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Astronomy
Constellations - Ara - iot Ara

 
Identification Data
Common Name
ConstellationAra
Star Nameiot Ara
Skymap Number17230049
Henry Draper (HD) Number157042
Harvard Revised (HR) Number6451
SAO Number227886
Durchmusterung (DM) NumberCD-4711484
Washington Double Stars (WDS) Number
17233-4728
Positional Data
Position and Proper Motion (PPM) Number322888
Right Ascension (RA) J200017h 23m 16.075s
Declination (Dec) J2000-47° 28' 5.508"
Position Uncertainty0.0086s
Proper Motion in RA (J2000)/cos(Dec)-0.00066
Proper Motion in Dec (J2000)-0.017666
Radial Velocity-019.0km s-1
Trigonometric Parallax+0.00452s
Trigonometric Parallax Uncertainty0.00081s
GCI Unit Vector in X (J2000)-0.107882
GCI Unit Vector in Y (J2000)-0.667335
GCI Unit Vector in Z (J2000)-0.736902
Galactic Longitude342.02°
Galactic Latitude
-6.33°
Observational Data
Observed Visual Magnitude (V)5.26
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.14
Observed B-V Colour-0.123
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB2IIIne
One-Dimensional Spectral ClassB3
Position Angle62
Year of Observation1900. 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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