52 Cygni

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52 Cyg A / B

52 Cygni A and B
Observation data
Epoch J2000      Equinox J2000
Constellation Cygnus
Right ascension 20h 45m 39.7537s
Declination +30° 43' 10.975"'
Apparent magnitude (V) 4.233 / 9.5
Characteristics
Spectral type G9.5III
U−B color index 0.89
B−V color index 1.05
Variable type None
Astrometry
Radial velocity (Rv) -1.3 km/s
Proper motion (μ) RA: -8.01 mas/yr
Dec.: 24.04 mas/yr
Parallax (π) 15.84 ± 0.62 mas
Distance 206 ± 8 ly
(63 ± 2 pc)
Absolute magnitude (MV) 5.279
Details
Mass M
Radius R
Luminosity L
Surface gravity (log g) cgs
Temperature K
Metallicity ?
Rotation <17 km/s
Age ? years
Orbit
Companion 52 Cygni B
Semi-major axis (a) 6.1"
Other designations
GCRV 13012, IDS 20415+3021, TD1 27245, ADS 14259 A, IRC +30450, TYC 2687-2651-1, BD+30° 4167, GSC 02687-02651, JP11 3272, UBV M 25148, CCDM J20457+3043A, HD 197912, PLX 4952, UBV 17981, CSI+30° 4167 1, HIC 102453, ROT 3030, 1E 2043.5+3032, HIP 102453, SAO 70467, GC 28942, HR 7942, BD+30° 4167B, ADS 14259 B, CSI+30° 4167 2, STF 2726B, CCDM J20457+3043B.
Database references
SIMBAD data
Database references
SIMBAD data

52 Cygni is a binary star system in the Veil Nebula.

References[edit]