Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 41 Dra |
Skymap Number | 18000033 |
Henry Draper (HD) Number | 166866 |
Harvard Revised (HR) Number | 6810 |
SAO Number | 8996 |
Durchmusterung (DM) Number | BD+79 571 |
Washington Double Stars (WDS) Number
| 18002+8000
|
Positional Data |
Position and Proper Motion (PPM) Number | 3147 |
Right Ascension (RA) J2000 | 18h 0m 9.224s |
Declination (Dec) J2000 | +80° 0' 14.743" |
Position Uncertainty | 0.0290s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01802 |
Proper Motion in Dec (J2000) | +0.124067 |
Radial Velocity | +010.0km s-1 |
Trigonometric Parallax | +0.01884s |
Trigonometric Parallax Uncertainty | 0.00181s |
GCI Unit Vector in X (J2000) | 0.000116 |
GCI Unit Vector in Y (J2000) | -0.173578 |
GCI Unit Vector in Z (J2000) | 0.984820 |
Galactic Longitude | 111.78° |
Galactic Latitude
| 28.90°
|
Observational Data |
Observed Visual Magnitude (V) | 5.68 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.19 |
Observed B-V Colour | +0.505 |
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 | 5.8 |
Observed Photographic Magnitude | 6.2 |
Morgan Keenan (MK) Spectral Type | F7V |
One-Dimensional Spectral Class | F5 |
Position Angle | 231 |
Year of Observation | 1983. AD |