| Identification Data |
| Common Name | Grafias |
| Constellation | Scorpius |
| Star Name | xi Sco |
| Skymap Number | 16040068 |
| Henry Draper (HD) Number | 144069 |
| Harvard Revised (HR) Number | 5978 |
| SAO Number | 159665 |
| Durchmusterung (DM) Number | SD-10 4237 |
Washington Double Stars (WDS) Number
| 16044-1122
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 231150 |
| Right Ascension (RA) J2000 | 16h 4m 22.136s |
| Declination (Dec) J2000 | -11° 22' 22.993" |
| Position Uncertainty | 0.0857s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.0043 |
| Proper Motion in Dec (J2000) | -0.028 16 |
| Radial Velocity | -029.km s-1 |
| Trigonometric Parallax | +0.03410s |
| Trigonometric Parallax Uncertainty | 0.0040s |
| GCI Unit Vector in X (J2000) | -0.473909 |
| GCI Unit Vector in Y (J2000) | -0.858210 |
| GCI Unit Vector in Z (J2000) | -0.197196 |
| Galactic Longitude | 0.03° |
Galactic Latitude
| 29.42°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.23 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 4.69 |
| Observed B-V Colour | +0.456 |
| 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 | 3.4 |
| Observed Photographic Magnitude | 5.3 |
| Morgan Keenan (MK) Spectral Type | F5IV+F5IV |
| One-Dimensional Spectral Class | F8 |
| Position Angle | 48 |
| Year of Observation | 1990. AD |
