Astronomy
Constellations - Aquarius - 49 Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name49 Aqr
Skymap Number22230085
Henry Draper (HD) Number212271
Harvard Revised (HR) Number8529
SAO Number191105
Durchmusterung (DM) NumberCD-2515905
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number273730
Right Ascension (RA) J200022h 23m 30.848s
Declination (Dec) J2000-24° 45' 45.580"
Position Uncertainty0.0078s
Proper Motion in RA (J2000)/cos(Dec)+0.00717
Proper Motion in Dec (J2000)-0.002566
Radial Velocity-010.5km s-1
Trigonometric Parallax+0.01200s
Trigonometric Parallax Uncertainty0.00077s
GCI Unit Vector in X (J2000)0.828761
GCI Unit Vector in Y (J2000)-0.371095
GCI Unit Vector in Z (J2000)-0.418860
Galactic Longitude28.54°
Galactic Latitude
-56.78°
Observational Data
Observed Visual Magnitude (V)5.53
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.49
Observed B-V Colour+0.962
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.4
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypegG9
One-Dimensional Spectral ClassK0
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