LP 816-60
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Capricornus |
| Right ascension | 20h 52m 33.01679s |
| Declination | −16° 58′ 29.0249″ |
| Apparent magnitude (V) | 11.458 |
| Characteristics | |
| Spectral type | M4 |
| Astrometry | |
| Radial velocity (Rv) | 8.5 km/s |
| Proper motion (μ) | RA: -309.115 mas/yr Dec.: 37.051 mas/yr |
| Parallax (π) | 177.9312±0.0365 mas |
| Distance | 18.330 ± 0.004 ly (5.620 ± 0.001 pc) |
| Details | |
| Mass | 0.224±0.022 M☉ |
| Radius | 0.266±0.012 R☉ |
| Surface gravity (log g) | 4.584 cgs |
| Temperature | 3030±27 K |
| Metallicity [Fe/H] | -0.11±0.07 dex |
| Rotation | 67.6±0.1 d. |
| Rotational velocity (v sin i) | 2.70±0.66 km/s |
| Age | 2.57+8.15 −1.95 Gyr |
| Other designations | |
| HIP 103039, LP 816-60, NLTT 50038, TYC 6348-400-1, 2MASS J20523304-1658289 | |
| Database references | |
| SIMBAD | data |
Location of LP 816-60 in the constellation Capricornus | |
LP 816-60 is a single red dwarf star of spectral type M4, located in constellation Capricornus at 18.6 light-years from Earth.
The discovery name of this star is LP 816-60, which indicates that its discovery was published between 1963 and 1981 in University of Minnesota, Minneapolis. LP 816-60 is known at least from 1979, when it was included to Luyten's catalogue NLTT.
No massive planets were detected around LP 816-60 as in 2013. The star has a magnetic starspot cycle of 10.6±1.7 years, and weak magnetic fields in chromosphere averaging 4.4 G.