| Identification Data |
| Common Name | |
| Constellation | Delphinus |
| Star Name | 18 Del |
| Skymap Number | 20580098 |
| Henry Draper (HD) Number | 199665 |
| Harvard Revised (HR) Number | 8030 |
| SAO Number | 106712 |
| Durchmusterung (DM) Number | BD+10 4425 |
Washington Double Stars (WDS) Number
| 20584+1050
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 139372 |
| Right Ascension (RA) J2000 | 20h 58m 25.934s |
| Declination (Dec) J2000 | +10° 50' 21.430" |
| Position Uncertainty | 0.0072s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00326 |
| Proper Motion in Dec (J2000) | -0.034466 |
| Radial Velocity | +000.0km s-1 |
| Trigonometric Parallax | +0.01368s |
| Trigonometric Parallax Uncertainty | 0.00070s |
| GCI Unit Vector in X (J2000) | 0.689724 |
| GCI Unit Vector in Y (J2000) | -0.699225 |
| GCI Unit Vector in Z (J2000) | 0.188055 |
| Galactic Longitude | 58.70° |
Galactic Latitude
| -21.98°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.52 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.45 |
| Observed B-V Colour | +0.929 |
| 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 | 5.6 |
| Observed Photographic Magnitude | 6.1 |
| Morgan Keenan (MK) Spectral Type | gG6 |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 161 |
| Year of Observation | 1960. AD |
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