Astronomy
Constellations - Gemini - 80pi Gem

 
Identification Data
Common Name
ConstellationGemini
Star Name80pi Gem
Skymap Number7470112
Henry Draper (HD) Number62898
Harvard Revised (HR) Number3013
SAO Number60340
Durchmusterung (DM) NumberBD+33 1585
Washington Double Stars (WDS) Number
07475+3325
Positional Data
Position and Proper Motion (PPM) Number73110
Right Ascension (RA) J20007h 47m 30.323s
Declination (Dec) J2000+33° 24' 56.509"
Position Uncertainty0.0088s
Proper Motion in RA (J2000)/cos(Dec)-0.00150
Proper Motion in Dec (J2000)-0.028666
Radial Velocity-012.0km s-1
Trigonometric Parallax+0.00580s
Trigonometric Parallax Uncertainty0.00081s
GCI Unit Vector in X (J2000)-0.377339
GCI Unit Vector in Y (J2000)0.744537
GCI Unit Vector in Z (J2000)0.550709
Galactic Longitude186.77°
Galactic Latitude
25.53°
Observational Data
Observed Visual Magnitude (V)5.14
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.75
Observed B-V Colour+1.608
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeM1IIIa
One-Dimensional Spectral ClassK2
Position Angle215
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