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Astronomy
Constellations - Sextans - 18 Sex

 
Identification Data
Common Name
ConstellationSextans
Star Name18 Sex
Skymap Number10100142
Henry Draper (HD) Number88333
Harvard Revised (HR) Number3996
SAO Number137395
Durchmusterung (DM) NumberSD-07 2977
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number193163
Right Ascension (RA) J200010h 10m 55.861s
Declination (Dec) J2000-8° 25' 6.462"
Position Uncertainty0.0109s
Proper Motion in RA (J2000)/cos(Dec)-0.00001
Proper Motion in Dec (J2000)-0.045466
Radial Velocity+000.2km s-1
Trigonometric Parallax+0.00689s
Trigonometric Parallax Uncertainty0.00095s
GCI Unit Vector in X (J2000)-0.879302
GCI Unit Vector in Y (J2000)0.453205
GCI Unit Vector in Z (J2000)-0.146402
Galactic Longitude249.64°
Galactic Latitude
37.33°
Observational Data
Observed Visual Magnitude (V)5.62
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.93
Observed B-V Colour+1.307
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.8
Observed Photographic Magnitude6.8
Morgan Keenan (MK) Spectral TypeK2III
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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