Astronomy
Constellations - Orion - 75 Ori

 
Identification Data
Common Name
ConstellationOrion
Star Name75 Ori
Skymap Number6170024
Henry Draper (HD) Number43525
Harvard Revised (HR) Number2247
SAO Number113675
Durchmusterung (DM) NumberBD+09 1173
Washington Double Stars (WDS) Number
06171+0957
Positional Data
Position and Proper Motion (PPM) Number150221
Right Ascension (RA) J20006h 17m 6.619s
Declination (Dec) J2000+9° 56' 32.606"
Position Uncertainty0.0073s
Proper Motion in RA (J2000)/cos(Dec)+0.00035
Proper Motion in Dec (J2000)-0.059966
Radial Velocity+013.9km s-1
Trigonometric Parallax+0.01285s
Trigonometric Parallax Uncertainty0.00080s
GCI Unit Vector in X (J2000)-0.073468
GCI Unit Vector in Y (J2000)0.982238
GCI Unit Vector in Z (J2000)0.172658
Galactic Longitude200.17°
Galactic Latitude
-2.99°
Observational Data
Observed Visual Magnitude (V)5.40
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.50
Observed B-V Colour+0.101
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 Magnitude5.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA2V
One-Dimensional Spectral ClassA2
Position Angle260
Year of Observation1959. 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