HD 152079
HD 152079 is a star with an orbiting exoplanet in the southern constellation of Ara. It is located at a distance of 287 light years from the Sun based on parallax measurements, but is drifting closer with a radial velocity of −21 km/s. At that distance the star is much too faint to be visible with the naked eye, having an apparent visual magnitude of 9.18.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Ara |
| Right ascension | 16h 53m 05.755s |
| Declination | –46° 19′ 58.64″ |
| Apparent magnitude (V) | 9.18 |
| Characteristics | |
| Spectral type | G6V |
| Apparent magnitude (B) | 9.891 |
| Apparent magnitude (J) | 7.984±0.021 |
| Apparent magnitude (H) | 7.656±0.031 |
| Apparent magnitude (K) | 7.634±0.021 |
| B−V color index | 0.711±0.025 |
| Astrometry | |
| Radial velocity (Rv) | −21.338±0.0007 km/s |
| Proper motion (μ) | RA: −107.358 mas/yr Dec.: −93.597 mas/yr |
| Parallax (π) | 11.3545 ± 0.0142 mas |
| Distance | 287.2 ± 0.4 ly (88.1 ± 0.1 pc) |
| Absolute magnitude (MV) | 4.62 |
| Details | |
| Mass | 1.147±0.030 M☉ |
| Radius | 1.128±0.074 R☉ |
| Luminosity | 1.443 L☉ |
| Surface gravity (log g) | 4.365±0.054 cgs |
| Temperature | 5,907±52 K |
| Metallicity [Fe/H] | 0.29±0.07 dex |
| Rotational velocity (v sin i) | 2.6 km/s |
| Age | 6.2 Gyr 1.622±1.369 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
This is a G-type main-sequence star with a stellar classification of G6V. Age estimates range from 1.6 to 6.2 billion years. It has 1.15 times the mass of the Sun and 1.13 times the Sun's girth. This is a metal-rich star, having a higher iron abundance than in the Sun. The star is radiating 1.44 times the luminosity of the Sun from its photosphere at an effective temperature of 5,907 K.
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