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Type:
Bug
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Status: Open (View Workflow)
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Priority:
Normal
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Resolution: Unresolved
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Component/s: None
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Labels:None
Over the 400 galaxy spectra of the weekly run (PIPE2D 2023.28), the success rate felt from 94% to 64% since the April production (PIPE2D 2023.12).
On the very first spectrum

there is an unflagged spike that is mistaken for an emission line. In addition the noise in the IR arm is a factor close to 10 higher than in the two other arms.
The situation is similar in all spectra with a wrong redshift measurement. There is no specific redshift value for those values in error, which shows the problem seems to come from CR removal rather than from sky line subtraction.