Astronomy
Constellations - Orion - 54chi1Ori

 
Identification Data
Common Name
ConstellationOrion
Star Name54chi1Ori
Skymap Number5540077
Henry Draper (HD) Number39587
Harvard Revised (HR) Number2047
SAO Number77705
Durchmusterung (DM) NumberBD+20 1162
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number95062
Right Ascension (RA) J20005h 54m 22.982s
Declination (Dec) J2000+20° 16' 34.228"
Position Uncertainty0.0107s
Proper Motion in RA (J2000)/cos(Dec)-0.01160
Proper Motion in Dec (J2000)-0.098966
Radial Velocity-013.4km s-1
Trigonometric Parallax+0.11543s
Trigonometric Parallax Uncertainty0.00108s
GCI Unit Vector in X (J2000)0.022988
GCI Unit Vector in Y (J2000)0.937751
GCI Unit Vector in Z (J2000)0.346546
Galactic Longitude188.46°
Galactic Latitude
-2.73°
Observational Data
Observed Visual Magnitude (V)4.40
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.00
Observed B-V Colour+0.597
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.6
Observed Photographic Magnitude5.1
Morgan Keenan (MK) Spectral TypeG0-VCa0.5
One-Dimensional Spectral ClassF8
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