Astronomy
Constellations - Eridanus - 42xi Eri

 
Identification Data
Common Name
ConstellationEridanus
Star Name42xi Eri
Skymap Number4230095
Henry Draper (HD) Number27861
Harvard Revised (HR) Number1383
SAO Number131176
Durchmusterung (DM) NumberSD-04 818
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number186874
Right Ascension (RA) J20004h 23m 40.852s
Declination (Dec) J2000-3° 44' 43.693"
Position Uncertainty0.0100s
Proper Motion in RA (J2000)/cos(Dec)-0.00320
Proper Motion in Dec (J2000)-0.056766
Radial Velocity-011.0km s-1
Trigonometric Parallax+0.01566s
Trigonometric Parallax Uncertainty0.00080s
GCI Unit Vector in X (J2000)0.407137
GCI Unit Vector in Y (J2000)0.911028
GCI Unit Vector in Z (J2000)-0.065324
Galactic Longitude197.83°
Galactic Latitude
-34.30°
Observational Data
Observed Visual Magnitude (V)5.17
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.25
Observed B-V Colour+0.077
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.2
Observed Photographic Magnitude5.3
Morgan Keenan (MK) Spectral TypeA2V
One-Dimensional Spectral ClassA2
Position Angle
Year of Observation 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