Astronomy
Constellations - Orion - 49 Ori

 
Identification Data
Common Name
ConstellationOrion
Star Name49 Ori
Skymap Number5380181
Henry Draper (HD) Number37507
Harvard Revised (HR) Number1937
SAO Number132411
Durchmusterung (DM) NumberSD-07 1142
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number188306
Right Ascension (RA) J20005h 38m 53.083s
Declination (Dec) J2000-7° 12' 46.184"
Position Uncertainty0.0144s
Proper Motion in RA (J2000)/cos(Dec)-0.00101
Proper Motion in Dec (J2000)-0.049666
Radial Velocity-001.3km s-1
Trigonometric Parallax+0.02124s
Trigonometric Parallax Uncertainty0.00205s
GCI Unit Vector in X (J2000)0.091274
GCI Unit Vector in Y (J2000)0.987879
GCI Unit Vector in Z (J2000)-0.125555
Galactic Longitude211.17°
Galactic Latitude
-19.40°
Observational Data
Observed Visual Magnitude (V)4.79
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.93
Observed B-V Colour+0.139
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 Magnitude4.7
Observed Photographic Magnitude5.0
Morgan Keenan (MK) Spectral TypeA4V
One-Dimensional Spectral ClassA3
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