| Identification Data |
| Common Name | |
| Constellation | Apus |
| Star Name | iot Aps |
| Skymap Number | 17220022 |
| Henry Draper (HD) Number | 156190 |
| Harvard Revised (HR) Number | 6411 |
| SAO Number | 257491 |
| Durchmusterung (DM) Number | CP-69 2719 |
Washington Double Stars (WDS) Number
| 17221-7007
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 373425 |
| Right Ascension (RA) J2000 | 17h 22m 5.869s |
| Declination (Dec) J2000 | -70° 7' 23.543" |
| Position Uncertainty | 0.0084s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00034 |
| Proper Motion in Dec (J2000) | -0.012067 |
| Radial Velocity | -004.3km s-1 |
| Trigonometric Parallax | +0.00285s |
| Trigonometric Parallax Uncertainty | 0.00063s |
| GCI Unit Vector in X (J2000) | -0.055973 |
| GCI Unit Vector in Y (J2000) | -0.335360 |
| GCI Unit Vector in Z (J2000) | -0.940426 |
| Galactic Longitude | 322.28° |
Galactic Latitude
| -18.29°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.40 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.001 |
| Observed B Magnitude | 5.36 |
| Observed B-V Colour | -0.045 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.001 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.6 |
| Observed Photographic Magnitude | 5.6 |
| Morgan Keenan (MK) Spectral Type | B9V+B9.5V |
| One-Dimensional Spectral Class | B8 |
| Position Angle | 290 |
| Year of Observation | 1992. AD |
