57 Cygni

57 Cygni
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Cygnus
Right ascension 20h 53m 14.75503s[1]
Declination +44° 23′ 14.1408″[1]
Spectral typeB5V[1]
Other designations
BD+43° 3755, HD 199081, HIP 103089, HR 8001, SAO 50180,

57 Cygni (57 Cyg) is an eclipsing binary star in the constellation Cygnus. Its apparent magnitude is 4.77. This star can be seen with the naked eye. It is a main sequence blue dwarf star. In 1997, 57 Cygni was recorded at 501.02 light-years from Earth. In 2007, it was recorded at 525.22 light fears from Earth.[2]

References

  1. 1 2 3 SIMBAD, 57 Cygni (accessed 27 August 2012)
  2. ↑ "57 Cygni, HD199081, HIP103089, HR8001". universeguide.com. Retrieved April 16, 2018.


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