Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
---|---|
Constellation | Fornax |
Right ascension | 02h 50m 40.407s [1] |
Declination | −35° 40′ 33.06″ [1] |
Apparent magnitude (V) | 5.47 [2] |
Characteristics | |
Evolutionary stage | giant |
Spectral type | K2III [3] |
U−B color index | +1.31 [2] |
B−V color index | +1.25 [2] |
Astrometry | |
Radial velocity (Rv) | 13.10±0.12 [1] km/s |
Proper motion (μ) |
RA: +4.093
[1]
mas/
yr Dec.: −54.551 [1] mas/ yr |
Parallax (π) | 6.6631 ± 0.0580 mas [1] |
Distance | 489 ± 4
ly (150 ± 1 pc) |
Absolute magnitude (MV) | −0.26 [4] |
Details | |
Mass | 3.7 [1] M☉ |
Radius | 21.9 [1] R☉ |
Luminosity | 249 [1] L☉ |
Surface gravity (log g) | 2.27 [1] cgs |
Temperature | 4,717 [1] K |
Metallicity [Fe/H] | 0.156 [1] dex |
Rotational velocity (v sin i) | <1 [5] km/s |
Age | 217 [1] Myr |
Other designations | |
Database references | |
SIMBAD | data |
Eta3 Fornacis (η3 Fornacis) is an orange giant in the constellation of Fornax. The star has a spectral type of K2III and an apparent magnitude of 5.47. [7] The star is visually close to, but unrelated with the similar stars η2 Fornacis and η1 Fornacis. [7] The star is located at approximately 489 light years away with a luminosity of about 249 L☉, and is a suspected binary system with the primary being the orange giant. [8]
Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
---|---|
Constellation | Fornax |
Right ascension | 02h 50m 40.407s [1] |
Declination | −35° 40′ 33.06″ [1] |
Apparent magnitude (V) | 5.47 [2] |
Characteristics | |
Evolutionary stage | giant |
Spectral type | K2III [3] |
U−B color index | +1.31 [2] |
B−V color index | +1.25 [2] |
Astrometry | |
Radial velocity (Rv) | 13.10±0.12 [1] km/s |
Proper motion (μ) |
RA: +4.093
[1]
mas/
yr Dec.: −54.551 [1] mas/ yr |
Parallax (π) | 6.6631 ± 0.0580 mas [1] |
Distance | 489 ± 4
ly (150 ± 1 pc) |
Absolute magnitude (MV) | −0.26 [4] |
Details | |
Mass | 3.7 [1] M☉ |
Radius | 21.9 [1] R☉ |
Luminosity | 249 [1] L☉ |
Surface gravity (log g) | 2.27 [1] cgs |
Temperature | 4,717 [1] K |
Metallicity [Fe/H] | 0.156 [1] dex |
Rotational velocity (v sin i) | <1 [5] km/s |
Age | 217 [1] Myr |
Other designations | |
Database references | |
SIMBAD | data |
Eta3 Fornacis (η3 Fornacis) is an orange giant in the constellation of Fornax. The star has a spectral type of K2III and an apparent magnitude of 5.47. [7] The star is visually close to, but unrelated with the similar stars η2 Fornacis and η1 Fornacis. [7] The star is located at approximately 489 light years away with a luminosity of about 249 L☉, and is a suspected binary system with the primary being the orange giant. [8]