Astronomy
Constellations - Aquarius - 34alp Aqr (Sadalmelik)

 
Identification Data
Common NameSadalmelik
ConstellationAquarius
Star Name34alp Aqr
Skymap Number22050131
Henry Draper (HD) Number209750
Harvard Revised (HR) Number8414
SAO Number145862
Durchmusterung (DM) NumberBD-01 4246
Washington Double Stars (WDS) Number
22058-0019
Positional Data
Position and Proper Motion (PPM) Number181401
Right Ascension (RA) J200022h 5m 47.035s
Declination (Dec) J2000-0° 19' 11.463"
Position Uncertainty0.0094s
Proper Motion in RA (J2000)/cos(Dec)+0.00119
Proper Motion in Dec (J2000)-0.009966
Radial Velocity+007.2km s-1
Trigonometric Parallax+0.00430s
Trigonometric Parallax Uncertainty0.00083s
GCI Unit Vector in X (J2000)0.878353
GCI Unit Vector in Y (J2000)-0.477980
GCI Unit Vector in Z (J2000)-0.005582
Galactic Longitude59.94°
Galactic Latitude
-42.07°
Observational Data
Observed Visual Magnitude (V)2.94
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude3.90
Observed B-V Colour+0.964
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 Magnitude3.2
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG2Ib
One-Dimensional Spectral ClassG0
Position Angle41
Year of Observation1907. 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