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GHOST #2: Marseille: Nov 13-14, 2006 – Yves Frémat

Choice of hot and emission stars for GBO (1/7). Objectives:. Preparation phase: to develop and to test algorithms During the mission: verification and correction … or for pattern recognition algorithms. Magnitude range:. Mainly V = 10 – 14. Observations type:.

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GHOST #2: Marseille: Nov 13-14, 2006 – Yves Frémat

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  1. Choice of hot and emission stars for GBO(1/7) Objectives: Preparation phase: to develop and to test algorithms During the mission: verification andcorrection … or for pattern recognition algorithms Magnitude range: Mainly V = 10 – 14 Observations type: Photometry, LR spectroscopy, spectrophotometry HR spectroscopy GHOST #2: Marseille: Nov 13-14, 2006 – Yves Frémat

  2. Choice of hot and emission stars for GBO(2/7) Present status: 2 pilot programs submitted: (for flux calibration) at La Palma (DOLORES, TNG) PI: C.Cacciari Dates: May or June 2007 at Calar Alto (CAFOS, 2.2-m) PI. C.Jordi Dates: May 2007 1 other submission foreseen in spring 2007 GHOST #2: Marseille: Nov 13-14, 2006 – Yves Frémat

  3. Choice of hot and emission stars for GBO(3/7) What is foreseen: Agreement between ESO and ESA for guaranteed observing time Refer to the minutes of the 1st GBOG meeting: http://www.obs.u-bordeaux1.fr/m2a/soubiran/GBOG.html GAIA-C8-MN-L3AB-CS-002 GHOST #2: Marseille: Nov 13-14, 2006 – Yves Frémat

  4. Choice of hot and emission stars for GBO(4/7) Target lists preparation: (GAIA-C8-MN-L3AB-CS-002) FGK-type stars: C.Soubiran A & M stars: A.Lanzafame Ultra cool dwarf stars: D.Barrado Anomalous abundance stars: V.Straizys Hot and emission line stars: GHOST ! GHOST #2: Marseille: Nov 13-14, 2006 – Yves Frémat

  5. Choice of hot and emission stars for GBO(5/7) Target lists – basic rules: 1. First version: no restriction on the number and hemisphere 2. H-R and L-R observations: same list 3. V = 10 – 14 4. Favor stars with already existing H-R data. 5. Favor “non-variable” and “non-peculiar” stars. Other rules or suggestions ? Participants ? R. Blomme, J.-C. Bouret, Y. Frémat, F. Martins, Liege additions ? GHOST #2: Marseille: Nov 13-14, 2006 – Yves Frémat

  6. Choice of hot and emission stars for GBO(6/7) More difficult: observations will mainly help to develop the algorithms and to test the models. … pattern recognition algorithms ? Target lists – what basic rules ? 1. First version: no restriction on the number and hemisphere 2. H-R and L-R observations: same list ????? 3. V = 10 – 14 ????????? 4. Favor stars with already existing H-R data. 5. Favor “non-variable” and “non-peculiar” stars ???? GHOST #2: Marseille: Nov 13-14, 2006 – Yves Frémat

  7. Choice of hot and emission stars for GBO(7/7) Participants ? (GAIA-C8-TN-OPM-CM-001-1) Meudon Catala ? Hutsemakers (liege), Fabrice ?, de koter Acker ?, ROB ? Liège Lanzafame ? GHOST #2: Marseille: Nov 13-14, 2006 – Yves Frémat

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