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Write change log + data paper #8

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@bourgesl

Write the following documents:

  • JSDC3 release notes (summary + statistics)

  • JSDC3 README for CDS Vizier (column meta data)

  • JSDC3 full data model (+ changes)

  • 2 workflow diagram for JSDC2 & 3 (based on scenarios as xml files)

  • data paper (early 25 = PASP or arxiv/hal public archives):

    • Authors: LB, GM, Sylvain Lafrasse (LAPP), JPB, Pierre Cruzalebes, Gilles Duvert, Alain Chelli
    • abstract
    • used catalogs (describe MDFC / GAIA DR3 selected columns)
    • scenario update (with JSDC2 & 3 diagrams)
    • updated candidates (SIMBAD x ASCC x MDFC) for 2.5e6 stars
    • updated xmatch algorithm (pm + gaia V)
    • method update on stellar diameter computation:
      1 - bright (VJHK + SPTYPE)
      2 - faint (VJHK + NO SPTYPE) => best(chi2) + guess SPTYPE_JMMC
      3 - new fainter (G->V JHK +/- SPTYPE): lower confidence => diameter rough estimation
    • updated CalFlag (new XM flag + IR flag) + scaled chi2 (good if < 5)
    • Data summary & statistics
    • Lots of nice (stilts) Plots + compare with GAIA radius vs LDD_jsdc

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