HD 48265
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Puppis |
| Right ascension | 06h 40m 01.7270s |
| Declination | −48° 32′ 31.042″ |
| Apparent magnitude (V) | 8.07 |
| Characteristics | |
| Spectral type | G5IV/V |
| Apparent magnitude (B) | ~8.80 |
| Apparent magnitude (J) | 6.842 ± 0.021 |
| Apparent magnitude (H) | 6.529 ± 0.061 |
| Apparent magnitude (K) | 6.449 ± 0.020 |
| Astrometry | |
| Radial velocity (Rv) | 22.5 ± 0.2 km/s |
| Proper motion (μ) | RA: 26.524±0.089 mas/yr Dec.: 29.689±0.095 mas/yr |
| Parallax (π) | 11.14±0.21 mas |
| Distance | 293 ± 6 ly (90 ± 2 pc) |
| Absolute magnitude (MV) | 3.34 |
| Details | |
| Mass | 0.93 M☉ |
| Radius | 2.34 ± 0.26 R☉ |
| Luminosity | 0.623 ± 0.058 L☉ |
| Temperature | 5,508 K |
| Metallicity [Fe/H] | 0.29 ± 0.05 dex |
| Rotational velocity (v sin i) | 3.0 km/s |
| Age | 4.8 Gyr |
| Other designations | |
| Nosaxa, CD–48 2430, HD 48265, HIP 31895, SAO 218115. | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
HD 48265 is the Henry Draper Catalogue designation for a star in the southern constellation Puppis. It has an apparent visual magnitude of 8.07, which makes it too faint to be seen with the naked eye. Based upon parallax measurements made during the Hipparcos mission, it is located at a distance of roughly 293 light-years (90 parsecs) from Earth.
This star has a stellar classification of G5IV/V, suggesting that, at an age of 4.8 billion years, it has reached an intermediate evolutionary stage between a main sequence star and a subgiant. It has but 93% of the mass of the Sun, while its outer atmosphere has begun to expand, reaching about 2.3 times the Sun's radius. HD 48265 is radiating 62% of the Sun's luminosity from its atmosphere at an effective temperature of 5,508 K, giving it the yellowish glow of a G-type star. Measurement of the chemical abundances of this star indicate that, compared to the Sun, it has a 95% greater proportion of elements other than hydrogen and helium—what astronomers term the star's metallicity.