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Astronomy
Constellations - Aries - 17eta Ari

 
Identification Data
Common Name
ConstellationAries
Star Name17eta Ari
Skymap Number2120097
Henry Draper (HD) Number13555
Harvard Revised (HR) Number646
SAO Number75204
Durchmusterung (DM) NumberBD+20 348
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number91445
Right Ascension (RA) J20002h 12m 48.085s
Declination (Dec) J2000+21° 12' 39.575"
Position Uncertainty0.0106s
Proper Motion in RA (J2000)/cos(Dec)+0.01162
Proper Motion in Dec (J2000)+0.004166
Radial Velocity+006.0km s-1
Trigonometric Parallax+0.03319s
Trigonometric Parallax Uncertainty0.00085s
GCI Unit Vector in X (J2000)0.780074
GCI Unit Vector in Y (J2000)0.510473
GCI Unit Vector in Z (J2000)0.361803
Galactic Longitude147.15°
Galactic Latitude
-37.81°
Observational Data
Observed Visual Magnitude (V)5.23
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.67
Observed B-V Colour+0.443
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.4
Observed Photographic Magnitude5.8
Morgan Keenan (MK) Spectral TypeF5V
One-Dimensional Spectral ClassF5
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 13:15:33 GMT+01:00 2001
 
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