Identification Data |
Common Name | |
Constellation | Cygnus |
Star Name | 42 Cyg |
Skymap Number | 20290083 |
Henry Draper (HD) Number | 195324 |
Harvard Revised (HR) Number | 7835 |
SAO Number | 70096 |
Durchmusterung (DM) Number | BD+35 4141 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 85042 |
Right Ascension (RA) J2000 | 20h 29m 20.390s |
Declination (Dec) J2000 | +36° 27' 17.024" |
Position Uncertainty | 0.0050s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00021 |
Proper Motion in Dec (J2000) | -0.001666 |
Radial Velocity | -018.0km s-1 |
Trigonometric Parallax | +0.00193s |
Trigonometric Parallax Uncertainty | 0.00052s |
GCI Unit Vector in X (J2000) | 0.487803 |
GCI Unit Vector in Y (J2000) | -0.639523 |
GCI Unit Vector in Z (J2000) | 0.594187 |
Galactic Longitude | 75.86° |
Galactic Latitude
| -1.47°
|
Observational Data |
Observed Visual Magnitude (V) | 5.91 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 6.31 |
Observed B-V Colour | +0.404 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.9 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A1Ib |
One-Dimensional Spectral Class | A0 |
Position Angle | |
Year of Observation | AD |