Astronomy
Constellations - Aquarius - 1 Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name1 Aqr
Skymap Number20390085
Henry Draper (HD) Number196758
Harvard Revised (HR) Number7897
SAO Number126062
Durchmusterung (DM) NumberBD-00 4064
Washington Double Stars (WDS) Number
20394+0029
Positional Data
Position and Proper Motion (PPM) Number170456
Right Ascension (RA) J200020h 39m 24.891s
Declination (Dec) J2000+0° 29' 11.201"
Position Uncertainty0.0094s
Proper Motion in RA (J2000)/cos(Dec)+0.00687
Proper Motion in Dec (J2000)-0.019466
Radial Velocity-042.7km s-1
Trigonometric Parallax+0.01333s
Trigonometric Parallax Uncertainty0.00088s
GCI Unit Vector in X (J2000)0.640807
GCI Unit Vector in Y (J2000)-0.767655
GCI Unit Vector in Z (J2000)0.008490
Galactic Longitude46.48°
Galactic Latitude
-23.58°
Observational Data
Observed Visual Magnitude (V)5.15
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.21
Observed B-V Colour+1.059
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 Magnitude5.4
Observed Photographic Magnitude6.3
Morgan Keenan (MK) Spectral TypeK1III
One-Dimensional Spectral ClassK0
Position Angle221
Year of Observation1924. 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