APF System Throughput

Throughput Measurements

We provide a plot of our throughput measurements below. These values are used in the exposure time calculator

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This is the average of spectrophotometric standard star measurements taken through a 8 arc-second by 8 arc-second aperture during photometric conditions and near a new moon on August, 2022 just after the primary mirror was recoated.

Throughput Measurement -
	      April 2015