Astronomy
Constellations - Leo - 45 Leo

 
Identification Data
Common Name
ConstellationLeo
Star Name45 Leo
Skymap Number10270121
Henry Draper (HD) Number90569
Harvard Revised (HR) Number4101
SAO Number99136
Durchmusterung (DM) NumberBD+10 2152
Washington Double Stars (WDS) Number
10276+0946
Positional Data
Position and Proper Motion (PPM) Number156855
Right Ascension (RA) J200010h 27m 38.990s
Declination (Dec) J2000+9° 45' 44.626"
Position Uncertainty0.0091s
Proper Motion in RA (J2000)/cos(Dec)+0.00053
Proper Motion in Dec (J2000)-0.006366
Radial Velocity-008.0km s-1
Trigonometric Parallax+0.00847s
Trigonometric Parallax Uncertainty0.00083s
GCI Unit Vector in X (J2000)-0.906586
GCI Unit Vector in Y (J2000)0.386459
GCI Unit Vector in Z (J2000)0.169563
Galactic Longitude233.15°
Galactic Latitude
51.94°
Observational Data
Observed Visual Magnitude (V)6.01
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude5.97
Observed B-V Colour-0.036
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.9
Observed Photographic Magnitude5.8
Morgan Keenan (MK) Spectral TypeA0pSiCr:
One-Dimensional Spectral ClassA0
Position Angle132
Year of Observation1924. 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