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MagE Calibrations

Order definition 

 

 Fast 1x1 

Slit (") 0.5 0.7 0.85 1.0 1.2 1.5 2.0 5.0 comments
Exp.Time (sec)  50 35 30 25 20 15 10  5 orders 9-14 show counts between 15000-25000 (a couple of lines are saturated) - low counts in orders 6 and 18-20 (50 to 100 counts above background)
Exp.Time (sec)   99 90 90 60 60 40 30  15 orders 18-20 have ~200-400 counts over the background - orders 10-14 show some saturation

 

 

Red Flats  

With lamp Qh - reaching 30000-40000 counts in orders 7-9 

Fast 1x1 

Slit (") 0.5 0.7 0.85 1.0 1.2 1.5 2.0 5.0
Exp.Time (sec)  50 30 25 20  18 14 10  4
 

Slow 1x1

Slit (") 0.5 0.7 0.85 1.0 1.2 1.5 2.0 5.0
Exp.Time (sec)  58 38  32 25 21 17 13  5

 

 

Blue and Very blue flats : 

Lamp: Xe-flash 

Slit: 5" 

Focus set to 1100  - remember to write down the nominal focus value, because it has to be manually inserted after flat sequence is over. 

Exp. time: 15s for Blue flats and 100s for Very blue flats 

A sequence of at least 15 blue flats and at least 5 Very blue flats is recommended. For more details take a look at the manual 

 

 

 

 

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