Astronomy
Constellations - Leo - 77sig Leo

 
Identification Data
Common Name
ConstellationLeo
Star Name77sig Leo
Skymap Number11210016
Henry Draper (HD) Number98664
Harvard Revised (HR) Number4386
SAO Number118804
Durchmusterung (DM) NumberBD+06 2437
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number157768
Right Ascension (RA) J200011h 21m 8.194s
Declination (Dec) J2000+6° 1' 45.558"
Position Uncertainty0.0088s
Proper Motion in RA (J2000)/cos(Dec)-0.00615
Proper Motion in Dec (J2000)-0.012866
Radial Velocity-005.3km s-1
Trigonometric Parallax+0.01524s
Trigonometric Parallax Uncertainty0.00081s
GCI Unit Vector in X (J2000)-0.980204
GCI Unit Vector in Y (J2000)0.167829
GCI Unit Vector in Z (J2000)0.105037
Galactic Longitude253.38°
Galactic Latitude
59.90°
Observational Data
Observed Visual Magnitude (V)4.05
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.00
Observed B-V Colour-0.051
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB9.5Vs
One-Dimensional Spectral ClassA0
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 13:15:44 GMT+01:00 2001