Astronomy
Constellations - Scorpius - the Sco (Sargas)

 
Identification Data
Common NameSargas
ConstellationScorpius
Star Namethe Sco
Skymap Number17370062
Henry Draper (HD) Number159532
Harvard Revised (HR) Number6553
SAO Number228201
Durchmusterung (DM) NumberCD-4212312
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number323186
Right Ascension (RA) J200017h 37m 19.130s
Declination (Dec) J2000-42° 59' 52.166"
Position Uncertainty0.0114s
Proper Motion in RA (J2000)/cos(Dec)+0.00055
Proper Motion in Dec (J2000)-0.001067
Radial Velocity+001.4km s-1
Trigonometric Parallax+0.01199s
Trigonometric Parallax Uncertainty0.00084s
GCI Unit Vector in X (J2000)-0.072263
GCI Unit Vector in Y (J2000)-0.727801
GCI Unit Vector in Z (J2000)-0.681971
Galactic Longitude347.14°
Galactic Latitude
-5.98°
Observational Data
Observed Visual Magnitude (V)1.86
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.006
Observed B Magnitude2.30
Observed B-V Colour+0.442
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude2.0
Observed Photographic Magnitude2.3
Morgan Keenan (MK) Spectral TypeF1II
One-Dimensional Spectral ClassF0
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 13:15:49 GMT+01:00 2001