Identification Data |
Common Name | |
Constellation | Scorpius |
Star Name | 6pi Sco |
Skymap Number | 15580137 |
Henry Draper (HD) Number | 143018 |
Harvard Revised (HR) Number | 5944 |
SAO Number | 183987 |
Durchmusterung (DM) Number | CD-2511228 |
Washington Double Stars (WDS) Number
| 15589-2607
|
Positional Data |
Position and Proper Motion (PPM) Number | 264940 |
Right Ascension (RA) J2000 | 15h 58m 51.112s |
Declination (Dec) J2000 | -26° 6' 50.779" |
Position Uncertainty | 0.0098s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00089 |
Proper Motion in Dec (J2000) | -0.025766 |
Radial Velocity | -003.0km s-1 |
Trigonometric Parallax | +0.00710s |
Trigonometric Parallax Uncertainty | 0.00084s |
GCI Unit Vector in X (J2000) | -0.452850 |
GCI Unit Vector in Y (J2000) | -0.775362 |
GCI Unit Vector in Z (J2000) | -0.440160 |
Galactic Longitude | 347.22° |
Galactic Latitude
| 20.23°
|
Observational Data |
Observed Visual Magnitude (V) | 2.89 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 2.73 |
Observed B-V Colour | -0.160 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.0 |
Observed Photographic Magnitude | 2.8 |
Morgan Keenan (MK) Spectral Type | B1V+B2V |
One-Dimensional Spectral Class | B2 |
Position Angle | 131 |
Year of Observation | 1977. AD |