Astronomy
Constellations - Eridanus - 18eps Eri

 
Identification Data
Common Name
ConstellationEridanus
Star Name18eps Eri
Skymap Number3320139
Henry Draper (HD) Number22049
Harvard Revised (HR) Number1084
SAO Number130564
Durchmusterung (DM) NumberSD-09 697
Washington Double Stars (WDS) Number
03330-0928
Positional Data
Position and Proper Motion (PPM) Number185905
Right Ascension (RA) J20003h 32m 55.844s
Declination (Dec) J2000-9° 27' 29.744"
Position Uncertainty0.0117s
Proper Motion in RA (J2000)/cos(Dec)-0.06599
Proper Motion in Dec (J2000)+0.018066
Radial Velocity+016.7km s-1
Trigonometric Parallax+0.31074s
Trigonometric Parallax Uncertainty0.00085s
GCI Unit Vector in X (J2000)0.590430
GCI Unit Vector in Y (J2000)0.790183
GCI Unit Vector in Z (J2000)-0.164329
Galactic Longitude195.86°
Galactic Latitude
-48.04°
Observational Data
Observed Visual Magnitude (V)3.73
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.62
Observed B-V Colour+0.891
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.8
Observed Photographic Magnitude4.8
Morgan Keenan (MK) Spectral TypeK2V
One-Dimensional Spectral ClassK0
Position Angle143
Year of Observation1975. 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