Identification Data |
Common Name | |
Constellation | Capricornus |
Star Name | 22eta Cap |
Skymap Number | 21040090 |
Henry Draper (HD) Number | 200499 |
Harvard Revised (HR) Number | 8060 |
SAO Number | 189986 |
Durchmusterung (DM) Number | SD-20 6115 |
Washington Double Stars (WDS) Number
| 21044-1951
|
Positional Data |
Position and Proper Motion (PPM) Number | 238322 |
Right Ascension (RA) J2000 | 21h 4m 24.300s |
Declination (Dec) J2000 | -19° 51' 17.966" |
Position Uncertainty | 0.0223s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00277 |
Proper Motion in Dec (J2000) | -0.024567 |
Radial Velocity | +024.km s-1 |
Trigonometric Parallax | +0.02064s |
Trigonometric Parallax Uncertainty | 0.00147s |
GCI Unit Vector in X (J2000) | 0.677732 |
GCI Unit Vector in Y (J2000) | -0.652168 |
GCI Unit Vector in Z (J2000) | -0.339641 |
Galactic Longitude | 28.06° |
Galactic Latitude
| -37.86°
|
Observational Data |
Observed Visual Magnitude (V) | 4.85 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.02 |
Observed B-V Colour | +0.173 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.8 |
Observed Photographic Magnitude | 5.0 |
Morgan Keenan (MK) Spectral Type | A5V |
One-Dimensional Spectral Class | A3 |
Position Angle | 90 |
Year of Observation | 1992. AD |