| Identification Data |
| Common Name | |
| Constellation | Draco |
| Star Name | 27 Dra |
| Skymap Number | 17310193 |
| Henry Draper (HD) Number | 159966 |
| Harvard Revised (HR) Number | 6566 |
| SAO Number | 17526 |
| Durchmusterung (DM) Number | BD+68 938 |
Washington Double Stars (WDS) Number
| 17320+6808
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 20422 |
| Right Ascension (RA) J2000 | 17h 31m 57.868s |
| Declination (Dec) J2000 | +68° 8' 6.088" |
| Position Uncertainty | 0.0077s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00243 |
| Proper Motion in Dec (J2000) | +0.132766 |
| Radial Velocity | -073.5km s-1 |
| Trigonometric Parallax | +0.01502s |
| Trigonometric Parallax Uncertainty | 0.00054s |
| GCI Unit Vector in X (J2000) | -0.045444 |
| GCI Unit Vector in Y (J2000) | -0.369638 |
| GCI Unit Vector in Z (J2000) | 0.928064 |
| Galactic Longitude | 98.42° |
Galactic Latitude
| 32.40°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.08 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.13 |
| Observed B-V Colour | +1.052 |
| 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 | 5.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | G9IIIb |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 344 |
| Year of Observation | 1960. AD |
Printer Version