Identification Data |
Common Name | |
Constellation | Columba |
Star Name | pi 2Col |
Skymap Number | 6070206 |
Henry Draper (HD) Number | 42303 |
Harvard Revised (HR) Number | 2181 |
SAO Number | 217730 |
Durchmusterung (DM) Number | CD-42 2351 |
Washington Double Stars (WDS) Number
| 06079-4209
|
Positional Data |
Position and Proper Motion (PPM) Number | 310433 |
Right Ascension (RA) J2000 | 6h 7m 52.858s |
Declination (Dec) J2000 | -42° 9' 14.557" |
Position Uncertainty | 0.0057s |
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 Uncertainty | 0.00049s |
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 Longitude | 249.16° |
Galactic Latitude
| -25.51°
|
Observational Data |
Observed Visual Magnitude (V) | 5.50 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 5.50 |
Observed B-V Colour | +0.004 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.6 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A0V |
One-Dimensional Spectral Class | A0 |
Position Angle | 150 |
Year of Observation | 1951. AD |