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Units od Intensity (AU)

by russel.arnold
Tags: intensity, units
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russel.arnold
#1
Jun28-10, 11:37 PM
P: 41
I know that the SI unit of Intensity is W/m^2. I came across one more unit of intensity -> AU..but could not get much on that. Can anybody tell me the conversion formula ( from SI to AU ) ?
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Zarqon
#2
Jun29-10, 04:16 AM
P: 229
When displaying intensity AU or Arb.u., mostly certainly measn 'Arbitrary units', which means that the absolute value of the intensity is not known and/or not important. For intensities, quite often it's enough to know only the relative value, e.g. when inferring a decay time constant from an intensity curve.


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