Astronomy
Constellations - Cygnus - 30 Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name30 Cyg
Skymap Number20130063
Henry Draper (HD) Number192514
Harvard Revised (HR) Number7730
SAO Number49332
Durchmusterung (DM) NumberBD+46 2881
Washington Double Stars (WDS) Number
20136+4644
Positional Data
Position and Proper Motion (PPM) Number59516
Right Ascension (RA) J200020h 13m 18.053s
Declination (Dec) J2000+46° 48' 56.430"
Position Uncertainty0.0061s
Proper Motion in RA (J2000)/cos(Dec)+0.00130
Proper Motion in Dec (J2000)+0.001966
Radial Velocity-026.0km s-1
Trigonometric Parallax+0.00455s
Trigonometric Parallax Uncertainty0.00053s
GCI Unit Vector in X (J2000)0.375974
GCI Unit Vector in Y (J2000)-0.571817
GCI Unit Vector in Z (J2000)0.729156
Galactic Longitude82.71°
Galactic Latitude
6.87°
Observational Data
Observed Visual Magnitude (V)4.83
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.93
Observed B-V Colour+0.096
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.0
Observed Photographic Magnitude5.0
Morgan Keenan (MK) Spectral TypeA5IIIn
One-Dimensional Spectral ClassA2
Position Angle150
Year of Observation1901. AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:39 GMT+01:00 2001