Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 43phi Dra |
Skymap Number | 18200171 |
Henry Draper (HD) Number | 170000 |
Harvard Revised (HR) Number | 6920 |
SAO Number | 9084 |
Durchmusterung (DM) Number | BD+71 889 |
Washington Double Stars (WDS) Number
| 18208+7120
|
Positional Data |
Position and Proper Motion (PPM) Number | 9824 |
Right Ascension (RA) J2000 | 18h 20m 45.430s |
Declination (Dec) J2000 | +71° 20' 16.132" |
Position Uncertainty | 0.0069s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00123 |
Proper Motion in Dec (J2000) | +0.035867 |
Radial Velocity | -016.0km s-1 |
Trigonometric Parallax | +0.01128s |
Trigonometric Parallax Uncertainty | 0.00048s |
GCI Unit Vector in X (J2000) | 0.028942 |
GCI Unit Vector in Y (J2000) | -0.318676 |
GCI Unit Vector in Z (J2000) | 0.947422 |
Galactic Longitude | 101.88° |
Galactic Latitude
| 28.04°
|
Observational Data |
Observed Visual Magnitude (V) | 4.23 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.16 |
Observed B-V Colour | -0.074 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.2 |
Observed Photographic Magnitude | 4.2 |
Morgan Keenan (MK) Spectral Type | A0pSi: |
One-Dimensional Spectral Class | A0 |
Position Angle | 271 |
Year of Observation | 1993. AD |