1 COROT: Scientific comity Sept 15 2006 Calibrations during the commissioning and before the first run. Calibrations cover closed Calibrations cover open.

1

COROT: Scientific comity Sept 15 2006

Calibrations during the commissioning and beforethe first run.

Calibrations cover closedCalibrations cover open

Content

2

COROT: Scientific comity Sept 15 2006

Cover closed.

Goals.

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

3

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%

Cover closed.

4

COROT: Scientific comity Sept 15 2006

Bright pixels:

Position and intensityFunction of the integratedradiations flux

Cover closed.

5

COROT: Scientific comity Sept 15 2006

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

PF channel

AS channel

Cover closed.

6

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

Cover closed.

7

COROT: Scientific comity Sept 15 2006

Cover opened

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

8

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

acqu

ired

dat

apr

ojec

ted

imag

esp

line

inte

rpo

latio

n

Image with jitter

Designed tooptimize a PSFfitting on imagettes

ReconstructedImage

Cover opened