Identification Data |
Common Name | Aldhibah |
Constellation | Draco |
Star Name | 22zet Dra |
Skymap Number | 17080143 |
Henry Draper (HD) Number | 155763 |
Harvard Revised (HR) Number | 6396 |
SAO Number | 17365 |
Durchmusterung (DM) Number | BD+65 1170 |
Washington Double Stars (WDS) Number
| 17088+6543
|
Positional Data |
Position and Proper Motion (PPM) Number | 20234 |
Right Ascension (RA) J2000 | 17h 8m 47.195s |
Declination (Dec) J2000 | +65° 42' 52.860" |
Position Uncertainty | 0.0071s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00337 |
Proper Motion in Dec (J2000) | +0.019266 |
Radial Velocity | -017.0km s-1 |
Trigonometric Parallax | +0.00960s |
Trigonometric Parallax Uncertainty | 0.00047s |
GCI Unit Vector in X (J2000) | -0.091142 |
GCI Unit Vector in Y (J2000) | -0.401055 |
GCI Unit Vector in Z (J2000) | 0.911509 |
Galactic Longitude | 96.01° |
Galactic Latitude
| 35.04°
|
Observational Data |
Observed Visual Magnitude (V) | 3.18 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.07 |
Observed B-V Colour | -0.107 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.2 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B6III |
One-Dimensional Spectral Class | B5 |
Position Angle | 25 |
Year of Observation | 1991. AD |