Astronomy
Constellations - Eridanus - 56 Eri

 
Identification Data
Common Name
ConstellationEridanus
Star Name56 Eri
Skymap Number4440017
Henry Draper (HD) Number30076
Harvard Revised (HR) Number1508
SAO Number131451
Durchmusterung (DM) NumberSD-08 929
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number187270
Right Ascension (RA) J20004h 44m 5.320s
Declination (Dec) J2000-8° 30' 12.854"
Position Uncertainty0.0093s
Proper Motion in RA (J2000)/cos(Dec)+0.00030
Proper Motion in Dec (J2000)+0.001566
Radial Velocity+015.1km s-1
Trigonometric Parallax+0.00243s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)0.321627
GCI Unit Vector in Y (J2000)0.935249
GCI Unit Vector in Z (J2000)-0.147871
Galactic Longitude205.72°
Galactic Latitude
-32.12°
Observational Data
Observed Visual Magnitude (V)5.78
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude5.70
Observed B-V Colour-0.079
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 Magnitude5.9
Observed Photographic Magnitude5.8
Morgan Keenan (MK) Spectral TypeB2Ve
One-Dimensional Spectral ClassB5
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