| Identification Data |
| Common Name | |
| Constellation | Scorpius |
| Star Name | iot2Sco |
| Skymap Number | 17500034 |
| Henry Draper (HD) Number | 161912 |
| Harvard Revised (HR) Number | 6631 |
| SAO Number | 228466 |
| Durchmusterung (DM) Number | CD-4011886 |
Washington Double Stars (WDS) Number
| 17502-4005
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 323443 |
| Right Ascension (RA) J2000 | 17h 50m 11.112s |
| Declination (Dec) J2000 | -40° 5' 25.566" |
| Position Uncertainty | 0.0086s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00032 |
| Proper Motion in Dec (J2000) | -0.002766 |
| Radial Velocity | -010.2km s-1 |
| Trigonometric Parallax | +0.00088s |
| Trigonometric Parallax Uncertainty | 0.00065s |
| GCI Unit Vector in X (J2000) | -0.032752 |
| GCI Unit Vector in Y (J2000) | -0.764328 |
| GCI Unit Vector in Z (J2000) | -0.643996 |
| Galactic Longitude | 350.90° |
Galactic Latitude
| -6.54°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.81 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.05 |
| Observed B-V Colour | +0.240 |
| 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 | 5.3 |
| Observed Photographic Magnitude | 4.9 |
| Morgan Keenan (MK) Spectral Type | A2Ib |
| One-Dimensional Spectral Class | A2 |
| Position Angle | 37 |
| Year of Observation | 1903. AD |
