Astronomy
Constellations - Eridanus - chi Eri

 
Identification Data
Common Name
ConstellationEridanus
Star Namechi Eri
Skymap Number1550126
Henry Draper (HD) Number11937
Harvard Revised (HR) Number566
SAO Number232573
Durchmusterung (DM) NumberCP-52 241
Washington Double Stars (WDS) Number
01560-5137
Positional Data
Position and Proper Motion (PPM) Number331456
Right Ascension (RA) J20001h 55m 57.472s
Declination (Dec) J2000-51° 36' 32.025"
Position Uncertainty0.0069s
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 Uncertainty0.00062s
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 Longitude280.87°
Galactic Latitude
-62.67°
Observational Data
Observed Visual Magnitude (V)3.72
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude4.57
Observed B-V Colour+0.847
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.7
Observed Photographic Magnitude4.5
Morgan Keenan (MK) Spectral TypeG8III-IV*
One-Dimensional Spectral ClassG5
Position Angle204
Year of Observation1956. AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:40 GMT+01:00 2001