| Identification Data |
| Common Name | |
| Constellation | Serpens |
| Star Name | 58eta Ser |
| Skymap Number | 18210079 |
| Henry Draper (HD) Number | 168723 |
| Harvard Revised (HR) Number | 6869 |
| SAO Number | 142241 |
| Durchmusterung (DM) Number | SD-02 4599 |
Washington Double Stars (WDS) Number
| 18213-0252
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 201654 |
| Right Ascension (RA) J2000 | 18h 21m 18.600s |
| Declination (Dec) J2000 | -2° 53' 55.770" |
| Position Uncertainty | 0.0069s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.03655 |
| Proper Motion in Dec (J2000) | -0.700766 |
| Radial Velocity | +008.9km s-1 |
| Trigonometric Parallax | +0.05281s |
| Trigonometric Parallax Uncertainty | 0.00075s |
| GCI Unit Vector in X (J2000) | 0.092730 |
| GCI Unit Vector in Y (J2000) | -0.994406 |
| GCI Unit Vector in Z (J2000) | -0.050572 |
| Galactic Longitude | 26.91° |
Galactic Latitude
| 5.36°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.25 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 4.19 |
| Observed B-V Colour | +0.943 |
| 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 | 3.4 |
| Observed Photographic Magnitude | 4.4 |
| Morgan Keenan (MK) Spectral Type | K0III-IV |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 61 |
| Year of Observation | 1923. AD |
