Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 74 Dra |
Skymap Number | 20290089 |
Henry Draper (HD) Number | 196925 |
Harvard Revised (HR) Number | 7908 |
SAO Number | 3413 |
Durchmusterung (DM) Number | BD+80 660 |
Washington Double Stars (WDS) Number
| 20295+8105
|
Positional Data |
Position and Proper Motion (PPM) Number | 3600 |
Right Ascension (RA) J2000 | 20h 29m 27.566s |
Declination (Dec) J2000 | +81° 5' 28.598" |
Position Uncertainty | 0.0073s |
Proper Motion in RA (J2000)/cos(Dec) | +0.02887 |
Proper Motion in Dec (J2000) | +0.221766 |
Radial Velocity | -014.0km s-1 |
Trigonometric Parallax | +0.01588s |
Trigonometric Parallax Uncertainty | 0.00052s |
GCI Unit Vector in X (J2000) | 0.093983 |
GCI Unit Vector in Y (J2000) | -0.123081 |
GCI Unit Vector in Z (J2000) | 0.987936 |
Galactic Longitude | 114.11° |
Galactic Latitude
| 23.16°
|
Observational Data |
Observed Visual Magnitude (V) | 5.97 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.90 |
Observed B-V Colour | +0.932 |
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 | 6.1 |
Observed Photographic Magnitude | 7.1 |
Morgan Keenan (MK) Spectral Type | K0III+F8V |
One-Dimensional Spectral Class | K0 |
Position Angle | 36 |
Year of Observation | 1983. AD |