Blurring of an Object by a optical/radio Telescope
Joachim Köppen Kiel July 2019

Some brief explanations


The object

object FWHM
object separation
L/R intensity ratio

The antenna/instrument

antenna FWHM





The result
apparent FWHM
obj+F²ant
filling factor guesses:
min(1,(Fobj/Fant)²)
obj/(F²obj+F²ant)
true value (2D only)






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