[SURVEY-19] Implement sky variation across the FoV in the spectral simulator for some tests on the sky subtraction error

Relates — Tue, 11 Jun 2019 06:10:09 +0000

For the examination of sky subtraction error, make implementation to add sky background variation across the FoV in the spectral simulator. For this work, refer to thesis works by Murdock.

PFS-JIRA

[SURVEY-19] Implement sky variation across the FoV in the spectral simulator for some tests on the sky subtraction error