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Nature Of The Gas And Dust Around 51 Oph, W F. Thi, F Menard, G Meeus, A Carmona, P Riviere-Marichalar, J C. Augereau, I Kamp, P Woitke, C Pinte, I Mendigutia, C Eiroa, B Montesinos, Sean D. Brittain, W Dent
Nature Of The Gas And Dust Around 51 Oph, W F. Thi, F Menard, G Meeus, A Carmona, P Riviere-Marichalar, J C. Augereau, I Kamp, P Woitke, C Pinte, I Mendigutia, C Eiroa, B Montesinos, Sean D. Brittain, W Dent
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Circumstellar disc evolution is paramount for the understanding of planet formation. The GASPS program aims at determining the circumstellar gas and solid mass around ~250 pre-main-sequence Herbig Ae and TTauri stars. We aim to understand the origin and nature of the circumstellar matter orbiting 51 Oph, a young (Myr) luminous B9.5 star. We obtained continuum and line observations with the PACS instrument on board the Herschel Space Observatory and continuum data at 1.2 mm with the IRAM 30m telescope. The SED and line fluxes were modelled using the physico-chemo radiative transfer code ProDiMo. We detected a strong emission by OI …