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Astronomy
Constellations - Scuturn - alp Sct

 
Identification Data
Common Name
ConstellationScuturn
Star Namealp Sct
Skymap Number18350042
Henry Draper (HD) Number171443
Harvard Revised (HR) Number6973
SAO Number142408
Durchmusterung (DM) NumberSD-08 4638
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number201884
Right Ascension (RA) J200018h 35m 12.426s
Declination (Dec) J2000-8° 14' 38.662"
Position Uncertainty0.0089s
Proper Motion in RA (J2000)/cos(Dec)-0.00128
Proper Motion in Dec (J2000)-0.314666
Radial Velocity+035.7km s-1
Trigonometric Parallax+0.01872s
Trigonometric Parallax Uncertainty0.00081s
GCI Unit Vector in X (J2000)0.151435
GCI Unit Vector in Y (J2000)-0.978012
GCI Unit Vector in Z (J2000)-0.143390
Galactic Longitude23.76°
Galactic Latitude
-0.17°
Observational Data
Observed Visual Magnitude (V)3.85
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.18
Observed B-V Colour+1.327
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 Magnitude5.1
Morgan Keenan (MK) Spectral TypeK3III
One-Dimensional Spectral ClassK0
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))

 
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Page compiled: Sun Sep 02 13:15:49 GMT+01:00 2001
 
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