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Astronomy
Constellations - Norma - eta Nor

 
Identification Data
Common Name
ConstellationNorma
Star Nameeta Nor
Skymap Number16030034
Henry Draper (HD) Number143546
Harvard Revised (HR) Number5962
SAO Number226466
Durchmusterung (DM) NumberCD-4810512
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number321310
Right Ascension (RA) J200016h 3m 12.897s
Declination (Dec) J2000-49° 13' 46.904"
Position Uncertainty0.0080s
Proper Motion in RA (J2000)/cos(Dec)+0.00420
Proper Motion in Dec (J2000)+0.010466
Radial Velocity-000.3km s-1
Trigonometric Parallax+0.01497s
Trigonometric Parallax Uncertainty0.00076s
GCI Unit Vector in X (J2000)-0.318549
GCI Unit Vector in Y (J2000)-0.570063
GCI Unit Vector in Z (J2000)-0.757334
Galactic Longitude331.97°
Galactic Latitude
2.52°
Observational Data
Observed Visual Magnitude (V)4.64
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.56
Observed B-V Colour+0.924
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 Magnitude4.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG8III
One-Dimensional Spectral ClassG5
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 13:15:45 GMT+01:00 2001
 
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