Identification Data |
Common Name | |
Constellation | Cygnus |
Star Name | 68 Cyg |
Skymap Number | 21180100 |
Henry Draper (HD) Number | 203064 |
Harvard Revised (HR) Number | 8154 |
SAO Number | 50690 |
Durchmusterung (DM) Number | BD+43 3877 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 61260 |
Right Ascension (RA) J2000 | 21h 18m 27.185s |
Declination (Dec) J2000 | +43° 56' 45.401" |
Position Uncertainty | 0.0061s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00042 |
Proper Motion in Dec (J2000) | -0.009166 |
Radial Velocity | +004.4km s-1 |
Trigonometric Parallax | -0.00005s |
Trigonometric Parallax Uncertainty | 0.00055s |
GCI Unit Vector in X (J2000) | 0.548412 |
GCI Unit Vector in Y (J2000) | -0.466516 |
GCI Unit Vector in Z (J2000) | 0.693979 |
Galactic Longitude | 87.62° |
Galactic Latitude
| -3.84°
|
Observational Data |
Observed Visual Magnitude (V) | 5.05 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.98 |
Observed B-V Colour | -0.065 |
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 | 5.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | O7.5III:n((f)) |
One-Dimensional Spectral Class | O0 |
Position Angle | |
Year of Observation | AD |