Astronomy
Constellations - Aquarius - 91psi1Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name91psi1Aqr
Skymap Number23150143
Henry Draper (HD) Number219449
Harvard Revised (HR) Number8841
SAO Number146598
Durchmusterung (DM) NumberSD-09 6156
Washington Double Stars (WDS) Number
23159-0905
Positional Data
Position and Proper Motion (PPM) Number207344
Right Ascension (RA) J200023h 15m 53.494s
Declination (Dec) J2000-9° 5' 15.853"
Position Uncertainty0.0142s
Proper Motion in RA (J2000)/cos(Dec)+0.02488
Proper Motion in Dec (J2000)-0.017066
Radial Velocity-026.4km s-1
Trigonometric Parallax+0.02197s
Trigonometric Parallax Uncertainty0.00089s
GCI Unit Vector in X (J2000)0.969216
GCI Unit Vector in Y (J2000)-0.188872
GCI Unit Vector in Z (J2000)-0.157947
Galactic Longitude67.08°
Galactic Latitude
-61.11°
Observational Data
Observed Visual Magnitude (V)4.24
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.34
Observed B-V Colour+1.100
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 Magnitude4.5
Observed Photographic Magnitude5.5
Morgan Keenan (MK) Spectral TypeK1-IIIFe-0.5
One-Dimensional Spectral ClassK0
Position Angle312
Year of Observation1960. 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