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COROT: Scientific comity Sept 15 2006

Calibrations during the commissioning and beforethe first run.

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Content

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COROT: Scientific comity Sept 15 2006

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Goals.

Effect of the temperature on:The dark current.The electronic offset

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COROT: Scientific comity Sept 15 2006

Gain measurement of the 8 electronic chains.

µ = σ2 (Poisson)

gain . µgain2 . σ2

ADC:

gain = σ2 / µ

CCD:

Precision ~1%

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COROT: Scientific comity Sept 15 2006

Bright pixels:

Position and intensityFunction of the integratedradiations flux

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COROT: Scientific comity Sept 15 2006

Calibration of the cross-talk between: Exoplanet <-> Asteroseimology CCDAsteroseimology CCD A1<-> A2

PF channel

AS channel

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COROT: Scientific comity Sept 15 2006

South Atlantic Anomaly• Verify that the shielding eliminate the electrons of the polar belts.• Protons flux measurement.• Validate the SAA limits.• Statistics on:

Intensity of the impacts.Number of pixels perturbed.Brightest pixel in an impact.

Statistic on MOST data

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COROT: Scientific comity Sept 15 2006

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Rough calibrations of the baffle efficiency.may imply a modification of the runs planning.

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COROT: Scientific comity Sept 15 2006

PSF reconstruction on the seismology channel.Resolution of 1/3 pixel. Cannot be done in the same way on the PF channel

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Image with jitter

Designed tooptimize a PSFfitting on imagettes

ReconstructedImage

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