PU Aurigae
Star in the constellation Auriga / From Wikipedia, the free encyclopedia
PU Aurigae is an irregular variable star located in the constellation Auriga. A red giant, it varies by 0.1 magnitude around magnitude 5.64.[8] Located around 560 light-years distant, it shines with a luminosity approximately 1,523 times that of the Sun and has a surface temperature of 3,482 K.[6]
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
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Constellation | Auriga |
Right ascension | 05h 18m 15.69826s[2] |
Declination | +42° 47′ 31.6133″[2] |
Apparent magnitude (V) | 5.55[3] |
Characteristics | |
Spectral type | M4 III[3] |
B−V color index | 1.492±0.012[3] |
Variable type | Lb[4] |
Astrometry | |
Radial velocity (Rv) | −38.41±1.02[3] km/s |
Proper motion (μ) | RA: +17.98[5] mas/yr Dec.: −30.61[5] mas/yr |
Parallax (π) | 5.7462 ± 0.2309 mas[2] |
Distance | 570 ± 20 ly (174 ± 7 pc) |
Absolute magnitude (MV) | −0.63[3] |
Details | |
Luminosity | 1,523[6] L☉ |
Temperature | 3,482[6] K |
Other designations | |
Database references | |
SIMBAD | data |
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