Astronomy
Constellations - Cygnus - 12phi Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name12phi Cyg
Skymap Number19390100
Henry Draper (HD) Number185734
Harvard Revised (HR) Number7478
SAO Number68637
Durchmusterung (DM) NumberBD+29 3684
Washington Double Stars (WDS) Number
19394+3009
Positional Data
Position and Proper Motion (PPM) Number83304
Right Ascension (RA) J200019h 39m 22.605s
Declination (Dec) J2000+30° 9' 11.956"
Position Uncertainty0.0054s
Proper Motion in RA (J2000)/cos(Dec)+0.00015
Proper Motion in Dec (J2000)+0.036166
Radial Velocity+005.7km s-1
Trigonometric Parallax+0.01300s
Trigonometric Parallax Uncertainty0.00059s
GCI Unit Vector in X (J2000)0.363299
GCI Unit Vector in Y (J2000)-0.784661
GCI Unit Vector in Z (J2000)0.502316
Galactic Longitude64.95°
Galactic Latitude
3.97°
Observational Data
Observed Visual Magnitude (V)4.68
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.65
Observed B-V Colour+0.971
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.8
Observed Photographic Magnitude5.8
Morgan Keenan (MK) Spectral TypeG8III-IV
One-Dimensional Spectral ClassK0
Position Angle77
Year of Observation1981. 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