| Identification Data |
| Common Name | Asellus Tertius |
| Constellation | Boötes |
| Star Name | 17kap2Boo |
| Skymap Number | 14130161 |
| Henry Draper (HD) Number | 124675 |
| Harvard Revised (HR) Number | 5329 |
| SAO Number | 29046 |
| Durchmusterung (DM) Number | BD+52 1782 |
Washington Double Stars (WDS) Number
| 14135+5147
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 34403 |
| Right Ascension (RA) J2000 | 14h 13m 29.007s |
| Declination (Dec) J2000 | +51° 47' 23.874" |
| Position Uncertainty | 0.0108s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00662 |
| Proper Motion in Dec (J2000) | -0.010667 |
| Radial Velocity | -017.4km s-1 |
| Trigonometric Parallax | +0.02103s |
| Trigonometric Parallax Uncertainty | 0.00083s |
| GCI Unit Vector in X (J2000) | -0.516565 |
| GCI Unit Vector in Y (J2000) | -0.340235 |
| GCI Unit Vector in Z (J2000) | 0.785749 |
| Galactic Longitude | 96.45° |
Galactic Latitude
| 60.91°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.52 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 4.73 |
| Observed B-V Colour | +0.207 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.6 |
| Observed Photographic Magnitude | 4.7 |
| Morgan Keenan (MK) Spectral Type | A8IV |
| One-Dimensional Spectral Class | A5 |
| Position Angle | 236 |
| Year of Observation | 1973. AD |
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