Astronomy
Constellations - Orion - 22 Ori

 
Identification Data
Common Name
ConstellationOrion
Star Name22 Ori
Skymap Number5210126
Henry Draper (HD) Number35039
Harvard Revised (HR) Number1765
SAO Number132028
Durchmusterung (DM) NumberBD-00 930
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number175807
Right Ascension (RA) J20005h 21m 45.747s
Declination (Dec) J2000-0° 22' 56.875"
Position Uncertainty0.0067s
Proper Motion in RA (J2000)/cos(Dec)+0.00003
Proper Motion in Dec (J2000)+0.001766
Radial Velocity+027.9km s-1
Trigonometric Parallax+0.00253s
Trigonometric Parallax Uncertainty0.00074s
GCI Unit Vector in X (J2000)0.166066
GCI Unit Vector in Y (J2000)0.986092
GCI Unit Vector in Z (J2000)-0.006675
Galactic Longitude202.64°
Galactic Latitude
-20.03°
Observational Data
Observed Visual Magnitude (V)4.72
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.56
Observed B-V Colour-0.164
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB2IV-V
One-Dimensional Spectral ClassB3
Position Angle
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 13:15:46 GMT+01:00 2001