HD 141399
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 15h 46m 53.8132s |
| Declination | +46° 59′ 10.543″ |
| Apparent magnitude (V) | 7.20 |
| Characteristics | |
| Evolutionary stage | subgiant |
| Spectral type | K0 |
| B−V color index | 0.73±0.04 |
| Astrometry | |
| Radial velocity (Rv) | −21.9±0.2 km/s |
| Proper motion (μ) | RA: −108.119 mas/yr Dec.: +6.040 mas/yr |
| Parallax (π) | 26.9888±0.0146 mas |
| Distance | 120.85 ± 0.07 ly (37.05 ± 0.02 pc) |
| Absolute magnitude (MV) | +4.4 |
| Details | |
| Mass | 1.09±0.08 M☉ |
| Radius | 1.46±0.15 R☉ |
| Luminosity | 1.59±0.39 L☉ |
| Surface gravity (log g) | 4.24±0.05 cgs |
| Temperature | 5,602±34 K |
| Metallicity [Fe/H] | 0.36±0.03 dex |
| Rotation | 49±12 |
| Rotational velocity (v sin i) | 2.9±1.0 km/s |
| Age | 7.23 Gyr |
| Other designations | |
| BD+47 2267, HIP 77301, TYC 3490-928-1, GSC 03490-00928, 2MASS J15465382+4659105 | |
| Database references | |
| SIMBAD | data |
HD 141399 is a K-type subgiant star 121 light-years away in the constellation of Boötes. Its surface temperature is 5602 K. HD 141399 is enriched in heavy elements compared to the Sun, with a metallicity Fe/H index of 0.36±0.03. The star has very low starspot activity.