Astronomy
Constellations - Cepheus - 9 Cep

 
Identification Data
Common Name
ConstellationCepheus
Star Name9 Cep
Skymap Number21370184
Henry Draper (HD) Number206165
Harvard Revised (HR) Number8279
SAO Number19541
Durchmusterung (DM) NumberBD+61 2169
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number23060
Right Ascension (RA) J200021h 37m 55.224s
Declination (Dec) J2000+62° 4' 54.983"
Position Uncertainty0.0054s
Proper Motion in RA (J2000)/cos(Dec)-0.00027
Proper Motion in Dec (J2000)-0.002866
Radial Velocity-013.2km s-1
Trigonometric Parallax+0.00072s
Trigonometric Parallax Uncertainty0.00049s
GCI Unit Vector in X (J2000)0.381081
GCI Unit Vector in Y (J2000)-0.272022
GCI Unit Vector in Z (J2000)0.883618
Galactic Longitude102.28°
Galactic Latitude
7.25°
Observational Data
Observed Visual Magnitude (V)4.79
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.03
Observed B-V Colour+0.237
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
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 TypeB2Ib
One-Dimensional Spectral ClassB2
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