Astronomy
Constellations - Cetus - 42 Cet

 
Identification Data
Common Name
ConstellationCetus
Star Name42 Cet
Skymap Number1190127
Henry Draper (HD) Number8036
Harvard Revised (HR) Number385
SAO Number129235
Durchmusterung (DM) NumberBD-01 171
Washington Double Stars (WDS) Number
01198-0029
Positional Data
Position and Proper Motion (PPM) Number174879
Right Ascension (RA) J20001h 19m 48.295s
Declination (Dec) J2000-0° 30' 32.503"
Position Uncertainty0.0130s
Proper Motion in RA (J2000)/cos(Dec)+0.00036
Proper Motion in Dec (J2000)-0.013967
Radial Velocity+014.0km s-1
Trigonometric Parallax+0.00827s
Trigonometric Parallax Uncertainty0.00128s
GCI Unit Vector in X (J2000)0.939946
GCI Unit Vector in Y (J2000)0.341207
GCI Unit Vector in Z (J2000)-0.008884
Galactic Longitude138.47°
Galactic Latitude
-62.52°
Observational Data
Observed Visual Magnitude (V)6.25
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.013
Observed B Magnitude7.09
Observed B-V Colour+0.838
Observed B Magnitude or (B-V) Magnitude Uncertainty0.018
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.4
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG8III+A7V
One-Dimensional Spectral ClassF5
Position Angle15
Year of Observation1992. 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 13:15:37 GMT+01:00 2001