Astronomy
Constellations - Pisces - 20 Psc

 
Identification Data
Common Name
ConstellationPisces
Star Name20 Psc
Skymap Number23470147
Henry Draper (HD) Number223252
Harvard Revised (HR) Number9012
SAO Number146915
Durchmusterung (DM) NumberSD-03 5707
Washington Double Stars (WDS) Number
23479-0246
Positional Data
Position and Proper Motion (PPM) Number207983
Right Ascension (RA) J200023h 47m 56.543s
Declination (Dec) J2000-2° 45' 41.752"
Position Uncertainty0.0120s
Proper Motion in RA (J2000)/cos(Dec)+0.00644
Proper Motion in Dec (J2000)+0.005566
Radial Velocity-006.9km s-1
Trigonometric Parallax+0.01119s
Trigonometric Parallax Uncertainty0.00085s
GCI Unit Vector in X (J2000)0.997457
GCI Unit Vector in Y (J2000)-0.052526
GCI Unit Vector in Z (J2000)-0.048180
Galactic Longitude88.29°
Galactic Latitude
-61.28°
Observational Data
Observed Visual Magnitude (V)5.50
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude6.44
Observed B-V Colour+0.935
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 Magnitude5.6
Observed Photographic Magnitude6.6
Morgan Keenan (MK) Spectral TypeG8III
One-Dimensional Spectral ClassK0
Position Angle285
Year of Observation1918. 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 13:15:48 GMT+01:00 2001