| Identification Data |
| Common Name | |
| Constellation | Capricornus |
| Star Name | 30 Cap |
| Skymap Number | 21170183 |
| Henry Draper (HD) Number | 202671 |
| Harvard Revised (HR) Number | 8137 |
| SAO Number | 164286 |
| Durchmusterung (DM) Number | SD-18 5903 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 238644 |
| Right Ascension (RA) J2000 | 21h 17m 57.286s |
| Declination (Dec) J2000 | -17° 59' 6.497" |
| Position Uncertainty | 0.0099s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00109 |
| Proper Motion in Dec (J2000) | -0.000766 |
| Radial Velocity | -011.1km s-1 |
| Trigonometric Parallax | +0.00563s |
| Trigonometric Parallax Uncertainty | 0.00095s |
| GCI Unit Vector in X (J2000) | 0.723128 |
| GCI Unit Vector in Y (J2000) | -0.617857 |
| GCI Unit Vector in Z (J2000) | -0.308770 |
| Galactic Longitude | 31.74° |
Galactic Latitude
| -40.23°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.40 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.28 |
| Observed B-V Colour | -0.120 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.4 |
| Observed Photographic Magnitude | 5.3 |
| Morgan Keenan (MK) Spectral Type | B8III |
| One-Dimensional Spectral Class | B8 |
| Position Angle | |
| Year of Observation | AD |
