| Identification Data |
| Common Name | |
| Constellation | Apus |
| Star Name | kap1Aps |
| Skymap Number | 15310101 |
| Henry Draper (HD) Number | 137387 |
| Harvard Revised (HR) Number | 5730 |
| SAO Number | 257289 |
| Durchmusterung (DM) Number | CP-72 1802 |
Washington Double Stars (WDS) Number
| 15315-7323
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 372703 |
| Right Ascension (RA) J2000 | 15h 31m 30.821s |
| Declination (Dec) J2000 | -73° 23' 22.527" |
| Position Uncertainty | 0.0064s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00009 |
| Proper Motion in Dec (J2000) | -0.018366 |
| Radial Velocity | +062.0km s-1 |
| Trigonometric Parallax | +0.00320s |
| Trigonometric Parallax Uncertainty | 0.00059s |
| GCI Unit Vector in X (J2000) | -0.172520 |
| GCI Unit Vector in Y (J2000) | -0.227934 |
| GCI Unit Vector in Z (J2000) | -0.958271 |
| Galactic Longitude | 313.86° |
Galactic Latitude
| -14.01°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.40 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.25 |
| Observed B-V Colour | -0.147 |
| 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 | 5.7 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B3IVe |
| One-Dimensional Spectral Class | B5 |
| Position Angle | 255 |
| Year of Observation | 1918. AD |
