Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Auriga |
Right ascension | 06h 00m 58.56230s [2] |
Declination | +47° 54′ 06.9180″ [2] |
Apparent magnitude (V) | 5.71 [3] |
Characteristics | |
Spectral type | A1 Vp Si [4] or B9.5p Si,Fe [1] |
B−V color index | −0.007±0.004 [3] |
Variable type | α2 CVn [5] |
Astrometry | |
Radial velocity (Rv) | +15.8±2.1 [3] km/s |
Proper motion (μ) |
RA: +4.186
[2]
mas/
yr Dec.: −20.368 [2] mas/ yr |
Parallax (π) | 3.5882 ± 0.1266 mas [2] |
Distance | 910 ± 30
ly (279 ± 10 pc) |
Absolute magnitude (MV) | −1.97 [3] |
Details | |
Mass | 4.42±0.43 [6] M☉ |
Luminosity | 724+348 −234 [6] L☉ |
Temperature | 10,046+522 −496 [6] K |
Rotational velocity (v sin i) | 20 [7] km/s |
Other designations | |
Database references | |
SIMBAD | data |
36 Aurigae is a single [9] variable star located about 910 [2] light years away from the Sun in the constellation Auriga. It has the variable star designation V444 Aurigae, while 36 Aurigae is the Flamsteed designation. [8] This object is visible to the naked eye as a dim, white-hued star with a baseline apparent visual magnitude of 5.71. It is moving further from the Earth with a heliocentric radial velocity of +16 km/s. [3]
This is a magnetic chemically peculiar star that has been given stellar classifications of A1 Vp Si [4] and B9.5p Si,Fe, [1] indicating it is a late B- or early A-type star showing peculiarities of silicon and iron in the spectrum. It is an Alpha2 Canum Venaticorum variable that ranges in visual magnitude from 5.70 down to 5.74 with a period of 14.368 days. [5] The star has 4.4 [6] times the mass of the Sun and is radiating 724 times the Sun's luminosity from its photosphere at an effective temperature of 10,046 K. [6]