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ACAM CuNe arc maps

The plots below aid identification of the lines seen in CuNe arc exposures (the annotated wavelengths are approximate).
  1. Blue end of ACAM spectrum, ~ 4500 - 7000 A
  2. Red end of ACAM spectrum, ~ 6700 - 9700 A

Arc maps for CuAr are also available.

Additional line identifications can be found in the arc-lamp maps for the ISIS blue and red arms (La Palma technical notes 125 and 126).

(1) Blue end of ACAM spectrum, ~ 4500 - 7000 A:

Expected arc lines (data obtained with a different ING instrument):

The confused labels on the bluest five identified lines above indicate 5038, 5116, 5330, 5340 and 5401 A.

Fainter lines in the ACAM spectrum (re-scaling of the first figure above):

(2) Red end of ACAM spectrum, ~ 6700 - 9700 A:

Expected arc lines:



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Contact:  (ACAM Instrument Specialist)
Last modified: 1 August 2011