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The telescope and CCD detector
described in question 2 are used to
observe a distant star cluster. The
detector has 2000 x 2000 pixels. What is
the minimum angular separation
between two stars in the cluster that can
just be resolved with this observing
system if we ignore the effects of
diffraction and the Earth's atmosphere?
Assume the two stars are resolved if they
are able to fall on the centres of two
neighbouring pixels. Choose the answer
below that best matches your answer.
Select one:
Оа.
2.5"
O b. 0.07"
O C.
0.15"
d. 1.3"
е.
0.80"
Transcribed Image Text:The telescope and CCD detector described in question 2 are used to observe a distant star cluster. The detector has 2000 x 2000 pixels. What is the minimum angular separation between two stars in the cluster that can just be resolved with this observing system if we ignore the effects of diffraction and the Earth's atmosphere? Assume the two stars are resolved if they are able to fall on the centres of two neighbouring pixels. Choose the answer below that best matches your answer. Select one: Оа. 2.5" O b. 0.07" O C. 0.15" d. 1.3" е. 0.80"
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