| Identification Data |
| Common Name | |
| Constellation | Boötes |
| Star Name | 4tau Boo |
| Skymap Number | 13470055 |
| Henry Draper (HD) Number | 120136 |
| Harvard Revised (HR) Number | 5185 |
| SAO Number | 100706 |
| Durchmusterung (DM) Number | BD+18 2782 |
Washington Double Stars (WDS) Number
| 13473+1727
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 130070 |
| Right Ascension (RA) J2000 | 13h 47m 15.742s |
| Declination (Dec) J2000 | +17° 27' 24.862" |
| Position Uncertainty | 0.0068s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.03357 |
| Proper Motion in Dec (J2000) | +0.054266 |
| Radial Velocity | -015.6km s-1 |
| Trigonometric Parallax | +0.06412s |
| Trigonometric Parallax Uncertainty | 0.00070s |
| GCI Unit Vector in X (J2000) | -0.851359 |
| GCI Unit Vector in Y (J2000) | -0.430343 |
| GCI Unit Vector in Z (J2000) | 0.299988 |
| Galactic Longitude | 358.96° |
Galactic Latitude
| 73.88°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.49 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.99 |
| Observed B-V Colour | +0.498 |
| 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 | 4.5 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | F6IV |
| One-Dimensional Spectral Class | F5 |
| Position Angle | 11 |
| Year of Observation | 1970. AD |
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