HD 73534
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cancer |
| Right ascension | 08h 39m 15.803s |
| Declination | +12° 57′ 37.35″ |
| Apparent magnitude (V) | 8.23 |
| Characteristics | |
| Evolutionary stage | subgiant |
| Spectral type | G5 IV |
| Apparent magnitude (B) | 9.192 |
| Apparent magnitude (J) | 6.524±0.018 |
| Apparent magnitude (H) | 6.072±0.020 |
| Apparent magnitude (K) | 5.962±0.026 |
| B−V color index | 0.962±0.021 |
| Astrometry | |
| Radial velocity (Rv) | +9.76±0.13 km/s |
| Proper motion (μ) | RA: −114.147 mas/yr Dec.: −93.787 mas/yr |
| Parallax (π) | 11.9576±0.0254 mas |
| Distance | 272.8 ± 0.6 ly (83.6 ± 0.2 pc) |
| Absolute magnitude (MV) | +3.70 |
| Details | |
| Mass | 1.228±0.060 M☉ |
| Radius | 2.39±0.16 R☉ |
| Luminosity | 3.33±0.43 L☉ |
| Surface gravity (log g) | 3.780±0.060 cgs |
| Temperature | 5,041±44 K |
| Metallicity [Fe/H] | 0.232±0.030 dex |
| Rotation | ~53 d |
| Rotational velocity (v sin i) | < 1.0 km/s |
| Age | 7.1±0.8 Gyr |
| Other designations | |
| Gakyid, BD+13°1956, HD 73534, HIP 42446, SAO 98004, PPM 125542 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
HD 73534 is star with an orbiting exoplanet companion in the northern constellation of Cancer. With an apparent visual magnitude of 8.23, it is too faint to be visible to the naked eye. The distance to this system is 273 light-years based on parallax measurements, and it is drifting further away with a heliocentric radial velocity of +10 km/s.