HD 71334
Star in the constellation of Puppis
From Wikipedia, the free encyclopedia
HD 71334 is a Sun-like star 128 light years (39 parsecs) from the Sun. HD 71334 is a G-type star and an older solar analog. It is older than the sun at 8.1 billion years, compared to the sun at 4.6 billion years old. At 8.1 billion years old, HD 71334 has passed its stable burning stage. HD 71334 has a lower metallicity that the Sun. HD 71334 is found in the constellations of Puppis. Puppis is one of the 88 modern constellations recognized by the International Astronomical Union. HD 71334 has a brightness of 7.8.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Puppis[1] |
| Right ascension | 08h 25m 49.51557s[2] |
| Declination | −29° 55′ 50.1338″[2] |
| Apparent magnitude (V) | 7.8[3] |
| Characteristics | |
| Evolutionary stage | main sequence[2] |
| Spectral type | G2.5V[4] |
| Astrometry | |
| Proper motion (μ) | RA: +139.242[2] mas/yr Dec.: −292.471[2] mas/yr |
| Parallax (π) | 25.4904±0.0174 mas[2] |
| Distance | 127.95 ± 0.09 ly (39.23 ± 0.03 pc) |
| Absolute magnitude (MV) | 4.94[1] |
| Details | |
| Mass | 0.94[3] M☉ |
| Radius | 1.045[2] R☉ |
| Luminosity | 0.993[2] L☉ |
| Surface gravity (log g) | 4.374[3] cgs |
| Temperature | 5,701[3] K |
| Metallicity [Fe/H] | −0.075[3] dex |
| Rotational velocity (v sin i) | 1.60±0.11[5] km/s |
| Age | 8.1[3] Gyr |
| Other designations | |
| HD 71334, HIP 41317, CD−29°6145, GJ 306.1, GJ 9263 | |
| Database references | |
| SIMBAD | data |
Sun comparison
Chart compares the sun to HD 71334.
| Identifier | J2000 Coordinates | Distance (ly) |
Stellar Class |
Temperature (K) |
Metallicity (dex) |
Age (Gyr) |
Notes | |
|---|---|---|---|---|---|---|---|---|
| Right ascension | Declination | |||||||
| Sun | — | — | 0.00 | G2V | 5,778 | +0.00 | 4.6 | [6] |
| HD 71334 [7] | 08h 25m 49.5s | −29° 55′ 50″ | 124 | G2.5V | 5,701 | −0.075 | 8.1 | |
