Astronomy
Constellations - Cygnus - 78mu 2Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name78mu 2Cyg
Skymap Number21440198
Henry Draper (HD) Number206827
Harvard Revised (HR) Number8310
SAO Number89939
Durchmusterung (DM) NumberBD+28 4169
Washington Double Stars (WDS) Number
21441+2845
Positional Data
Position and Proper Motion (PPM) Number400287
Right Ascension (RA) J200021h 44m 8.460s
Declination (Dec) J2000+28° 44' 34.623"
Position Uncertainty0.0197s
Proper Motion in RA (J2000)/cos(Dec)+0.02114
Proper Motion in Dec (J2000)-0.232967
Radial Velocity+018.0km s-1
Trigonometric Parallax+0.04464s
Trigonometric Parallax Uncertainty0.00069s
GCI Unit Vector in X (J2000)0.727190
GCI Unit Vector in Y (J2000)-0.489845
GCI Unit Vector in Z (J2000)0.480881
Galactic Longitude80.59°
Galactic Latitude
-18.34°
Observational Data
Observed Visual Magnitude (V)6.11
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.050
Observed B Magnitude6.68
Observed B-V Colour+0.57
Observed B Magnitude or (B-V) Magnitude Uncertainty0.050
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.1
Observed Photographic Magnitude6.5
Morgan Keenan (MK) Spectral TypeG2V
One-Dimensional Spectral ClassF5
Position Angle305
Year of Observation1994. 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