Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 7 Dra |
Skymap Number | 12470078 |
Henry Draper (HD) Number | 111335 |
Harvard Revised (HR) Number | 4863 |
SAO Number | 15902 |
Durchmusterung (DM) Number | BD+67 764 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 18371 |
Right Ascension (RA) J2000 | 12h 47m 34.343s |
Declination (Dec) J2000 | +66° 47' 25.095" |
Position Uncertainty | 0.0062s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00028 |
Proper Motion in Dec (J2000) | -0.004766 |
Radial Velocity | +008.0km s-1 |
Trigonometric Parallax | +0.00419s |
Trigonometric Parallax Uncertainty | 0.00053s |
GCI Unit Vector in X (J2000) | -0.385638 |
GCI Unit Vector in Y (J2000) | -0.081218 |
GCI Unit Vector in Z (J2000) | 0.919069 |
Galactic Longitude | 123.53° |
Galactic Latitude
| 50.33°
|
Observational Data |
Observed Visual Magnitude (V) | 5.43 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 7.00 |
Observed B-V Colour | +1.571 |
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 | 5.7 |
Observed Photographic Magnitude | 6.8 |
Morgan Keenan (MK) Spectral Type | gK5 |
One-Dimensional Spectral Class | K5 |
Position Angle | |
Year of Observation | AD |