P3.25 Detector gain

• Phase : 3
• Status : Draft
• Category : Daytime calibration (C3)
• Recurrence : once every month starting from commissioning.
• Duration : 20 minutes

Description

• Monitor detector gain factor, RON, and non-linearity over time.

Prerequisites

• Instrument and dome closed

Procedure

• This calibration is performed by reading the detector without any light illumination i.e. using an opaque position during 600s.
• Continuous extended source in the calibration; various ND; various integration times. CI in B_H.

Success criteria

• 5% expected accuracy.

Notes

• Same as activity 9.2 in AD4

LBTO support

• Support from LBTI/LBTO?

Associated SHARK-NIR personnel

• JF, LM, MdP

Date performed and by whom