| Identification Data |
| Common Name | |
| Constellation | Boötes |
| Star Name | 1 Boo |
| Skymap Number | 13400111 |
| Henry Draper (HD) Number | 119055 |
| Harvard Revised (HR) Number | 5144 |
| SAO Number | 82942 |
| Durchmusterung (DM) Number | BD+20 2858 |
Washington Double Stars (WDS) Number
| 13407+1957
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 129992 |
| Right Ascension (RA) J2000 | 13h 40m 40.469s |
| Declination (Dec) J2000 | +19° 57' 20.590" |
| Position Uncertainty | 0.0094s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00330 |
| Proper Motion in Dec (J2000) | +0.023267 |
| Radial Velocity | -026.0km s-1 |
| Trigonometric Parallax | +0.01077s |
| Trigonometric Parallax Uncertainty | 0.00090s |
| GCI Unit Vector in X (J2000) | -0.850717 |
| GCI Unit Vector in Y (J2000) | -0.399748 |
| GCI Unit Vector in Z (J2000) | 0.341294 |
| Galactic Longitude | 3.08° |
Galactic Latitude
| 76.64°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.76 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.78 |
| Observed B-V Colour | +0.020 |
| 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 | 5.7 |
| Observed Photographic Magnitude | 5.7 |
| Morgan Keenan (MK) Spectral Type | A1V |
| One-Dimensional Spectral Class | A2 |
| Position Angle | 136 |
| Year of Observation | 1976. AD |
Printer Version