Astronomy
Constellations - Cancer - 45 Cnc

 
Identification Data
Common Name
ConstellationCancer
Star Name45 Cnc
Skymap Number8430045
Henry Draper (HD) Number74228
Harvard Revised (HR) Number3450
SAO Number98069
Durchmusterung (DM) NumberBD+13 1972
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number125651
Right Ascension (RA) J20008h 43m 12.329s
Declination (Dec) J2000+12° 40' 51.153"
Position Uncertainty0.0104s
Proper Motion in RA (J2000)/cos(Dec)-0.00068
Proper Motion in Dec (J2000)+0.002166
Radial Velocity-013.0km s-1
Trigonometric Parallax+0.00317s
Trigonometric Parallax Uncertainty0.00091s
GCI Unit Vector in X (J2000)-0.637500
GCI Unit Vector in Y (J2000)0.738515
GCI Unit Vector in Z (J2000)0.219521
Galactic Longitude213.81°
Galactic Latitude
30.46°
Observational Data
Observed Visual Magnitude (V)5.63
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.05
Observed B-V Colour+0.420
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 Magnitude5.7
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeA3V+G0III
One-Dimensional Spectral ClassA3
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