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] |
Characteristics | |
Spectral type | F7/G3 I/IIe[2] |
B−V color index | 3.8[1] |
Variable type | FU Ori[1] |
Other designations | |
V1057 Cyg | |
Database references | |
SIMBAD | data |
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.
References
- 1 2 3 4 5 6 7 V* V1057 Cyg -- Variable Star of FU Ori type, database entry, SIMBAD. Accessed on line July 1, 2009.
- ↑ Herbig, G. H.; Petrov, P. P.; Duemmler, R. (2003). "High-Resolution Spectroscopy of FU Orionis Stars". The Astrophysical Journal. 595: 384. arXiv:astro-ph/0306559. Bibcode:2003ApJ...595..384H. doi:10.1086/377194.
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