Changes between Version 3 and Version 4 of HetProcedures/RA/acmcals


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Timestamp:
Feb 20, 2019 4:09:58 PM (5 years ago)
Author:
sco
Comment:

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  • HetProcedures/RA/acmcals

    v3 v4  
    77
    88{{{
    9 # Take 43 acm bias frames   
    10 % acm_bias_run 43
     9# Take 5 acm bias frames   
     10% acm_bias_run 5
    1111arg1 - number of bias images to take 
    1212}}}
    … …  
    1919}}}
    2020
    21 Tking large numbers of each type of calibration is not critical. The fixed bias pattern seems to be fairly constant, but the mean bias level floats around. A set 11 acm bias frames on any given night would be extremely useful for deriving the nightly mean level.
     21Taking large numbers of each type of calibration is not critical. The fixed bias pattern seems to be fairly constant, but the mean bias level floats around. A set 5 acm bias frames on any given night would be extremely useful for deriving the nightly mean level.