Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 65 Dra |
Skymap Number | 20020081 |
Henry Draper (HD) Number | 190713 |
Harvard Revised (HR) Number | 7682 |
SAO Number | 18669 |
Durchmusterung (DM) Number | BD+64 1407 |
Washington Double Stars (WDS) Number
| 20023+6438
|
Positional Data |
Position and Proper Motion (PPM) Number | 21927 |
Right Ascension (RA) J2000 | 20h 2m 20.216s |
Declination (Dec) J2000 | +64° 38' 3.908" |
Position Uncertainty | 0.0064s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00653 |
Proper Motion in Dec (J2000) | +0.011266 |
Radial Velocity | +008.8km s-1 |
Trigonometric Parallax | +0.00972s |
Trigonometric Parallax Uncertainty | 0.00053s |
GCI Unit Vector in X (J2000) | 0.217968 |
GCI Unit Vector in Y (J2000) | -0.368795 |
GCI Unit Vector in Z (J2000) | 0.903593 |
Galactic Longitude | 97.64° |
Galactic Latitude
| 17.22°
|
Observational Data |
Observed Visual Magnitude (V) | 6.26 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 7.18 |
Observed B-V Colour | +0.922 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.7 |
Observed Photographic Magnitude | 7.3 |
Morgan Keenan (MK) Spectral Type | gG7 |
One-Dimensional Spectral Class | G5 |
Position Angle | 336 |
Year of Observation | 1923. AD |