| Identification Data |
| Common Name | |
| Constellation | Capricornus |
| Star Name | 39eps Cap |
| Skymap Number | 21370012 |
| Henry Draper (HD) Number | 205637 |
| Harvard Revised (HR) Number | 8260 |
| SAO Number | 164520 |
| Durchmusterung (DM) Number | SD-20 6251 |
Washington Double Stars (WDS) Number
| 21371-1928
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 239096 |
| Right Ascension (RA) J2000 | 21h 37m 4.831s |
| Declination (Dec) J2000 | -19° 27' 57.642" |
| Position Uncertainty | 0.0097s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00095 |
| Proper Motion in Dec (J2000) | +0.000866 |
| Radial Velocity | -025.km s-1 |
| Trigonometric Parallax | +0.00492s |
| Trigonometric Parallax Uncertainty | 0.00091s |
| GCI Unit Vector in X (J2000) | 0.765377 |
| GCI Unit Vector in Y (J2000) | -0.550585 |
| GCI Unit Vector in Z (J2000) | -0.333248 |
| Galactic Longitude | 31.95° |
Galactic Latitude
| -44.99°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.52 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.007 |
| Observed B Magnitude | 4.34 |
| Observed B-V Colour | -0.179 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.009 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.7 |
| Observed Photographic Magnitude | 4.6 |
| Morgan Keenan (MK) Spectral Type | B2.5Vpe |
| One-Dimensional Spectral Class | B5 |
| Position Angle | 47 |
| Year of Observation | 1921. AD |
