IU Aurigae
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Auriga |
Right ascension | 05h 27m 52.4005s |
Declination | +34° 46′ 58.25″ |
Apparent magnitude (V) | 8.19 - 8.83 |
Characteristics | |
Spectral type | B3Vnne |
U−B color index | -0.66 |
B−V color index | 0.18 |
Astrometry | |
Radial velocity (Rv) | 9 ± 5 km/s |
Proper motion (μ) | RA: 1.16 ± 1.57 mas/yr Dec.: -0.35 ± 0.71 mas/yr |
Parallax (π) | 4.55 ± 1.32 mas |
Distance | approx. 700 ly (approx. 220 pc) |
Details | |
Other designations | |
Database references | |
SIMBAD | data |
IU Aurigae is an eclipsing binary star system of the Beta Lyrae type in the constellation Auriga. It is composed of two blue-white stars of spectral class B that orbit each other every 1.8 days, the apparent magnitude varying between 8.19 and 8.83.[1]
References
- ↑ Watson, Christopher (4 January 2010). "IU Aurigae". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 13 July 2015.
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