Astronomy
Constellations - Leo - 23 Leo

 
Identification Data
Common Name
ConstellationLeo
Star Name23 Leo
Skymap Number9510005
Henry Draper (HD) Number85268
Harvard Revised (HR) Number3896
SAO Number98809
Durchmusterung (DM) NumberBD+13 2164
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number126856
Right Ascension (RA) J20009h 51m 1.984s
Declination (Dec) J2000+13° 3' 58.460"
Position Uncertainty0.0096s
Proper Motion in RA (J2000)/cos(Dec)+0.00135
Proper Motion in Dec (J2000)-0.007466
Radial Velocity-009.2km s-1
Trigonometric Parallax+0.00176s
Trigonometric Parallax Uncertainty0.00088s
GCI Unit Vector in X (J2000)-0.823906
GCI Unit Vector in Y (J2000)0.519680
GCI Unit Vector in Z (J2000)0.226077
Galactic Longitude222.19°
Galactic Latitude
45.65°
Observational Data
Observed Visual Magnitude (V)6.44
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude8.04
Observed B-V Colour+1.596
Observed B Magnitude or (B-V) Magnitude Uncertainty0.010
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.7
Observed Photographic Magnitude7.8
Morgan Keenan (MK) Spectral TypeM0III
One-Dimensional Spectral ClassK5
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