Astronomy
Constellations - Aquarius - 39 Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name39 Aqr
Skymap Number22120071
Henry Draper (HD) Number210705
Harvard Revised (HR) Number8462
SAO Number164923
Durchmusterung (DM) NumberSD-14 6229
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number239931
Right Ascension (RA) J200022h 12m 25.757s
Declination (Dec) J2000-14° 11' 38.245"
Position Uncertainty0.0101s
Proper Motion in RA (J2000)/cos(Dec)+0.00179
Proper Motion in Dec (J2000)-0.047567
Radial Velocity+015.2km s-1
Trigonometric Parallax+0.02300s
Trigonometric Parallax Uncertainty0.00090s
GCI Unit Vector in X (J2000)0.864628
GCI Unit Vector in Y (J2000)-0.438512
GCI Unit Vector in Z (J2000)-0.245205
Galactic Longitude44.05°
Galactic Latitude
-50.82°
Observational Data
Observed Visual Magnitude (V)6.05
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.42
Observed B-V Colour+0.370
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 Magnitude6.4
Observed Photographic Magnitude6.5
Morgan Keenan (MK) Spectral TypeF2V
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 13:15:32 GMT+01:00 2001