| Identification Data |
| Common Name | Seginus |
| Constellation | Boötes |
| Star Name | 27gam Boo |
| Skymap Number | 14320014 |
| Henry Draper (HD) Number | 127762 |
| Harvard Revised (HR) Number | 5435 |
| SAO Number | 64203 |
| Durchmusterung (DM) Number | BD+38 2565 |
Washington Double Stars (WDS) Number
| 14321+3818
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 77976 |
| Right Ascension (RA) J2000 | 14h 32m 4.671s |
| Declination (Dec) J2000 | +38° 18' 29.709" |
| Position Uncertainty | 0.0064s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00982 |
| Proper Motion in Dec (J2000) | +0.151966 |
| Radial Velocity | -036.5km s-1 |
| Trigonometric Parallax | +0.03829s |
| Trigonometric Parallax Uncertainty | 0.00073s |
| GCI Unit Vector in X (J2000) | -0.618178 |
| GCI Unit Vector in Y (J2000) | -0.483312 |
| GCI Unit Vector in Z (J2000) | 0.619892 |
| Galactic Longitude | 67.24° |
Galactic Latitude
| 66.17°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.04 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 3.25 |
| Observed B-V Colour | +0.209 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 3.0 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A7III |
| One-Dimensional Spectral Class | F0 |
| Position Angle | 178 |
| Year of Observation | 1984. AD |
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