Astronomy
Constellations - Gemini - 3 Gem

 
Identification Data
Common Name
ConstellationGemini
Star Name3 Gem
Skymap Number6090197
Henry Draper (HD) Number42087
Harvard Revised (HR) Number2173
SAO Number78050
Durchmusterung (DM) NumberBD+23 1226
Washington Double Stars (WDS) Number
06097+2307
Positional Data
Position and Proper Motion (PPM) Number95522
Right Ascension (RA) J20006h 9m 43.984s
Declination (Dec) J2000+23° 6' 48.478"
Position Uncertainty0.0115s
Proper Motion in RA (J2000)/cos(Dec)-0.00008
Proper Motion in Dec (J2000)-0.001467
Radial Velocity+016.0km s-1
Trigonometric Parallax-0.00051s
Trigonometric Parallax Uncertainty0.00115s
GCI Unit Vector in X (J2000)-0.039048
GCI Unit Vector in Y (J2000)0.918900
GCI Unit Vector in Z (J2000)0.392553
Galactic Longitude187.76°
Galactic Latitude
1.77°
Observational Data
Observed Visual Magnitude (V)5.76
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude5.92
Observed B-V Colour+0.158
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.8
Observed Photographic Magnitude5.5
Morgan Keenan (MK) Spectral TypeB2.5Ib
One-Dimensional Spectral ClassB1
Position Angle339
Year of Observation1961. 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 13:15:41 GMT+01:00 2001