Astronomy
Constellations - Cetus - 20 Cet

 
Identification Data
Common Name
ConstellationCetus
Star Name20 Cet
Skymap Number530002
Henry Draper (HD) Number5112
Harvard Revised (HR) Number248
SAO Number129009
Durchmusterung (DM) NumberBD-01 114
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number174810
Right Ascension (RA) J20000h 53m 0.494s
Declination (Dec) J2000-1° 8' 39.337"
Position Uncertainty0.0083s
Proper Motion in RA (J2000)/cos(Dec)+0.00043
Proper Motion in Dec (J2000)-0.016366
Radial Velocity+015.8km s-1
Trigonometric Parallax+0.00628s
Trigonometric Parallax Uncertainty0.00085s
GCI Unit Vector in X (J2000)0.973177
GCI Unit Vector in Y (J2000)0.229190
GCI Unit Vector in Z (J2000)-0.019970
Galactic Longitude123.85°
Galactic Latitude
-64.01°
Observational Data
Observed Visual Magnitude (V)4.76
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.32
Observed B-V Colour+1.559
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 Magnitude4.9
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeM0III
One-Dimensional Spectral ClassK0
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 13:15:36 GMT+01:00 2001