Astronomy
Constellations - Aquarius - 38 Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name38 Aqr
Skymap Number22100120
Henry Draper (HD) Number210424
Harvard Revised (HR) Number8452
SAO Number164910
Durchmusterung (DM) NumberSD-12 6196
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number239902
Right Ascension (RA) J200022h 10m 37.482s
Declination (Dec) J2000-11° 33' 53.782"
Position Uncertainty0.0077s
Proper Motion in RA (J2000)/cos(Dec)+0.00202
Proper Motion in Dec (J2000)+0.008066
Radial Velocity+002.5km s-1
Trigonometric Parallax+0.00581s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)0.870233
GCI Unit Vector in Y (J2000)-0.450004
GCI Unit Vector in Z (J2000)-0.200478
Galactic Longitude47.38°
Galactic Latitude
-49.23°
Observational Data
Observed Visual Magnitude (V)5.44
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.33
Observed B-V Colour-0.115
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 Magnitude5.3
Morgan Keenan (MK) Spectral TypeB7III
One-Dimensional Spectral ClassB5
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