Astronomy
Constellations - Pisces - 21 Psc

 
Identification Data
Common Name
ConstellationPisces
Star Name21 Psc
Skymap Number23490072
Henry Draper (HD) Number223438
Harvard Revised (HR) Number9022
SAO Number128401
Durchmusterung (DM) NumberBD+00 5054
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number174456
Right Ascension (RA) J200023h 49m 27.475s
Declination (Dec) J2000+1° 4' 34.073"
Position Uncertainty0.0103s
Proper Motion in RA (J2000)/cos(Dec)-0.00002
Proper Motion in Dec (J2000)-0.026366
Radial Velocity+003.5km s-1
Trigonometric Parallax+0.01219s
Trigonometric Parallax Uncertainty0.00095s
GCI Unit Vector in X (J2000)0.998766
GCI Unit Vector in Y (J2000)-0.045974
GCI Unit Vector in Z (J2000)0.018781
Galactic Longitude92.59°
Galactic Latitude
-58.09°
Observational Data
Observed Visual Magnitude (V)5.77
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.93
Observed B-V Colour+0.164
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.8
Observed Photographic Magnitude5.7
Morgan Keenan (MK) Spectral TypeA5Vm
One-Dimensional Spectral ClassA2
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 13:15:48 GMT+01:00 2001