Peter 412

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Double star
Gliese 412
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Big Bear
Right ascension 11 h 05 m 27.65 s
declination + 43 ° 31 ′ 38.7 ″
Apparent brightness 8.78 / 14.45 mag
Typing
Spectral class M1 Ve / M6.0 V
Astrometry
parallax (206.27 ± 1.00 / 204.05 ± 0.17)  mas
distance (15.8 / 16.0)  ly
(4.9)  pc
Physical Properties
Other names
and catalog entries
Bonn survey BD + 44 ° 2051
Gliese catalog FY 412 [1]
Hipparcos catalog HIP 54211 [2]
SAO catalog SAO 43609 [3]
Tycho catalog TYC 3012-2528-1 [4]

Gliese 412 is believed to be a binary star system consisting of two red dwarfs in the constellation Great Bear (Ursa Major). The two stars are about 16 light years (4.9 parsecs ) away from Earth , making them one of the closest stars.

Gliese 412 A (HIP 54211) is the brightest component of the Gliese 412 system. Gliese 412 A has the spectral class M1 Ve. The star has an apparent magnitude of about 8.8.

Gliese 412 B (HIP 54211 B, WX Ursae Majoris) is a UV-Ceti star , which probably belongs to the same system with spectral class M6.0 V. Its apparent brightness is only about 14.4. According to Gaia DR2 , the star is at a distance of 15.97 ± 0.02 light years .

Individual evidence

  1. ↑ VBS 18. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed September 16, 2018 .
  2. ↑ a b c BD + 44 2051. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed September 16, 2018 .
  3. ↑ a b c BD + 44 2051+. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed September 16, 2018 .
  4. ↑ WX Uma. In: VSX. AAVSO, accessed September 16, 2018 .