PMMR 62
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PMMR 62 (blue dot in the middle) Credit: Université de Strasbourg | |
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Tucana |
Right ascension | 00h 53m 47.932s[1] |
Declination | −72° 02′ 09.487″[1] |
Characteristics | |
Spectral type | K3-M1.5 Ia-Ib[2] |
Astrometry | |
Radial velocity (Rv) | 141.743±1.139[1] km/s |
Proper motion (μ) | RA: 0.797[1] mas/yr Dec.: −1.064[1] mas/yr |
Details | |
Radius | 1,306[a][3] R☉ |
Luminosity | 145,000[2] - 250,000[3] L☉ |
Surface gravity (log g) | −0.5[3] cgs |
Temperature | 3,575[3]-4,339[4] K |
Other designations | |
Database references | |
SIMBAD | data |
Coordinates: 00h 53m 47.932s, −72° 02′ 09.487″ PMMR 62 is a red supergiant star located in the Small Magellanic Cloud in the constellation Tucana. It is one of the largest stars known being 1,306 solar radii. If it was placed in our solar system, it would engulf the orbit of Jupiter.[3]
See also[]
- SMC 18136
- UY Scuti
- WOH G 64
- Stephenson 2-18
- VY Canis Majoris
- Westerlund 1-26
Notes[]
- ^ Applying the Stefan-Boltzmann Law with a nominal solar effective temperature of 5,772 K:
References[]
- ^ a b c d e f "PMMR 62". Université de Strasbourg.
- ^ a b Davies, Ben; Crowther, Paul A.; Beasor, Emma R. (2018). "The luminosities of cool supergiants in the Magellanic Clouds, and the Humphreys–Davidson limit revisited". Monthly Notices of the Royal Astronomical Society. 478 (3): 3138–3148. arXiv:1804.06417. Bibcode:2018MNRAS.478.3138D. doi:10.1093/mnras/sty1302. S2CID 59459492.
- ^ a b c d e Dicenzo, Brooke; Levesque, Emily M. (2019). "Atomic Absorption Line Diagnostics for the Physical Properties of Red Supergiants". The Astronomical Journal. 157 (4): 167. arXiv:1902.01862. Bibcode:2019AJ....157..167D. doi:10.3847/1538-3881/ab01cb. S2CID 119076156.
- ^ Anders, F.; Khalatyan, A.; Chiappini, C.; Queiroz, A. B.; Santiago, B. X.; Jordi, C.; Girardi, L.; Brown, A. G. A.; Matijevič, G.; Monari, G.; Cantat-Gaudin, T.; Weiler, M.; Khan, S.; Miglio, A.; Carrillo, I.; Romero-Gómez, M.; Minchev, I.; De Jong, R. S.; Antoja, T.; Ramos, P.; Steinmetz, M.; Enke, H. (2019). "Photo-astrometric distances, extinctions, and astrophysical parameters for Gaia DR2 stars brighter than G = 18". Astronomy and Astrophysics. 628: A94. arXiv:1904.11302. Bibcode:2019A&A...628A..94A. doi:10.1051/0004-6361/201935765. S2CID 131780028.
Categories:
- Tucana (constellation)
- M-type supergiants
- 2MASS objects
- PMMR objects
- Small Magellanic Cloud
- Extragalactic stars
- Stars in the Small Magellanic Cloud
- TIC objects
- Supergiant-star stubs