| Identification Data |
| Common Name | |
| Constellation | Lacerta |
| Star Name | 15 Lac |
| Skymap Number | 22520005 |
| Henry Draper (HD) Number | 216397 |
| Harvard Revised (HR) Number | 8699 |
| SAO Number | 52436 |
| Durchmusterung (DM) Number | BD+42 4521 |
Washington Double Stars (WDS) Number
| 22520+4319
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 63505 |
| Right Ascension (RA) J2000 | 22h 52m 2.035s |
| Declination (Dec) J2000 | +43° 18' 44.702" |
| Position Uncertainty | 0.0056s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.01002 |
| Proper Motion in Dec (J2000) | +0.021566 |
| Radial Velocity | -016.9km s-1 |
| Trigonometric Parallax | +0.00999s |
| Trigonometric Parallax Uncertainty | 0.00064s |
| GCI Unit Vector in X (J2000) | 0.695862 |
| GCI Unit Vector in Y (J2000) | -0.212634 |
| GCI Unit Vector in Z (J2000) | 0.685976 |
| Galactic Longitude | 100.98° |
Galactic Latitude
| -14.41°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.94 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 6.50 |
| Observed B-V Colour | +1.563 |
| 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 | 5.2 |
| Observed Photographic Magnitude | 6.3 |
| Morgan Keenan (MK) Spectral Type | M0III |
| One-Dimensional Spectral Class | K5 |
| Position Angle | 144 |
| Year of Observation | 1958. AD |
