V1057 Cygni

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V1057 Cygni
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Cygnus
Right ascension 20h 58m 53.732s[1]
Declination +44° 15′ 28.54″[1]
Apparent magnitude (V) 11.660[1]
Spectral type F:e...[1]
B−V color index 3.8[1]
Variable type FU Ori[1]
Other designations
V1057 Cyg
Database references

V1057 Cygni (V1057 Cyg) is a FU Orionis-type variable star in the constellation of Cygnus.[1] It has a spectral type of F and an apparent visual magnitude of approximately 11.660.[1] It was the second FU Orionis-type variable discovered.


  1. ^ a b c d e f g h V* V1057 Cyg -- Variable Star of FU Ori type, database entry, SIMBAD. Accessed on line July 1, 2009.