Astronomy
Constellations - Cancer - 27 Cnc

 
Identification Data
Common Name
ConstellationCancer
Star Name27 Cnc
Skymap Number8260156
Henry Draper (HD) Number71250
Harvard Revised (HR) Number3319
SAO Number97819
Durchmusterung (DM) NumberBD+13 1912
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number125269
Right Ascension (RA) J20008h 26m 43.939s
Declination (Dec) J2000+12° 39' 16.604"
Position Uncertainty0.0120s
Proper Motion in RA (J2000)/cos(Dec)-0.00119
Proper Motion in Dec (J2000)-0.103066
Radial Velocity-007.3km s-1
Trigonometric Parallax+0.00310s
Trigonometric Parallax Uncertainty0.00110s
GCI Unit Vector in X (J2000)-0.582877
GCI Unit Vector in Y (J2000)0.782471
GCI Unit Vector in Z (J2000)0.219073
Galactic Longitude211.96°
Galactic Latitude
26.79°
Observational Data
Observed Visual Magnitude (V)5.58
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.011
Observed B Magnitude7.11
Observed B-V Colour+1.533
Observed B Magnitude or (B-V) Magnitude Uncertainty0.013
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.8
Observed Photographic Magnitude7.1
Morgan Keenan (MK) Spectral TypeM3IIICa-1
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 13:15:37 GMT+01:00 2001