Identification Data |
Common Name | |
Constellation | Scorpius |
Star Name | 8bet2Sco |
Skymap Number | 16050083 |
Henry Draper (HD) Number | 144218 |
Harvard Revised (HR) Number | 5985 |
SAO Number | 159683 |
Durchmusterung (DM) Number | SD-19 4308 |
Washington Double Stars (WDS) Number
| 16054-1948
|
Positional Data |
Position and Proper Motion (PPM) Number | 231175 |
Right Ascension (RA) J2000 | 16h 5m 26.553s |
Declination (Dec) J2000 | -19° 48' 6.696" |
Position Uncertainty | 0.1758s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00245 |
Proper Motion in Dec (J2000) | -0.007567 |
Radial Velocity | -003.6km s-1 |
Trigonometric Parallax | +0.00288s |
Trigonometric Parallax Uncertainty | 0.01299s |
GCI Unit Vector in X (J2000) | -0.450954 |
GCI Unit Vector in Y (J2000) | -0.825758 |
GCI Unit Vector in Z (J2000) | -0.338768 |
Galactic Longitude | 353.20° |
Galactic Latitude
| 23.60°
|
Observational Data |
Observed Visual Magnitude (V) | 4.91 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.013 |
Observed B Magnitude | 4.89 |
Observed B-V Colour | -0.02 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
Observed U Magnitude | 4.21 |
Observed U-B Colour | -0.68 |
Observed U Magnitude or (U-B) Magnitude Uncertainty | 0.014 |
Observed Photovisual Magnitude | 5.1 |
Observed Photographic Magnitude | 4.8 |
Morgan Keenan (MK) Spectral Type | B2V |
One-Dimensional Spectral Class | B1 |
Position Angle | 21 |
Year of Observation | 1980. AD |