Astronomy
Constellations - Aquarius - 3 Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name3 Aqr
Skymap Number20470149
Henry Draper (HD) Number198026
Harvard Revised (HR) Number7951
SAO Number144814
Durchmusterung (DM) NumberSD-05 5378
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number204454
Right Ascension (RA) J200020h 47m 44.236s
Declination (Dec) J2000-5° 1' 39.723"
Position Uncertainty0.0113s
Proper Motion in RA (J2000)/cos(Dec)-0.00022
Proper Motion in Dec (J2000)-0.040266
Radial Velocity-022.0km s-1
Trigonometric Parallax+0.00733s
Trigonometric Parallax Uncertainty0.00099s
GCI Unit Vector in X (J2000)0.665707
GCI Unit Vector in Y (J2000)-0.741049
GCI Unit Vector in Z (J2000)-0.087637
Galactic Longitude42.25°
Galactic Latitude
-28.09°
Observational Data
Observed Visual Magnitude (V)4.46
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.05
Observed B-V Colour+1.594
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 Magnitude4.6
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeM3III
One-Dimensional Spectral ClassM0
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