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Old 18-04-2018, 02:51 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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Bojan,
Read to the end of that paper.
You'll see in the "grating in converging beam" that the actual resolution is severely compromised by the aberrations.
The same formula is used in the TransSpec spreadsheet.
ie the dispersion may be 4A/pixel, but the resolution 35A......
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