| Identification Data |
| Common Name | Prima Giedi |
| Constellation | Capricornus |
| Star Name | 5alp1Cap |
| Skymap Number | 20170133 |
| Henry Draper (HD) Number | 192876 |
| Harvard Revised (HR) Number | 7747 |
| SAO Number | 163422 |
| Durchmusterung (DM) Number | SD-12 5683 |
Washington Double Stars (WDS) Number
| 20176-1230
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 237206 |
| Right Ascension (RA) J2000 | 20h 17m 38.869s |
| Declination (Dec) J2000 | -12° 30' 29.564" |
| Position Uncertainty | 0.0108s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00152 |
| Proper Motion in Dec (J2000) | +0.000867 |
| Radial Velocity | -026.0km s-1 |
| Trigonometric Parallax | +0.00475s |
| Trigonometric Parallax Uncertainty | 0.00096s |
| GCI Unit Vector in X (J2000) | 0.551726 |
| GCI Unit Vector in Y (J2000) | -0.805414 |
| GCI Unit Vector in Z (J2000) | -0.216580 |
| Galactic Longitude | 31.10° |
Galactic Latitude
| -24.70°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.24 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.29 |
| Observed B-V Colour | +1.046 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.6 |
| Observed Photographic Magnitude | 5.1 |
| Morgan Keenan (MK) Spectral Type | G3Ib |
| One-Dimensional Spectral Class | G0 |
| Position Angle | 221 |
| Year of Observation | 1932. AD |