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Astronomy
Constellations - Eridanus - 28tau7Eri

 
Identification Data
Common Name
ConstellationEridanus
Star Name28tau7Eri
Skymap Number3470095
Henry Draper (HD) Number23878
Harvard Revised (HR) Number1181
SAO Number168836
Durchmusterung (DM) NumberCD-24 1877
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number246698
Right Ascension (RA) J20003h 47m 39.651s
Declination (Dec) J2000-23° 52' 28.836"
Position Uncertainty0.0065s
Proper Motion in RA (J2000)/cos(Dec)+0.00350
Proper Motion in Dec (J2000)+0.049066
Radial Velocity+029.0km s-1
Trigonometric Parallax+0.01198s
Trigonometric Parallax Uncertainty0.00072s
GCI Unit Vector in X (J2000)0.499170
GCI Unit Vector in Y (J2000)0.766170
GCI Unit Vector in Z (J2000)-0.404737
Galactic Longitude218.37°
Galactic Latitude
-50.30°
Observational Data
Observed Visual Magnitude (V)5.24
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.31
Observed B-V Colour+0.070
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.3
Observed Photographic Magnitude5.1
Morgan Keenan (MK) Spectral Type
One-Dimensional Spectral Class
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))

 
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Page compiled: Sun Sep 02 13:15:40 GMT+01:00 2001
 
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