Assuming your star tracker has a field of view of 20 by 10 degrees and you...

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Assuming your star tracker has a field of view of 20 by 10 degrees and you can see all stars in the FOV. With the Tycho-2, what is the average number of stars in the FOV? How many stars do you see on average with a 99% probability? Take 10 random viewing directions and check if they are in agreement with your 99% prediction. focalLength 2.5630 sensorWidth 0.0369 sensorHeight 0.0369 f_number 7.2000 D 0.3556 d 0.1725 rows 4096 cols 4096 CRPIXX 2.0485e+03 CRPIXY 2.0485e+03 pxScale 0.7254 fovx 0.8244 fovy 0.8241 CD [1,0,0,1] > A 1x12 double B 1x12 double AP 1x12 double BP 1x12 double Assuming your star tracker has a field of view of 20 by 10 degrees and you can see all stars in the FOV. With the Tycho-2, what is the average number of stars in the FOV? How many stars do you see on average with a 99% probability? Take 10 random viewing directions and check if they are in agreement with your 99% prediction. focalLength 2.5630 sensorWidth 0.0369 sensorHeight 0.0369 f_number 7.2000 D 0.3556 d 0.1725 rows 4096 cols 4096 CRPIXX 2.0485e+03 CRPIXY 2.0485e+03 pxScale 0.7254 fovx 0.8244 fovy 0.8241 CD [1,0,0,1] > A 1x12 double B 1x12 double AP 1x12 double BP 1x12 double