Astronomy
Constellations - Sagitta - 1 Sge

 
Identification Data
Common Name
ConstellationSagitta
Star Name1 Sge
Skymap Number19150055
Henry Draper (HD) Number180317
Harvard Revised (HR) Number7301
SAO Number86987
Durchmusterung (DM) NumberBD+20 4088
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number108658
Right Ascension (RA) J200019h 15m 17.361s
Declination (Dec) J2000+21° 13' 55.626"
Position Uncertainty0.0063s
Proper Motion in RA (J2000)/cos(Dec)+0.00260
Proper Motion in Dec (J2000)+0.007866
Radial Velocity-023.1km s-1
Trigonometric Parallax+0.01026s
Trigonometric Parallax Uncertainty0.00059s
GCI Unit Vector in X (J2000)0.300735
GCI Unit Vector in Y (J2000)-0.882274
GCI Unit Vector in Z (J2000)0.362147
Galactic Longitude54.50°
Galactic Latitude
4.53°
Observational Data
Observed Visual Magnitude (V)5.65
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.77
Observed B-V Colour+0.118
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude5.7
Morgan Keenan (MK) Spectral TypeA4V
One-Dimensional Spectral ClassA3
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 13:15:50 GMT+01:00 2001