Identification Data |
Common Name | |
Constellation | Lacerta |
Star Name | 16 Lac |
Skymap Number | 22560074 |
Henry Draper (HD) Number | 216916 |
Harvard Revised (HR) Number | 8725 |
SAO Number | 52512 |
Durchmusterung (DM) Number | BD+40 4949 |
Washington Double Stars (WDS) Number
| 22564+4136
|
Positional Data |
Position and Proper Motion (PPM) Number | 63602 |
Right Ascension (RA) J2000 | 22h 56m 23.630s |
Declination (Dec) J2000 | +41° 36' 13.953" |
Position Uncertainty | 0.0055s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00009 |
Proper Motion in Dec (J2000) | -0.004366 |
Radial Velocity | -006.9km s-1 |
Trigonometric Parallax | +0.00271s |
Trigonometric Parallax Uncertainty | 0.00069s |
GCI Unit Vector in X (J2000) | 0.719140 |
GCI Unit Vector in Y (J2000) | -0.204873 |
GCI Unit Vector in Z (J2000) | 0.663977 |
Galactic Longitude | 100.92° |
Galactic Latitude
| -16.30°
|
Observational Data |
Observed Visual Magnitude (V) | 5.60 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.45 |
Observed B-V Colour | -0.151 |
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 | 5.5 |
Observed Photographic Magnitude | 5.4 |
Morgan Keenan (MK) Spectral Type | B2IV |
One-Dimensional Spectral Class | B3 |
Position Angle | 344 |
Year of Observation | 1963. AD |