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Astronomy
Constellations - Leo - 32alp Leo (Regulus)

 
Identification Data
Common NameRegulus
ConstellationLeo
Star Name32alp Leo
Skymap Number10080053
Henry Draper (HD) Number87901
Harvard Revised (HR) Number3982
SAO Number98967
Durchmusterung (DM) NumberBD+12 2149
Washington Double Stars (WDS) Number
10084+1158
Positional Data
Position and Proper Motion (PPM) Number127140
Right Ascension (RA) J200010h 8m 22.310s
Declination (Dec) J2000+11° 58' 1.945"
Position Uncertainty0.0078s
Proper Motion in RA (J2000)/cos(Dec)-0.01700
Proper Motion in Dec (J2000)+0.004966
Radial Velocity+005.9km s-1
Trigonometric Parallax+0.04209s
Trigonometric Parallax Uncertainty0.00079s
GCI Unit Vector in X (J2000)-0.864502
GCI Unit Vector in Y (J2000)0.457866
GCI Unit Vector in Z (J2000)0.207352
Galactic Longitude226.44°
Galactic Latitude
48.94°
Observational Data
Observed Visual Magnitude (V)1.41
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.007
Observed B Magnitude1.37
Observed B-V Colour-0.036
Observed B Magnitude or (B-V) Magnitude Uncertainty0.011
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude1.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB7V
One-Dimensional Spectral ClassB8
Position Angle307
Year of Observation1960. 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))

 
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Page compiled: Sun Sep 02 13:15:43 GMT+01:00 2001
 
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