Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 75 Dra |
Skymap Number | 20280039 |
Henry Draper (HD) Number | 196787 |
Harvard Revised (HR) Number | 7901 |
SAO Number | 3408 |
Durchmusterung (DM) Number | BD+80 659 |
Washington Double Stars (WDS) Number
| 20282+8125
|
Positional Data |
Position and Proper Motion (PPM) Number | 3597 |
Right Ascension (RA) J2000 | 20h 28m 14.586s |
Declination (Dec) J2000 | +81° 25' 21.751" |
Position Uncertainty | 0.0072s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01507 |
Proper Motion in Dec (J2000) | +0.016266 |
Radial Velocity | -006.1km s-1 |
Trigonometric Parallax | +0.00715s |
Trigonometric Parallax Uncertainty | 0.00054s |
GCI Unit Vector in X (J2000) | 0.089883 |
GCI Unit Vector in Y (J2000) | -0.119016 |
GCI Unit Vector in Z (J2000) | 0.988816 |
Galactic Longitude | 114.41° |
Galactic Latitude
| 23.36°
|
Observational Data |
Observed Visual Magnitude (V) | 5.37 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 6.38 |
Observed B-V Colour | +1.007 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.6 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | G9III |
One-Dimensional Spectral Class | K0 |
Position Angle | 12 |
Year of Observation | 1960. AD |