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Psi3 Aurigae
Star in the constellation Auriga / From Wikipedia, the free encyclopedia
Psi3 Aurigae, Latinized from ψ3 Aurigae, is a single,[10] blue-white hued star in the northern constellation of Auriga. It is dimly visible to the naked eye with an apparent visual magnitude of +5.20.[2] Based upon an annual parallax shift of 2.38 ± 0.39 mas as seen from the Earth,[1] it is approximately 1,370 light-years (420 parsecs) distant from the Sun.
For other stars with this Bayer designation, see ψ Aurigae.
Quick Facts Constellation, Right ascension ...
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
---|---|
Constellation | Auriga |
Right ascension | 06h 38m 49.18001s[1] |
Declination | +39° 54′ 09.2150″[1] |
Apparent magnitude (V) | +5.20[2] |
Characteristics | |
Spectral type | B8 III[3] |
U−B color index | −0.38[4] |
B−V color index | −0.07[4] |
Astrometry | |
Radial velocity (Rv) | +9.0±4.2[5] km/s |
Proper motion (μ) | RA: +27.19[1] mas/yr Dec.: +16.82[1] mas/yr |
Parallax (π) | 6.34 ± 0.20 mas[1] |
Distance | 510 ± 20 ly (158 ± 5 pc) |
Absolute magnitude (MV) | −2.71[6] |
Details | |
Radius | 4.2[7] R☉ |
Luminosity | 1,624[6] L☉ |
Temperature | 13,361±83[8] K |
Rotational velocity (v sin i) | 118[8] km/s |
Other designations | |
Database references | |
SIMBAD | data |
Close
This is a B-type giant star with a stellar classification of B8 III.[3] It has about 4.2[7] and is spinning with a relatively high projected rotational velocity of 118 km/s.[8] The star is radiating 1,624[6] times the Sun's luminosity from its photosphere at an effective temperature of 13,361 K.[8]