Astronomy
Constellations - Orion - 23 Ori

 
Identification Data
Common Name
ConstellationOrion
Star Name23 Ori
Skymap Number5220149
Henry Draper (HD) Number35149
Harvard Revised (HR) Number1770
SAO Number112697
Durchmusterung (DM) NumberBD+03 871
Washington Double Stars (WDS) Number
05228+0333
Positional Data
Position and Proper Motion (PPM) Number148857
Right Ascension (RA) J20005h 22m 50.000s
Declination (Dec) J2000+3° 32' 40.029"
Position Uncertainty0.0097s
Proper Motion in RA (J2000)/cos(Dec)-0.00013
Proper Motion in Dec (J2000)+0.001866
Radial Velocity+018.0km s-1
Trigonometric Parallax+0.00339s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)0.161151
GCI Unit Vector in Y (J2000)0.984991
GCI Unit Vector in Z (J2000)0.061823
Galactic Longitude199.16°
Galactic Latitude
-17.86°
Observational Data
Observed Visual Magnitude (V)4.98
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.82
Observed B-V Colour-0.157
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.0
Observed Photographic Magnitude4.6
Morgan Keenan (MK) Spectral TypeB1V
One-Dimensional Spectral ClassB3
Position Angle29
Year of Observation1973. 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