Astronomy
Constellations - Cetus - 18 Cet

 
Identification Data
Common Name
ConstellationCetus
Star Name18 Cet
Skymap Number450047
Henry Draper (HD) Number4307
Harvard Revised (HR) Number203
SAO Number147432
Durchmusterung (DM) NumberSD-13 128
Washington Double Stars (WDS) Number
00455-1253
Positional Data
Position and Proper Motion (PPM) Number209250
Right Ascension (RA) J20000h 45m 28.687s
Declination (Dec) J2000-12° 52' 50.915"
Position Uncertainty0.0098s
Proper Motion in RA (J2000)/cos(Dec)-0.00221
Proper Motion in Dec (J2000)-0.205766
Radial Velocity-012.8km s-1
Trigonometric Parallax+0.03139s
Trigonometric Parallax Uncertainty0.00103s
GCI Unit Vector in X (J2000)0.955706
GCI Unit Vector in Y (J2000)0.192175
GCI Unit Vector in Z (J2000)-0.222924
Galactic Longitude117.08°
Galactic Latitude
-75.68°
Observational Data
Observed Visual Magnitude (V)6.15
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude6.77
Observed B-V Colour+0.618
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 Magnitude6.6
Observed Photographic Magnitude6.7
Morgan Keenan (MK) Spectral TypeG0V
One-Dimensional Spectral ClassG0
Position Angle238
Year of Observation1959. 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