| Identification Data |
| Common Name | |
| Constellation | Lyra |
| Star Name | 7zet2Lyr |
| Skymap Number | 18440202 |
| Henry Draper (HD) Number | 173649 |
| Harvard Revised (HR) Number | 7057 |
| SAO Number | 67324 |
| Durchmusterung (DM) Number | BD+37 3223 |
Washington Double Stars (WDS) Number
| 18448+3736
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 81741 |
| Right Ascension (RA) J2000 | 18h 44m 48.204s |
| Declination (Dec) J2000 | +37° 35' 40.613" |
| Position Uncertainty | 0.0069s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00162 |
| Proper Motion in Dec (J2000) | +0.020766 |
| Radial Velocity | -025.0km s-1 |
| Trigonometric Parallax | +0.02172s |
| Trigonometric Parallax Uncertainty | 0.00053s |
| GCI Unit Vector in X (J2000) | 0.153913 |
| GCI Unit Vector in Y (J2000) | -0.777255 |
| GCI Unit Vector in Z (J2000) | 0.610071 |
| Galactic Longitude | 66.85° |
Galactic Latitude
| 17.37°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.69 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.99 |
| Observed B-V Colour | +0.296 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.9 |
| Observed Photographic Magnitude | 5.9 |
| Morgan Keenan (MK) Spectral Type | F0IV |
| One-Dimensional Spectral Class | A3 |
| Position Angle | 150 |
| Year of Observation | 1982. AD |
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