UU Aurigae
| 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. 1,800 ly (approx. 600 pc) |
| Absolute magnitude (MV) | -3.19 |
| Details | |
| Mass | 2.8±1.1 M☉ |
| Radius | 465±130 R☉ |
| Luminosity | 15,800 L☉ |
| Temperature | 2,820 K |
| Orbit | |
| Companion | CCDM 06365+3827 B |
| Semi-major 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.
Components
| 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 |
External links
- "The semiregular variable UU Aurigae" (academic paper abstract)
- HR 2405
- CCDM J06365+3827
- Image UU Aurigae
This article is issued from Wikipedia - version of the 5/20/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.