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Astronomy
Constellations - Scorpius - 18 Sco

 
Identification Data
Common Name
ConstellationScorpius
Star Name18 Sco
Skymap Number16150089
Henry Draper (HD) Number146233
Harvard Revised (HR) Number6060
SAO Number141066
Durchmusterung (DM) NumberSD-07 4242
Washington Double Stars (WDS) Number
16156-0822
Positional Data
Position and Proper Motion (PPM) Number199464
Right Ascension (RA) J200016h 15m 37.270s
Declination (Dec) J2000-8° 22' 9.990"
Position Uncertainty0.0111s
Proper Motion in RA (J2000)/cos(Dec)+0.01564
Proper Motion in Dec (J2000)-0.495866
Radial Velocity+010.6km s-1
Trigonometric Parallax+0.07130s
Trigonometric Parallax Uncertainty0.00089s
GCI Unit Vector in X (J2000)-0.435172
GCI Unit Vector in Y (J2000)-0.888504
GCI Unit Vector in Z (J2000)-0.145555
Galactic Longitude4.70°
Galactic Latitude
29.16°
Observational Data
Observed Visual Magnitude (V)5.49
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.15
Observed B-V Colour+0.657
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeG2Va
One-Dimensional Spectral ClassG0
Position Angle279
Year of Observation1958. 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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