Astronomy
Constellations - Eridanus - 52ups2Eri (Theemim)

 
Identification Data
Common NameTheemim
ConstellationEridanus
Star Name52ups2Eri
Skymap Number4350069
Henry Draper (HD) Number29291
Harvard Revised (HR) Number1464
SAO Number195148
Durchmusterung (DM) NumberCD-30 1901
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number280424
Right Ascension (RA) J20004h 35m 33.038s
Declination (Dec) J2000-30° 33' 44.429"
Position Uncertainty0.0064s
Proper Motion in RA (J2000)/cos(Dec)-0.00379
Proper Motion in Dec (J2000)-0.012866
Radial Velocity-004.0km s-1
Trigonometric Parallax+0.01562s
Trigonometric Parallax Uncertainty0.00063s
GCI Unit Vector in X (J2000)0.310158
GCI Unit Vector in Y (J2000)0.803278
GCI Unit Vector in Z (J2000)-0.508476
Galactic Longitude231.01°
Galactic Latitude
-41.31°
Observational Data
Observed Visual Magnitude (V)3.81
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.77
Observed B-V Colour+0.960
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 Magnitude3.9
Observed Photographic Magnitude4.9
Morgan Keenan (MK) Spectral TypeG8.5IIIa
One-Dimensional Spectral ClassK0
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