Astronomy
Constellations - Eridanus - 11tau3Eri

 
Identification Data
Common Name
ConstellationEridanus
Star Name11tau3Eri
Skymap Number3020056
Henry Draper (HD) Number18978
Harvard Revised (HR) Number919
SAO Number168249
Durchmusterung (DM) NumberCD-24 1387
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number245730
Right Ascension (RA) J20003h 2m 23.500s
Declination (Dec) J2000-23° 37' 28.098"
Position Uncertainty0.0068s
Proper Motion in RA (J2000)/cos(Dec)-0.01062
Proper Motion in Dec (J2000)-0.055866
Radial Velocity-009.8km s-1
Trigonometric Parallax+0.03785s
Trigonometric Parallax Uncertainty0.00069s
GCI Unit Vector in X (J2000)0.641050
GCI Unit Vector in Y (J2000)0.654571
GCI Unit Vector in Z (J2000)-0.400740
Galactic Longitude213.54°
Galactic Latitude
-60.29°
Observational Data
Observed Visual Magnitude (V)4.09
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.26
Observed B-V Colour+0.170
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 Magnitude4.2
Observed Photographic Magnitude4.2
Morgan Keenan (MK) Spectral TypeA4IV
One-Dimensional Spectral ClassA3
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