| Identification Data |
| Common Name | |
| Constellation | Lacerta |
| Star Name | 9 Lac |
| Skymap Number | 22370064 |
| Henry Draper (HD) Number | 214454 |
| Harvard Revised (HR) Number | 8613 |
| SAO Number | 34628 |
| Durchmusterung (DM) Number | BD+50 3770 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 40883 |
| Right Ascension (RA) J2000 | 22h 37m 22.417s |
| Declination (Dec) J2000 | +51° 32' 42.442" |
| Position Uncertainty | 0.0055s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00550 |
| Proper Motion in Dec (J2000) | -0.103366 |
| Radial Velocity | +010.1km s-1 |
| Trigonometric Parallax | +0.01895s |
| Trigonometric Parallax Uncertainty | 0.00054s |
| GCI Unit Vector in X (J2000) | 0.581917 |
| GCI Unit Vector in Y (J2000) | -0.219385 |
| GCI Unit Vector in Z (J2000) | 0.783098 |
| Galactic Longitude | 102.74° |
Galactic Latitude
| -5.99°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.65 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.90 |
| Observed B-V Colour | +0.250 |
| 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 | 4.8 |
| Observed Photographic Magnitude | 5.0 |
| Morgan Keenan (MK) Spectral Type | A8IV |
| One-Dimensional Spectral Class | A5 |
| Position Angle | |
| Year of Observation | AD |
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