| Identification Data |
| Common Name | Graffias |
| Constellation | Scorpius |
| Star Name | 8bet1Sco |
| Skymap Number | 16050080 |
| Henry Draper (HD) Number | 144217 |
| Harvard Revised (HR) Number | 5984 |
| SAO Number | 159682 |
| Durchmusterung (DM) Number | SD-19 4307 |
Washington Double Stars (WDS) Number
| 16054-1948
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 231174 |
| Right Ascension (RA) J2000 | 16h 5m 26.230s |
| Declination (Dec) J2000 | -19° 48' 19.632" |
| Position Uncertainty | 0.0156s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00048 |
| Proper Motion in Dec (J2000) | -0.024967 |
| Radial Velocity | -001.0km s-1 |
| Trigonometric Parallax | +0.00615s |
| Trigonometric Parallax Uncertainty | 0.00112s |
| GCI Unit Vector in X (J2000) | -0.450963 |
| GCI Unit Vector in Y (J2000) | -0.825729 |
| GCI Unit Vector in Z (J2000) | -0.338827 |
| Galactic Longitude | 353.20° |
Galactic Latitude
| 23.60°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.62 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 2.55 |
| Observed B-V Colour | -0.072 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 2.6 |
| Observed Photographic Magnitude | 2.7 |
| Morgan Keenan (MK) Spectral Type | B1V |
| One-Dimensional Spectral Class | B1 |
| Position Angle | 21 |
| Year of Observation | 1980. AD |
Printer Version