How to use Arcsec in a sentence

arcsec
  • For uniform surface brightness sources, an aperture with an area of 1 square arcsec is used.

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  • The filter wheel includes a 4x magnifier that results in 0.12 arcsec pixels for near diffraction limited imaging.

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  • However, with a count rate of counts s -1 arcsec -2 the dark count rate of the detector is generally negligible.

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  • An example would be a delivered image quality of 0.45 arcsec when 0.3 arcsec was requested.

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  • The specification for the former can be estimated using the 0.25 arcsec slit width.

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  • The slit widths are given in arcsec projected on the sky.

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