| Identification Data |
| Common Name | |
| Constellation | Draco |
| Star Name | 39 Dra |
| Skymap Number | 18230170 |
| Henry Draper (HD) Number | 170073 |
| Harvard Revised (HR) Number | 6923 |
| SAO Number | 30949 |
| Durchmusterung (DM) Number | BD+58 1809 |
Washington Double Stars (WDS) Number
| 18239+5848
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 36589 |
| Right Ascension (RA) J2000 | 18h 23m 54.606s |
| Declination (Dec) J2000 | +58° 48' 2.650" |
| Position Uncertainty | 0.0068s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00484 |
| Proper Motion in Dec (J2000) | +0.062167 |
| Radial Velocity | -015.0km s-1 |
| Trigonometric Parallax | +0.01731s |
| Trigonometric Parallax Uncertainty | 0.00048s |
| GCI Unit Vector in X (J2000) | 0.053945 |
| GCI Unit Vector in Y (J2000) | -0.515199 |
| GCI Unit Vector in Z (J2000) | 0.855371 |
| Galactic Longitude | 87.88° |
Galactic Latitude
| 26.44°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.04 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.10 |
| Observed B-V Colour | +0.064 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.9 |
| Observed Photographic Magnitude | 4.9 |
| Morgan Keenan (MK) Spectral Type | A1V |
| One-Dimensional Spectral Class | A2 |
| Position Angle | 351 |
| Year of Observation | 1975. AD |
