Astronomy
Constellations - Gemini - 2 Gem

 
Identification Data
Common Name
ConstellationGemini
Star Name2 Gem
Skymap Number6060196
Henry Draper (HD) Number41543
Harvard Revised (HR) Number
SAO Number77971
Durchmusterung (DM) NumberBD+23 1192
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number95406
Right Ascension (RA) J20006h 6m 48.661s
Declination (Dec) J2000+23° 38' 18.971"
Position Uncertainty0.0144s
Proper Motion in RA (J2000)/cos(Dec)+0.00014
Proper Motion in Dec (J2000)-0.001366
Radial Velocity-015.3km s-1
Trigonometric Parallax+0.00376s
Trigonometric Parallax Uncertainty0.00116s
GCI Unit Vector in X (J2000)-0.027221
GCI Unit Vector in Y (J2000)0.915688
GCI Unit Vector in Z (J2000)0.400966
Galactic Longitude186.97°
Galactic Latitude
1.44°
Observational Data
Observed Visual Magnitude (V)6.65
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.007
Observed B Magnitude8.02
Observed B-V Colour+1.374
Observed B Magnitude or (B-V) Magnitude Uncertainty0.011
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.9
Observed Photographic Magnitude8.1
Morgan Keenan (MK) Spectral TypeK2II
One-Dimensional Spectral ClassK0
Position Angle90
Year of Observation 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