Astronomy
Constellations - Leo - 74phi Leo

 
Identification Data
Common Name
ConstellationLeo
Star Name74phi Leo
Skymap Number11160088
Henry Draper (HD) Number98058
Harvard Revised (HR) Number4368
SAO Number138102
Durchmusterung (DM) NumberSD-02 3315
Washington Double Stars (WDS) Number
11167-0339
Positional Data
Position and Proper Motion (PPM) Number194304
Right Ascension (RA) J200011h 16m 39.700s
Declination (Dec) J2000-3° 39' 5.764"
Position Uncertainty0.0116s
Proper Motion in RA (J2000)/cos(Dec)-0.00723
Proper Motion in Dec (J2000)-0.035866
Radial Velocity-003.0km s-1
Trigonometric Parallax+0.01669s
Trigonometric Parallax Uncertainty0.00089s
GCI Unit Vector in X (J2000)-0.980180
GCI Unit Vector in Y (J2000)0.187592
GCI Unit Vector in Z (J2000)-0.063689
Galactic Longitude262.68°
Galactic Latitude
51.65°
Observational Data
Observed Visual Magnitude (V)4.47
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.68
Observed B-V Colour+0.213
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 Magnitude4.6
Observed Photographic Magnitude4.7
Morgan Keenan (MK) Spectral TypeA7IVn
One-Dimensional Spectral ClassA5
Position Angle289
Year of Observation1923. 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