Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 20 Dra |
Skymap Number | 16560085 |
Henry Draper (HD) Number | 153697 |
Harvard Revised (HR) Number | 6319 |
SAO Number | 17285 |
Durchmusterung (DM) Number | BD+65 1159 |
Washington Double Stars (WDS) Number
| 16564+6502
|
Positional Data |
Position and Proper Motion (PPM) Number | 20133 |
Right Ascension (RA) J2000 | 16h 56m 25.267s |
Declination (Dec) J2000 | +65° 2' 20.848" |
Position Uncertainty | 0.0109s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00544 |
Proper Motion in Dec (J2000) | +0.032767 |
Radial Velocity | -020.3km s-1 |
Trigonometric Parallax | +0.01490s |
Trigonometric Parallax Uncertainty | 0.00089s |
GCI Unit Vector in X (J2000) | -0.115573 |
GCI Unit Vector in Y (J2000) | -0.405865 |
GCI Unit Vector in Z (J2000) | 0.906596 |
Galactic Longitude | 95.55° |
Galactic Latitude
| 36.45°
|
Observational Data |
Observed Visual Magnitude (V) | 6.44 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.012 |
Observed B Magnitude | 6.79 |
Observed B-V Colour | +0.348 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.016 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.4 |
Observed Photographic Magnitude | 6.7 |
Morgan Keenan (MK) Spectral Type | F1-3V |
One-Dimensional Spectral Class | F0 |
Position Angle | 68 |
Year of Observation | 1992. AD |