Sand 364
Sand 364 in Messier 67, circled in red | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cancer |
| Right ascension | 08h 49m 56.818s |
| Declination | +11° 41′ 32.99″ |
| Apparent magnitude (V) | 9.8 |
| Characteristics | |
| Evolutionary stage | red giant branch |
| Spectral type | K3III |
| U−B color index | 4.06 |
| B−V color index | 1.36 |
| Variable type | SR/L |
| Astrometry | |
| Radial velocity (Rv) | 33.32±0.13 km/s |
| Proper motion (μ) | RA: -10.756 mas/yr Dec.: -2.811 mas/yr |
| Parallax (π) | 1.1905±0.0177 mas |
| Distance | 2,740 ± 40 ly (840 ± 10 pc) |
| Absolute magnitude (MV) | -0.18 |
| Details | |
| Mass | 1.35±0.05 M☉ |
| Radius | 18.8 R☉ |
| Luminosity | 152.7 L☉ |
| Surface gravity (log g) | 2.20±0.06 cgs |
| Temperature | 4284±9 K |
| Metallicity [Fe/H] | −0.02±0.04 dex |
| Rotational velocity (v sin i) | 4.2±0.5 km/s |
| Age | 4.15±0.65 Gyr |
| Other designations | |
| BD+12 1917, EPIC 211403356, TYC 813-2344-1, NGC 2682 SAND 364 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
Sand 364 is a K-type giant star on the red giant branch within the cluster Messier 67 (also called NGC 2682), which is located in the constellation Cancer. With an apparent magnitude of 9.8, it is too faint to be seen with the naked eye, but is visible through binoculars or a small telescope under clear, dark skies. It is located at a distance of about 2,740 light-years (840 parsecs) from the Sun based on parallax, and has an absolute magnitude of -0.18.