Identification Data |
Common Name | |
Constellation | Eridanus |
Star Name | chi Eri |
Skymap Number | 1550126 |
Henry Draper (HD) Number | 11937 |
Harvard Revised (HR) Number | 566 |
SAO Number | 232573 |
Durchmusterung (DM) Number | CP-52 241 |
Washington Double Stars (WDS) Number
| 01560-5137
|
Positional Data |
Position and Proper Motion (PPM) Number | 331456 |
Right Ascension (RA) J2000 | 1h 55m 57.472s |
Declination (Dec) J2000 | -51° 36' 32.025" |
Position Uncertainty | 0.0069s |
Proper Motion in RA (J2000)/cos(Dec) | +0.07313 |
Proper Motion in Dec (J2000) | +0.284366 |
Radial Velocity | -006.3km s-1 |
Trigonometric Parallax | +0.05719s |
Trigonometric Parallax Uncertainty | 0.00062s |
GCI Unit Vector in X (J2000) | 0.543217 |
GCI Unit Vector in Y (J2000) | 0.300980 |
GCI Unit Vector in Z (J2000) | -0.783790 |
Galactic Longitude | 280.87° |
Galactic Latitude
| -62.67°
|
Observational Data |
Observed Visual Magnitude (V) | 3.72 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 4.57 |
Observed B-V Colour | +0.847 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.7 |
Observed Photographic Magnitude | 4.5 |
Morgan Keenan (MK) Spectral Type | G8III-IV* |
One-Dimensional Spectral Class | G5 |
Position Angle | 204 |
Year of Observation | 1956. AD |