Psi⁵ Aurigae
ψ⁵ Aurigae
Observation data
Epoch J2000 Equinox J2000 |
| Constellation |
Auriga |
| Right ascension |
06h46m 44.3388s |
| Declination |
+43° 34′ 38.737″ |
| Apparent magnitude (V) |
5.252 |
| Characteristics |
| Spectral type |
G0V |
| U−B color index |
0.05 |
| B−V color index |
0.56 |
| Astrometry |
|
| Radial velocity (Rv) |
-24 ± 0.1 km/s |
| Proper motion (μ) |
RA: -0.28 ± 0.82 mas/yr
Dec.: 165.49 ± 0.55 mas/yr |
| Parallax (π) |
60.56 ± 0.73 mas |
| Distance |
53.9 ± 0.6 ly
(16.5 ± 0.2 pc) |
| Absolute magnitude (MV) |
5.781 |
|
| Details |
|
| Mass |
1.1 M☉ |
| Radius |
1.1 R☉ |
| Luminosity |
1,2 L☉ |
| Temperature |
5,000–6,000 K |
| Rotational velocity (v sin i) |
<= 6 km/s |
|
| Other designations |
56 Aurigae, HR 2483, HD 48682, Gl 245, BD+43°1595, FK5 255, HIP 32480, SAO 41330, GC 8836, ADS 5425, CCDM 06467+4335. |
| Database references |
| SIMBAD |
data |
| Data sources: |
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.) |
| Database references |
| SIMBAD |
data |
Psi⁵ Aurigae (ψ⁵ Aur, ψ⁵ Aurigae) is a double star in the constellation Auriga. It is approximately 53.9 light-years from Earth.
The main component is a yellow G-type main sequence dwarf with an apparent magnitude of +5.24. It has an optical companion which is 36 arcseconds away and has an apparent magnitude of +8.4.
The main star, which is similar to the sun, is being examined for evidence of extrasolar planets, but none have been found so far.
References
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← «Bright» star systems within 50–60 light-years →
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Chi Eridani (57.0 ± 0.6 ly; 2 stars)
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Mu Arae (49.8 ± 0.6 ly; 1 star, 4 planets: planet d • planet e • planet b • planet c)‡ • 51 Pegasi ( 50.1 ± 0.6 ly; 1 star, 1 planet: planet b «Bellerophon»)‡ • HR 7368 ( 50.5 ± 0.5 ly; 1 star, 2 brown dwarfs: brown dwarf C • brown dwarf B) • HR 2007 ( 50.8 ± 0.9 ly; 1 star, 1 planet: planet b)‡ • HR 8323 ( 51.0 ± 0.6 ly; 1 star) • HR 7670 ( 51.8 ± 0.5 ly; 3 stars, 2 planets: planet c • planet b) • Psi⁵ Aurigae ( 53.9 ± 0.6 ly; 1 star) • HR 3538 ( 55.8 ± 0.8 ly; 1 star) • Iota Horologii ( 56.2 ± 0.5 ly; 1 star, 1 planet: planet b) • 37 Geminorum ( 56.3 ± 0.9 ly; 1 star) • Rho Coronae Borealis ( 56.8 ± 0.7 ly; 1 star, 1 planet: planet b) • GJ 3021 ( 57.5 ± 0.5 ly; 1 star, 1 planet: planet b) • 15 Sagittae ( 57.6 ± 0.6 ly; 1 star, 1 brown dwarf) • HR 7644 ( 57.8 ± 0.8 ly; 1 star, 1 planet: planet b) • HR 5534 ( 58.5 ± 0.9 ly; 1 star, 2 brown dwarfs) • Gliese 651 ( 58.9 ± 0.6 ly; 1 star, 1 planet: planet b) • 70 Virginis ( 59.1 ± 0.8 ly; 1 star, 1 planet: planet b) • Pi Mensae ( 59.4 ± 0.5 ly; 1 star, 1 planet: planet b)
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In left column are stellar classes of primary members of star systems. ‡Distance error margin extends out of declared distance interval. Italic are systems possibly located within declared distance interval, but probably not.
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