Astronomy
Constellations - Eridanus - 45 Eri

 
Identification Data
Common Name
ConstellationEridanus
Star Name45 Eri
Skymap Number4310121
Henry Draper (HD) Number28749
Harvard Revised (HR) Number1437
SAO Number131270
Durchmusterung (DM) NumberBD-00 713
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number175558
Right Ascension (RA) J20004h 31m 52.667s
Declination (Dec) J2000-0° 2' 38.440"
Position Uncertainty0.0130s
Proper Motion in RA (J2000)/cos(Dec)-0.00025
Proper Motion in Dec (J2000)-0.008266
Radial Velocity+016.6km s-1
Trigonometric Parallax+0.00393s
Trigonometric Parallax Uncertainty0.00096s
GCI Unit Vector in X (J2000)0.375101
GCI Unit Vector in Y (J2000)0.926984
GCI Unit Vector in Z (J2000)-0.000768
Galactic Longitude195.34°
Galactic Latitude
-30.63°
Observational Data
Observed Visual Magnitude (V)4.90
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude6.24
Observed B-V Colour+1.335
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.0
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeK3II-III
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