| Identification Data |
| Common Name | |
| Constellation | Lyra |
| Star Name | 12del2Lyr |
| Skymap Number | 18540124 |
| Henry Draper (HD) Number | 175588 |
| Harvard Revised (HR) Number | 7139 |
| SAO Number | 67559 |
| Durchmusterung (DM) Number | BD+36 3319 |
Washington Double Stars (WDS) Number
| 18545+3654
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 82016 |
| Right Ascension (RA) J2000 | 18h 54m 30.283s |
| Declination (Dec) J2000 | +36° 53' 55.007" |
| Position Uncertainty | 0.0061s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00056 |
| Proper Motion in Dec (J2000) | +0.003366 |
| Radial Velocity | -026.4km s-1 |
| Trigonometric Parallax | +0.00363s |
| Trigonometric Parallax Uncertainty | 0.00056s |
| GCI Unit Vector in X (J2000) | 0.188398 |
| GCI Unit Vector in Y (J2000) | -0.777190 |
| GCI Unit Vector in Z (J2000) | 0.600401 |
| Galactic Longitude | 66.93° |
Galactic Latitude
| 15.32°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.28 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.007 |
| Observed B Magnitude | 5.83 |
| Observed B-V Colour | +1.545 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.010 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.5 |
| Observed Photographic Magnitude | 5.9 |
| Morgan Keenan (MK) Spectral Type | M4II |
| One-Dimensional Spectral Class | M0 |
| Position Angle | 349 |
| Year of Observation | 1923. AD |
