Psi6 Aurigae
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Template:Location mark Location of ψ6 Aurigae (circled) | |
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Auriga[1] |
| Right ascension | Template:RA[2] |
| Declination | Template:DEC[2] |
| Apparent magnitude (V) | +5.22[3] |
| Characteristics | |
| Spectral type | K0.5 III[4] |
| U−B Template:Engvar | +1.04[3] |
| B−V Template:Engvar | +1.11[3] |
| Variable type | Constant[1] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[5] km/s |
| Proper motion (μ) | RA: +3.988 mas/yr[2] Dec.: +4.748 mas/yr[2] |
| Parallax (π) | 8.0121±0.1402 mas[2] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | +0.01[1] |
| Orbit[6] | |
| Period (P) | Script error: No such module "val". |
| Eccentricity (e) | Script error: No such module "val". |
| Periastron epoch (T) | 52556 ± 310 MJD |
| Argument of periastron (ω) (secondary) | Script error: No such module "val".° |
| Semi-amplitude (K1) (primary) | Script error: No such module "val". km/s |
| Details[7] | |
| ψ6 Aur A | |
| Mass | Script error: No such module "val". Template:Solar mass |
| Radius | Script error: No such module "val". Template:Solar radius |
| Luminosity | Script error: No such module "val". Template:Solar luminosity |
| Surface gravity (log g) | Script error: No such module "val". cgs |
| Temperature | Script error: No such module "val". K |
| Metallicity [Fe/H] | Script error: No such module "val". dex |
| Rotational velocity (v sin i) | +10[8] km/s |
| Age | Script error: No such module "val". Gyr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| Template:Odlist[9] | |
| Database references | |
| SIMBAD | data |
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Psi6 Aurigae is a spectroscopic binary[6] star system in the northern constellation of Auriga. Its name is a Bayer designation that is Latinized from ψ6 Aurigae, and abbreviated Psi6 Aur or ψ6 Aur. This system is visible as a dim, naked eye star with an apparent visual magnitude of +5.22.[3] Based upon a measured annual parallax shift of Script error: No such module "val".,[2] it is approximately Script error: No such module "convert". distant from the Earth. The system is drifting closer to the Sun with a radial velocity of −6.5 km/s.[5]
This is a single-lined spectroscopic binary star system with an orbital period of Script error: No such module "convert". and an eccentricity of 0.044.[6] The visible component is an evolved K-type giant star with a stellar classification of K0.5 III.[4] It is most likely (78% chance) on the red giant branch and is around 1.55 billion years old. As such, it has an estimated double the mass of the Sun and about 18 times the Sun's radius. The star is radiating about 123 times the Sun's luminosity from its photosphere at an effective temperature of 4,574 K.[7]
References
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- ↑ a b c Template:Cite XHIP
- ↑ a b c d e Template:Cite Gaia DR3
- ↑ a b c d Script error: No such module "citation/CS1".
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- ↑ a b c Script error: No such module "citation/CS1".
- ↑ a b Script error: No such module "citation/CS1". The values presented are for the RGB branch model.
- ↑ Script error: No such module "citation/CS1".
- ↑ Template:Cite simbad
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