| Identification Data |
| Common Name | Deneb Dulfim |
| Constellation | Delphinus |
| Star Name | 2eps Del |
| Skymap Number | 20330062 |
| Henry Draper (HD) Number | 195810 |
| Harvard Revised (HR) Number | 7852 |
| SAO Number | 106230 |
| Durchmusterung (DM) Number | BD+10 4321 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 138578 |
| Right Ascension (RA) J2000 | 20h 33m 12.771s |
| Declination (Dec) J2000 | +11° 18' 11.746" |
| Position Uncertainty | 0.0089s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00073 |
| Proper Motion in Dec (J2000) | -0.028566 |
| Radial Velocity | -019.3km s-1 |
| Trigonometric Parallax | +0.00909s |
| Trigonometric Parallax Uncertainty | 0.00081s |
| GCI Unit Vector in X (J2000) | 0.607801 |
| GCI Unit Vector in Y (J2000) | -0.769520 |
| GCI Unit Vector in Z (J2000) | 0.196002 |
| Galactic Longitude | 55.43° |
Galactic Latitude
| -16.59°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.04 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 3.92 |
| Observed B-V Colour | -0.116 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.0 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B6III |
| One-Dimensional Spectral Class | B5 |
| Position Angle | |
| Year of Observation | AD |
