IU Aurigae

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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
Distanceapprox. 700 ly
(approx. 220 pc)
Details
Other designations
HD 35652, PPM 70395, BD+34° 1051, SAO 58059, HIP 25565.
Database references
SIMBADdata

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[edit]

  1. ^ Watson, Christopher (4 January 2010). "IU Aurigae". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 13 July 2015.