 691: A98. arXiv:2407.06963. Bibcode:2024A&A...691A..98K. doi:10.1051/0004-6361/202451427.
- ↑ 4.0 4.1 4.2 4.3 Healy, Sarah; Horiuchi, Shunsaku; Colomer Molla, Marta; Milisavljevic, Dan; Tseng, Jeff; Bergin, Faith; Weil, Kathryn; Tanaka, Masaomi; Otero, Sebastián (2024). "Red supergiant candidates for multimessenger monitoring of the next Galactic supernova". Monthly Notices of the Royal Astronomical Society. 529 (4): 3630. arXiv:2307.08785. Bibcode:2024MNRAS.529.3630H. doi:10.1093/mnras/stae738.
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