Astronomy
Constellations - Cetus - 7 Cet

 
Identification Data
Common Name
ConstellationCetus
Star Name7 Cet
Skymap Number140096
Henry Draper (HD) Number1038
Harvard Revised (HR) Number48
SAO Number147169
Durchmusterung (DM) NumberSD-19 21
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number208536
Right Ascension (RA) J20000h 14m 38.416s
Declination (Dec) J2000-18° 55' 58.316"
Position Uncertainty0.0083s
Proper Motion in RA (J2000)/cos(Dec)-0.00191
Proper Motion in Dec (J2000)-0.073866
Radial Velocity-021.9km s-1
Trigonometric Parallax+0.00662s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)0.943970
GCI Unit Vector in Y (J2000)0.060383
GCI Unit Vector in Z (J2000)-0.324460
Galactic Longitude75.15°
Galactic Latitude
-78.23°
Observational Data
Observed Visual Magnitude (V)4.46
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.09
Observed B-V Colour+1.630
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 Magnitude3.9
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeM3III
One-Dimensional Spectral ClassM0
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