Astronomy
Constellations - Eridanus - 15 Eri

 
Identification Data
Common Name
ConstellationEridanus
Star Name15 Eri
Skymap Number3180045
Henry Draper (HD) Number20610
Harvard Revised (HR) Number994
SAO Number168452
Durchmusterung (DM) NumberCD-22 1146
Washington Double Stars (WDS) Number
03184-2231
Positional Data
Position and Proper Motion (PPM) Number246072
Right Ascension (RA) J20003h 18m 22.109s
Declination (Dec) J2000-22° 30' 40.028"
Position Uncertainty0.0123s
Proper Motion in RA (J2000)/cos(Dec)+0.00102
Proper Motion in Dec (J2000)+0.010967
Radial Velocity+023.9km s-1
Trigonometric Parallax+0.01279s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)0.598833
GCI Unit Vector in Y (J2000)0.703431
GCI Unit Vector in Z (J2000)-0.382863
Galactic Longitude213.26°
Galactic Latitude
-56.46°
Observational Data
Observed Visual Magnitude (V)4.87
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.77
Observed B-V Colour+0.901
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 Magnitude4.1
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeG6III
One-Dimensional Spectral ClassK0
Position Angle78
Year of Observation1991. 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