Astronomy
Constellations - Gemini - 61 Gem

 
Identification Data
Common Name
ConstellationGemini
Star Name61 Gem
Skymap Number7260218
Henry Draper (HD) Number58579
Harvard Revised (HR) Number2837
SAO Number79391
Durchmusterung (DM) NumberBD+20 1805
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number97509
Right Ascension (RA) J20007h 26m 56.330s
Declination (Dec) J2000+20° 15' 27.205"
Position Uncertainty0.0093s
Proper Motion in RA (J2000)/cos(Dec)+0.00016
Proper Motion in Dec (J2000)-0.010466
Radial Velocity+009.0km s-1
Trigonometric Parallax+0.00804s
Trigonometric Parallax Uncertainty0.00104s
GCI Unit Vector in X (J2000)-0.347404
GCI Unit Vector in Y (J2000)0.871451
GCI Unit Vector in Z (J2000)0.346241
Galactic Longitude198.30°
Galactic Latitude
16.66°
Observational Data
Observed Visual Magnitude (V)5.94
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude6.26
Observed B-V Colour+0.323
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 Magnitude5.9
Observed Photographic Magnitude6.2
Morgan Keenan (MK) Spectral TypeF2Vn
One-Dimensional Spectral ClassF0
Position Angle236
Year of Observation1988. 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