Identification Data |
Common Name | |
Constellation | Cygnus |
Star Name | 4 Cyg |
Skymap Number | 19260036 |
Henry Draper (HD) Number | 183056 |
Harvard Revised (HR) Number | 7395 |
SAO Number | 68301 |
Durchmusterung (DM) Number | BD+36 3557 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 82895 |
Right Ascension (RA) J2000 | 19h 26m 9.126s |
Declination (Dec) J2000 | +36° 19' 4.427" |
Position Uncertainty | 0.0062s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00035 |
Proper Motion in Dec (J2000) | +0.013066 |
Radial Velocity | -022.0km s-1 |
Trigonometric Parallax | +0.00499s |
Trigonometric Parallax Uncertainty | 0.00051s |
GCI Unit Vector in X (J2000) | 0.295803 |
GCI Unit Vector in Y (J2000) | -0.749482 |
GCI Unit Vector in Z (J2000) | 0.592265 |
Galactic Longitude | 69.12° |
Galactic Latitude
| 9.31°
|
Observational Data |
Observed Visual Magnitude (V) | 5.18 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.07 |
Observed B-V Colour | -0.112 |
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 | 5.2 |
Observed Photographic Magnitude | 5.1 |
Morgan Keenan (MK) Spectral Type | B9pSi |
One-Dimensional Spectral Class | A0 |
Position Angle | |
Year of Observation | AD |