Observation data Epoch J2000 Equinox J2000 |
|
---|---|
Constellation | Auriga |
Right ascension | 06h 36m 32.8364s |
Declination | +38° 26′ 43.8″ |
Apparent magnitude (V) | 5.446 |
Characteristics | |
Spectral type | C5II |
B−V color index | 2.61 |
R−I color index | 1.43 |
Variable type | Semiregular variable |
Astrometry | |
Radial velocity (Rv) | 12 km/s |
Proper motion (μ) | RA: -1.76 mas/yr Dec.: -21.41 mas/yr |
Parallax (π) | 1.8 ± 0.81 mas |
Distance | approx. 1800 ly (approx. 600 pc) |
Absolute magnitude (MV) | 8.453 |
Details | |
Mass | 0,8 M☉ |
Radius | 0,9 R☉ |
Luminosity | 0,4 L☉ |
Temperature | 3450 K |
Orbit | |
Companion | CCDM 06365+3827 B |
Semimajor axis (a) | 17.9" |
Inclination (i) | 222° |
Other designations | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
UU Aurigae is a carbon star and binary star in the constellation Auriga. It is approximately 1810 light-years from Earth.
UU Aurigae is a carbon-rich C-type giant, with a mean apparent magnitude of +5.4. It is classified as a semiregular variable star and its brightness varies from magnitude +7.83 to +10.0 in B with a period of 234 days.
NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
---|---|---|---|---|---|
IDS 06295+3831 B (BD+38 1539B) | 06h 36m 31.7s | +38° 26' 31 | 10.7 | Simbad |