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History

Mnemonic:

MAJ_ICU

Name:

MAJ internal calibration using ICU

Description:

To monitor the radiometric performances of MAJIS using VISNIR and IR sources Specifically, there are several goals
A) tracking the evolution of the actual levels (before subtracting for CDS) in the digital dynamics (0-65535 at 100 kHz, 0-4095 at 1 MHz). Such an evolution could lead to adjust an offset which can be selected by TC (4 settings) so as to avoid reaching digital saturation for the read image before analog saturation.
B) tracking the evolution of the dark current and cosmetics (new hot / dead pixels)
C) tracking the evolution of the overall photometric response as a function of the signal (needed for the pipeline)

Pointing: MAJIS scan mirror oriented towards the ICU (8.5°)
Satellite orientation: Deep space
Duration: 10min

Payload:

MAJIS

Pointing

Pointing Type:

inertial

Target:

PTRSnippet file:

Advanced

Scheduling Rules:

Once per month (TBC)

any rule that is used to schedule the observation: repetition rules, continuous (plasma instruments), one-off, every orbit, every day, etc

Avoidance Rules:

TBD

conditions that make the observation not possible (e.g. thruster firing)

Comments:

#update2022May18

Support Plot 1:

Support Plot 2:

Support Plot 3:

Commanding

ITLSnippet file:

Related segment definitions

	Segmentdefinition
Segment	CAL
Segment	MAJIS_OBSERVATION
Segment	MAJIS_PRIME_OBSERVATION

Power profiles

	Event	Time	Mode	User Defined Power (Watts)	Comment
Start 00:00:00 CALIBRATION_PEAK 30.0 [Watt]	Start	00:00:00	CALIBRATION_PEAK	-

Data profiles

	Event	Time	Mode	User Defined Data Rate (bit/s)	Comment
Start 00:00:00 User Defined 900000.0 [bit/s]	Start	00:00:00	User Defined	900000.0	no reduction factor

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