Astronomy
Constellations - Aquarius - 74 Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name74 Aqr
Skymap Number22530067
Henry Draper (HD) Number216494
Harvard Revised (HR) Number8704
SAO Number165359
Durchmusterung (DM) NumberSD-12 6371
Washington Double Stars (WDS) Number
22535-1137
Positional Data
Position and Proper Motion (PPM) Number240893
Right Ascension (RA) J200022h 53m 28.704s
Declination (Dec) J2000-11° 36' 59.451"
Position Uncertainty0.0123s
Proper Motion in RA (J2000)/cos(Dec)+0.00157
Proper Motion in Dec (J2000)+0.001966
Radial Velocity-007.km s-1
Trigonometric Parallax+0.00496s
Trigonometric Parallax Uncertainty0.00084s
GCI Unit Vector in X (J2000)0.938545
GCI Unit Vector in Y (J2000)-0.280335
GCI Unit Vector in Z (J2000)-0.201360
Galactic Longitude56.44°
Galactic Latitude
-58.28°
Observational Data
Observed Visual Magnitude (V)5.79
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.71
Observed B-V Colour-0.076
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 Magnitude6.1
Observed Photographic Magnitude5.9
Morgan Keenan (MK) Spectral TypeB9III
One-Dimensional Spectral ClassB9
Position Angle336
Year of Observation1989. 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 13:15:33 GMT+01:00 2001