Astronomy
Constellations - Eridanus - kap Eri

 
Identification Data
Common Name
ConstellationEridanus
Star Namekap Eri
Skymap Number2260115
Henry Draper (HD) Number15371
Harvard Revised (HR) Number721
SAO Number215906
Durchmusterung (DM) NumberCD-48 637
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number306757
Right Ascension (RA) J20002h 26m 59.122s
Declination (Dec) J2000-47° 42' 13.825"
Position Uncertainty0.0062s
Proper Motion in RA (J2000)/cos(Dec)+0.00198
Proper Motion in Dec (J2000)-0.005466
Radial Velocity+027.7km s-1
Trigonometric Parallax+0.00617s
Trigonometric Parallax Uncertainty0.00060s
GCI Unit Vector in X (J2000)0.539240
GCI Unit Vector in Y (J2000)0.402616
GCI Unit Vector in Z (J2000)-0.739676
Galactic Longitude267.11°
Galactic Latitude
-62.24°
Observational Data
Observed Visual Magnitude (V)4.25
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.12
Observed B-V Colour-0.131
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.4
Observed Photographic Magnitude4.3
Morgan Keenan (MK) Spectral TypeB5IV
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