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 |
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]
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]
Orbiting the star are three confirmed planets. The discovery paper for HIP 14810 b and HIP 14810 c was published in 2007, [8] while that for HIP 14810 d was published in 2009, together with a revision for the orbital parameters for planet c. [5] Simulations suggest that the orbits of these planets do not allow a stable orbit for a hypothetical super-earth in the habitable zone. [9]
Companion (in order from star) |
Mass |
Semimajor axis ( AU) |
Orbital period ( days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | ≥3.9±0.49 MJ | 0.0696±0.0044 | 6.673892±0.000008 | 0.14399±0.00087 | — | — |
c | ≥1.31±0.18 MJ | 0.549±0.034 | 147.747±0.029 | 0.1566±0.0099 | — | — |
d | ≥0.59±0.1 MJ | 1.94±0.13 | 981.8±6.9 | 0.185±0.035 | — | — |
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 |
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]
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]
Orbiting the star are three confirmed planets. The discovery paper for HIP 14810 b and HIP 14810 c was published in 2007, [8] while that for HIP 14810 d was published in 2009, together with a revision for the orbital parameters for planet c. [5] Simulations suggest that the orbits of these planets do not allow a stable orbit for a hypothetical super-earth in the habitable zone. [9]
Companion (in order from star) |
Mass |
Semimajor axis ( AU) |
Orbital period ( days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | ≥3.9±0.49 MJ | 0.0696±0.0044 | 6.673892±0.000008 | 0.14399±0.00087 | — | — |
c | ≥1.31±0.18 MJ | 0.549±0.034 | 147.747±0.029 | 0.1566±0.0099 | — | — |
d | ≥0.59±0.1 MJ | 1.94±0.13 | 981.8±6.9 | 0.185±0.035 | — | — |