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 |
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 the Solar System, it would engulf the orbit of Jupiter.[3]