56 Cygni
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 20h 50m 04.93158s [1] |
| Declination | +44° 03′ 33.4895″ [1] |
| Absolute magnitude (V) | +1.90[2] |
| Spectral type | A6V |
| Other designations | |
HR 7984, HIP 102843, HD 198639, SAO 50121, BD+43 3739 | |
56 Cygni is a double star in the constellation Cygnus. Its apparent magnitude is 5.07. Located around 40.97 parsecs (133.6 ly) distant, the primary is a A-type star of spectral type A4me.[1] The spectral type of the secondary, with an apparent magnitude of 11.1, is unknown.[3]
References
- 1 2 3 "* 56 Cyg". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 11 January 2014.
- ↑ Eggen, Olin J. (July 1998), "The Age Range of Hyades Stars", The Astronomical Journal, 116 (1): 284–292, Bibcode:1998AJ....116..284E, doi:10.1086/300413.
- ↑ "BD+43 3739B". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 11 January 2014.
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