Astronomy
Constellations - Leo - 22 Leo

 
Identification Data
Common Name
ConstellationLeo
Star Name22 Leo
Skymap Number9510160
Henry Draper (HD) Number85376
Harvard Revised (HR) Number3900
SAO Number81054
Durchmusterung (DM) NumberBD+25 2169
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number99911
Right Ascension (RA) J20009h 51m 53.038s
Declination (Dec) J2000+24° 23' 43.330"
Position Uncertainty0.0079s
Proper Motion in RA (J2000)/cos(Dec)+0.00154
Proper Motion in Dec (J2000)-0.174666
Radial Velocity-001.8km s-1
Trigonometric Parallax+0.02490s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)-0.772087
GCI Unit Vector in Y (J2000)0.482997
GCI Unit Vector in Z (J2000)0.413031
Galactic Longitude206.42°
Galactic Latitude
49.69°
Observational Data
Observed Visual Magnitude (V)5.29
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.53
Observed B-V Colour+0.238
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 Magnitude5.3
Observed Photographic Magnitude5.4
Morgan Keenan (MK) Spectral TypeA5IV
One-Dimensional Spectral ClassA2
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 13:15:43 GMT+01:00 2001