Identification Data |
Common Name | |
Constellation | Cygnus |
Star Name | 72 Cyg |
Skymap Number | 21340155 |
Henry Draper (HD) Number | 205512 |
Harvard Revised (HR) Number | 8255 |
SAO Number | 71480 |
Durchmusterung (DM) Number | BD+37 4359 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 86752 |
Right Ascension (RA) J2000 | 21h 34m 46.564s |
Declination (Dec) J2000 | +38° 32' 2.593" |
Position Uncertainty | 0.0050s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00996 |
Proper Motion in Dec (J2000) | +0.093366 |
Radial Velocity | -065.9km s-1 |
Trigonometric Parallax | +0.01276s |
Trigonometric Parallax Uncertainty | 0.00053s |
GCI Unit Vector in X (J2000) | 0.630379 |
GCI Unit Vector in Y (J2000) | -0.463161 |
GCI Unit Vector in Z (J2000) | 0.622980 |
Galactic Longitude | 86.02° |
Galactic Latitude
| -9.85°
|
Observational Data |
Observed Visual Magnitude (V) | 4.87 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.96 |
Observed B-V Colour | +1.092 |
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 | 5.0 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K0.5IIIFe0.5 |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |