| Identification Data |
| Common Name | |
| Constellation | Delphinus |
| Star Name | 17 Del |
| Skymap Number | 20550139 |
| Henry Draper (HD) Number | 199253 |
| Harvard Revised (HR) Number | 8011 |
| SAO Number | 106665 |
| Durchmusterung (DM) Number | BD+13 4572 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 139287 |
| Right Ascension (RA) J2000 | 20h 55m 36.690s |
| Declination (Dec) J2000 | +13° 43' 17.529" |
| Position Uncertainty | 0.0071s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00126 |
| Proper Motion in Dec (J2000) | -0.011566 |
| Radial Velocity | -010.2km s-1 |
| Trigonometric Parallax | +0.00688s |
| Trigonometric Parallax Uncertainty | 0.00074s |
| GCI Unit Vector in X (J2000) | 0.673647 |
| GCI Unit Vector in Y (J2000) | -0.699953 |
| GCI Unit Vector in Z (J2000) | 0.237203 |
| Galactic Longitude | 60.78° |
Galactic Latitude
| -19.74°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.19 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 6.31 |
| Observed B-V Colour | +1.116 |
| 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 | |
| Morgan Keenan (MK) Spectral Type | K0III |
| One-Dimensional Spectral Class | K0 |
| Position Angle | |
| Year of Observation | AD |
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