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CoRoT S.C. - 24/09/07 - S.Chaintreuil Production N0/N1/N2 Status of current software Proposed evolutions foreplanned production

CoRoT S.C. - 24/09/07 - S.Chaintreuil Production N0/N1/N2 Status of current software Proposed evolutions foreplanned production

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Page 1: CoRoT S.C. - 24/09/07 - S.Chaintreuil Production N0/N1/N2 Status of current software Proposed evolutions foreplanned production

CoRoT S.C. - 24/09/07 - S.Chaintreuil

Production N0/N1/N2

Status of current software

Proposed evolutions foreplanned production

Page 2: CoRoT S.C. - 24/09/07 - S.Chaintreuil Production N0/N1/N2 Status of current software Proposed evolutions foreplanned production

CoRoT S.C. - 24/09/07 - S.Chaintreuil 2

Status of current software

All N1 products are able to be produced (except exo imagettes) Initialization data

• auxiliary products : windescriptor, templates, masks• high resolution PSF• surfaces de correction

Common products• datation (OBT, GPS)• orbit_events, ephemeris

N1 seismology products• offset, backgrounds, light curves, imagettes

N1 exo products• offset, backgrounds 32s et 512s, chromatic et monochromatic light curves, 32s

et 512s, (imagettes) Outliers are removed in offset and background data V1.0 : Outliers are « marked » and SAA informations are inserted into

star light curves V1.1 : SAA informations are inserted into star light curves and outliers

are replaced using method 2 (médiane ou moyenne glissante)

Page 3: CoRoT S.C. - 24/09/07 - S.Chaintreuil Production N0/N1/N2 Status of current software Proposed evolutions foreplanned production

CoRoT S.C. - 24/09/07 - S.Chaintreuil 3

Two types of N1 products

N1 for « alarm » offset corrections Background corrections using « median background light

curves » calculated as the median of similar background light curves (will be implemented for LRa01)

No jitter corrections, no outliers corrections N1 for N2

current version (1.0)• offset corrections, background corrections (bright pixels not

removed), jitter corrections, SAA flag inserted, outliers marked version 1.1 (if required)

• offset corrections, background corrections (bright pixels not removed), jitter corrections, SAA flag inserted, outliers marked

Version 2 : will probably use new modules processing the whole run

1 or 2 softwares ? still in discussion

Page 4: CoRoT S.C. - 24/09/07 - S.Chaintreuil Production N0/N1/N2 Status of current software Proposed evolutions foreplanned production

CoRoT S.C. - 24/09/07 - S.Chaintreuil 4

Production

Currently, all N1 products are generated at LESIA

N1 products for alarm will be produced at CNES (04/2008) or at LAM

N1 products for N2 will be produced at LESIA then at CNES (when/if methods are stable)

N2 products will be generated at LESIA

Page 5: CoRoT S.C. - 24/09/07 - S.Chaintreuil Production N0/N1/N2 Status of current software Proposed evolutions foreplanned production

CoRoT S.C. - 24/09/07 - S.Chaintreuil 5

Calendrier

introduire les corrections de pixels brillants sur les fonds de ciel pour les 4 premiers runs

• fin septembre produire des N1 exo au fil de l’eau en vue de la

détection des alarmes au LAM• dès le début de LRa01

distribuer une première version des données N2 des 2 voies de IRa01

• début décembre distribuer une première version des données N2 des 2

voies de SRc01• début janvier

préparer l’introduction des corrections de long terme dans la chaîne de production des N1 en vue des N2

• mars-avril 2008

Page 6: CoRoT S.C. - 24/09/07 - S.Chaintreuil Production N0/N1/N2 Status of current software Proposed evolutions foreplanned production

CoRoT S.C. - 24/09/07 - S.Chaintreuil 6

Planning