| Identification Data |
| Common Name | |
| Constellation | Delphinus |
| Star Name | 4zet Del |
| Skymap Number | 20350074 |
| Henry Draper (HD) Number | 196180 |
| Harvard Revised (HR) Number | 7871 |
| SAO Number | 106274 |
| Durchmusterung (DM) Number | BD+14 4353 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 138649 |
| Right Ascension (RA) J2000 | 20h 35m 18.535s |
| Declination (Dec) J2000 | +14° 40' 27.168" |
| Position Uncertainty | 0.0083s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00311 |
| Proper Motion in Dec (J2000) | +0.011766 |
| Radial Velocity | -025.0km s-1 |
| Trigonometric Parallax | +0.01436s |
| Trigonometric Parallax Uncertainty | 0.00075s |
| GCI Unit Vector in X (J2000) | 0.606523 |
| GCI Unit Vector in Y (J2000) | -0.753629 |
| GCI Unit Vector in Z (J2000) | 0.253323 |
| Galactic Longitude | 58.64° |
Galactic Latitude
| -15.16°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.66 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.77 |
| Observed B-V Colour | +0.106 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.7 |
| Observed Photographic Magnitude | 4.7 |
| Morgan Keenan (MK) Spectral Type | A3V |
| One-Dimensional Spectral Class | A2 |
| Position Angle | |
| Year of Observation | AD |
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