scope that has a diam a focal ratio f/10? Expr

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What is the field of view when a CCD
The telescope and CCD detector
described in question 2 are used to
detector of dimensions 15 mm x 15 mm is
observe a distant star cluster. The
used with a telescope that has a diameter
detector has 2000 x 2000 pixels. What is
of 1 metre and a focal ratio f/10? Express
the minimum angular separation
between two stars in the cluster that can
your answer in arcseconds x arcseconds.
just be resolved with this observing
Choose the answer below that best
system if we ignore the effects of
diffraction and the Earth's atmosphere?
matches your answer.
Assume the two stars are resolved if they
are able to fall on the centres of two
Select one:
neighbouring pixels. Choose the answer
below that best matches your answer.
О а.
68 x 68
O b. 698 x 698
Select one:
125 x 125
2.5"
а.
Ос.
b. 0.07"
O d. 243 x 243
О с
0.15"
O e.
309 х 309
d. 1.3"
е.
0.80"
Transcribed Image Text:What is the field of view when a CCD The telescope and CCD detector described in question 2 are used to detector of dimensions 15 mm x 15 mm is observe a distant star cluster. The used with a telescope that has a diameter detector has 2000 x 2000 pixels. What is of 1 metre and a focal ratio f/10? Express the minimum angular separation between two stars in the cluster that can your answer in arcseconds x arcseconds. just be resolved with this observing Choose the answer below that best system if we ignore the effects of diffraction and the Earth's atmosphere? matches your answer. Assume the two stars are resolved if they are able to fall on the centres of two Select one: neighbouring pixels. Choose the answer below that best matches your answer. О а. 68 x 68 O b. 698 x 698 Select one: 125 x 125 2.5" а. Ос. b. 0.07" O d. 243 x 243 О с 0.15" O e. 309 х 309 d. 1.3" е. 0.80"
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