CD−44 170
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Phoenix |
| Right ascension | 00h 39m 58.8236s |
| Declination | −44° 15′ 11.577″ |
| Apparent magnitude (V) | 11.401 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | M0.5V |
| Astrometry | |
| Radial velocity (Rv) | 11.85±0.19 km/s |
| Proper motion (μ) | RA: 483.002 mas/yr Dec.: −221.111 mas/yr |
| Parallax (π) | 42.3320±0.0248 mas |
| Distance | 77.05 ± 0.05 ly (23.62 ± 0.01 pc) |
| Absolute magnitude (MV) | +9.51 |
| Details | |
| Mass | 0.53 M☉ |
| Radius | 0.52 R☉ |
| Luminosity | 0.04597±0.00087 L☉ |
| Surface gravity (log g) | 4.73 cgs |
| Temperature | 3604±72 K |
| Metallicity [Fe/H] | −0.09±0.09 dex |
| Rotation | 31.8 d |
| Rotational velocity (v sin i) | 2.00 km/s |
| Age | 8.27±4.08 Gyr |
| Other designations | |
| GJ 27.1, HIP 3143, TYC 7531-1014-1, 2MASS J00395880-4415117, Gaia DR2 4980466929964496128 | |
| Database references | |
| SIMBAD | data |
CD−44 170, also known as Gliese 27.1, Gliese 9018 and HIP 3143, is an M-type main-sequence star. Its surface temperature is 3,604 K (6,028 °F; 3,331 °C)±72 K. The star's concentration of heavy elements is similar to that of the Sun.