HIP 14810
Star in the constellation Aries / From Wikipedia, the free encyclopedia
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HIP 14810 is a star with three exoplanetary companions in the northern constellation of Aries. It positioned about 1.3° to the north of Delta Arietis,[7] but is too faint to be visible to the naked eye with an apparent visual magnitude of 8.6.[2] The system is located at a distance of 165 light-years from the Sun based on parallax measurements,[1] but is drifting closer with a radial velocity of −5 km/s.[2]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aries |
Right ascension | 03h 11m 14.2302s[1] |
Declination | +21° 05′ 50.4927″[1] |
Apparent magnitude (V) | 8.585±0.016[2] |
Characteristics | |
Spectral type | G6V[2] |
B−V color index | 0.777±0.021[3] |
Astrometry | |
Radial velocity (Rv) | −5.121±0.681[2] km/s |
Proper motion (μ) | RA: −3.784±0.087[1] mas/yr Dec.: −53.154±0.070[1] mas/yr |
Parallax (π) | 19.7810 ± 0.0449 mas[1] |
Distance | 164.9 ± 0.4 ly (50.6 ± 0.1 pc) |
Absolute magnitude (MV) | 4.89[3] |
Details | |
Mass | 0.98±0.02 M☉[4] M☉ |
Radius | 1.08±0.03[4] R☉ |
Luminosity | 0.99±0.01[4] L☉ |
Surface gravity (log g) | 4.35±0.03[4] cgs |
Temperature | 5,535±51[4] K |
Metallicity [Fe/H] | 0.28±0.06[2] dex |
Rotational velocity (v sin i) | 0.54±0.5[5] km/s |
Age | 8.7±2.0 Gyr[4] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
Exoplanet Archive | data |
This is an ordinary G-type main-sequence star with a stellar classification of G6V.[2] It has a relatively low activity level and a low projected rotational velocity of 0.5 km/s, which indicates it is an old star with an age of around eight billion years.[5] The star has a high metallicity with a mass and luminosity about the same as the Sun.[4]