Astronomy
Constellations - Columba - pi 2Col

 
Identification Data
Common Name
ConstellationColumba
Star Namepi 2Col
Skymap Number6070206
Henry Draper (HD) Number42303
Harvard Revised (HR) Number2181
SAO Number217730
Durchmusterung (DM) NumberCD-42 2351
Washington Double Stars (WDS) Number
06079-4209
Positional Data
Position and Proper Motion (PPM) Number310433
Right Ascension (RA) J20006h 7m 52.858s
Declination (Dec) J2000-42° 9' 14.557"
Position Uncertainty0.0057s
Proper Motion in RA (J2000)/cos(Dec)-0.00100
Proper Motion in Dec (J2000)-0.017466
Radial Velocity+031.0km s-1
Trigonometric Parallax+0.01248s
Trigonometric Parallax Uncertainty0.00049s
GCI Unit Vector in X (J2000)-0.025488
GCI Unit Vector in Y (J2000)0.740905
GCI Unit Vector in Z (J2000)-0.671126
Galactic Longitude249.16°
Galactic Latitude
-25.51°
Observational Data
Observed Visual Magnitude (V)5.50
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.50
Observed B-V Colour+0.004
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 Magnitude5.6
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA0V
One-Dimensional Spectral ClassA0
Position Angle150
Year of Observation1951. 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 13:15:38 GMT+01:00 2001