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SUMMARY:IRN CCD2030 Kick-off 2024: combining cosmological data.
DTSTART:20240610T120000Z
DTEND:20240612T113000Z
DTSTAMP:20260415T105400Z
UID:indico-event-21@indico.iap.fr
DESCRIPTION:The precise determination of cosmological parameters\, includi
 ng the properties of dark energy\, are at the heart of the Planck and Eucl
 id space missions. They are also those of major ground-based telescope sur
 vey projects with very similar methodological approaches: DES\, Vera Rubin
 \, DESI. The ultimate constraints will be obtained by the joint use of dat
 a sets from these different experiments. However\, this objective requires
  a complex step: these data sets are indeed from partially overlapping sky
  areas. This requires on the one hand to take into account the effect of r
 edundancy of data from different instruments\, thus whose selection effect
 s are radically different\, an advantage to identify spurious systematics 
 errors\, but also\, on the other hand\, to take into account the fact that
  the overlap of these data brings additional information through their cro
 ss-correlation\, The joint use of these data therefore requires the develo
 pment of appropriate methods\, which is the case for the joint use of futu
 re Euclid data with Planck data\, but which has not yet been taken into ac
 count for the joint use with other data that are already available or that
  will be available in the next few years or even months. The purpose of t
 he IRN is primary to identify the best strategies on short term and facili
 tate their implementation\, but also to design appropriate strategies for 
 the future.The IRN (International research network ) is supported by INSU-
 CNRS. \n\nhttps://indico.iap.fr/event/21/
LOCATION:Salle des séminaires (IAP)
URL:https://indico.iap.fr/event/21/
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