Identification Data |
Common Name | |
Constellation | Puppis |
Star Name | pi Pup |
Skymap Number | 7170041 |
Henry Draper (HD) Number | 56855 |
Harvard Revised (HR) Number | 2773 |
SAO Number | 197795 |
Durchmusterung (DM) Number | CD-36 3489 |
Washington Double Stars (WDS) Number
| 07171-3706
|
Positional Data |
Position and Proper Motion (PPM) Number | 283747 |
Right Ascension (RA) J2000 | 7h 17m 8.556s |
Declination (Dec) J2000 | -37° 5' 50.892" |
Position Uncertainty | 0.0065s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00088 |
Proper Motion in Dec (J2000) | +0.007067 |
Radial Velocity | +015.8km s-1 |
Trigonometric Parallax | +0.00298s |
Trigonometric Parallax Uncertainty | 0.00055s |
GCI Unit Vector in X (J2000) | -0.263433 |
GCI Unit Vector in Y (J2000) | 0.752852 |
GCI Unit Vector in Z (J2000) | -0.603173 |
Galactic Longitude | 249.01° |
Galactic Latitude
| -11.28°
|
Observational Data |
Observed Visual Magnitude (V) | 2.71 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.30 |
Observed B-V Colour | +1.592 |
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 | 2.7 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K3Ib |
One-Dimensional Spectral Class | K5 |
Position Angle | 213 |
Year of Observation | 1936. AD |