| Identification Data |
| Common Name | |
| Constellation | Draco |
| Star Name | 30 Dra |
| Skymap Number | 17490020 |
| Henry Draper (HD) Number | 162579 |
| Harvard Revised (HR) Number | 6656 |
| SAO Number | 30591 |
| Durchmusterung (DM) Number | BD+50 2468 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 36199 |
| Right Ascension (RA) J2000 | 17h 49m 4.286s |
| Declination (Dec) J2000 | +50° 46' 51.870" |
| Position Uncertainty | 0.0068s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00547 |
| Proper Motion in Dec (J2000) | +0.218266 |
| Radial Velocity | -054.8km s-1 |
| Trigonometric Parallax | +0.01503s |
| Trigonometric Parallax Uncertainty | 0.00047s |
| GCI Unit Vector in X (J2000) | -0.030139 |
| GCI Unit Vector in Y (J2000) | -0.631567 |
| GCI Unit Vector in Z (J2000) | 0.774736 |
| Galactic Longitude | 78.07° |
Galactic Latitude
| 30.30°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.02 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.06 |
| Observed B-V Colour | +0.039 |
| 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 | A2V |
| One-Dimensional Spectral Class | A2 |
| Position Angle | 26 |
| Year of Observation | 1990. AD |
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