Identification Data |
Common Name | |
Constellation | Cygnus |
Star Name | 75 Cyg |
Skymap Number | 21400034 |
Henry Draper (HD) Number | 206330 |
Harvard Revised (HR) Number | 8284 |
SAO Number | 51167 |
Durchmusterung (DM) Number | BD+42 4177 |
Washington Double Stars (WDS) Number
| 21402+4316
|
Positional Data |
Position and Proper Motion (PPM) Number | 61846 |
Right Ascension (RA) J2000 | 21h 40m 11.109s |
Declination (Dec) J2000 | +43° 16' 25.822" |
Position Uncertainty | 0.0061s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00554 |
Proper Motion in Dec (J2000) | +0.016166 |
Radial Velocity | -028.3km s-1 |
Trigonometric Parallax | +0.00806s |
Trigonometric Parallax Uncertainty | 0.00061s |
GCI Unit Vector in X (J2000) | 0.596750 |
GCI Unit Vector in Y (J2000) | -0.417131 |
GCI Unit Vector in Z (J2000) | 0.685486 |
Galactic Longitude | 90.01° |
Galactic Latitude
| -7.04°
|
Observational Data |
Observed Visual Magnitude (V) | 5.10 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 6.67 |
Observed B-V Colour | +1.572 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | M1IIIab |
One-Dimensional Spectral Class | K5 |
Position Angle | 324 |
Year of Observation | 1975. AD |