Astronomy
Constellations - Sextans - 15alp Sex

 
Identification Data
Common Name
ConstellationSextans
Star Name15alp Sex
Skymap Number10070184
Henry Draper (HD) Number87887
Harvard Revised (HR) Number3981
SAO Number137366
Durchmusterung (DM) NumberBD+00 2615
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number178090
Right Ascension (RA) J200010h 7m 56.280s
Declination (Dec) J2000-0° 22' 17.892"
Position Uncertainty0.0125s
Proper Motion in RA (J2000)/cos(Dec)-0.00175
Proper Motion in Dec (J2000)-0.003766
Radial Velocity+007.1km s-1
Trigonometric Parallax+0.01135s
Trigonometric Parallax Uncertainty0.00109s
GCI Unit Vector in X (J2000)-0.882802
GCI Unit Vector in Y (J2000)0.469701
GCI Unit Vector in Z (J2000)-0.006486
Galactic Longitude241.12°
Galactic Latitude
42.07°
Observational Data
Observed Visual Magnitude (V)4.48
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.45
Observed B-V Colour-0.028
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 Magnitude4.5
Observed Photographic Magnitude4.4
Morgan Keenan (MK) Spectral TypeA0III
One-Dimensional Spectral ClassA0
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