Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 44chi Dra |
Skymap Number | 18200218 |
Henry Draper (HD) Number | 170153 |
Harvard Revised (HR) Number | 6927 |
SAO Number | 9087 |
Durchmusterung (DM) Number | BD+72 839 |
Washington Double Stars (WDS) Number
| 18211+7244
|
Positional Data |
Position and Proper Motion (PPM) Number | 9830 |
Right Ascension (RA) J2000 | 18h 21m 3.382s |
Declination (Dec) J2000 | +72° 43' 58.235" |
Position Uncertainty | 0.0059s |
Proper Motion in RA (J2000)/cos(Dec) | +0.11927 |
Proper Motion in Dec (J2000) | -0.351666 |
Radial Velocity | +032.5km s-1 |
Trigonometric Parallax | +0.12411s |
Trigonometric Parallax Uncertainty | 0.00048s |
GCI Unit Vector in X (J2000) | 0.027233 |
GCI Unit Vector in Y (J2000) | -0.295576 |
GCI Unit Vector in Z (J2000) | 0.954931 |
Galactic Longitude | 103.46° |
Galactic Latitude
| 28.06°
|
Observational Data |
Observed Visual Magnitude (V) | 3.57 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.08 |
Observed B-V Colour | +0.507 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.7 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | F7V |
One-Dimensional Spectral Class | F8 |
Position Angle | |
Year of Observation | 1992. AD |