Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.naic.edu/~phil/optics/dish/dishmeasoct02_3.pdf Дата изменения: Mon Nov 4 23:34:10 2002 Дата индексирования: Tue Aug 18 09:02:45 2009 Кодировка: Поисковые слова: arp 220

Primary Measurement Sigmas, East Half Of Reflector Photos Taken October/November 2001

3

2.5

mm.

2

1.5

1

0.5

5000

10000

15000

20000

Scatter plot in order the data was taken. Tieback targets are first, then the SE quadrent in four sections from N/S centerline to the East edge, lastly the NE quadrent in four sections in the same order. There are 8 out of 19621 points offscale. The largest is 3.6 mm. The scalloping corresponds to the main cable spacing. There is no scalloping on the tieback targets since they all lie on main cables. The tieback targets cover the entire reflector. The sigma values are calculated by the VStars data reduction software.