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Interstellar emission model and tool

Interstellar emission model and tool. Seth Digel, Jay Norris, Eduardo do Couto e Silva, Y. Lin, Massimo Fiorucci, Tune Kamae, Stan Hunter, Olaf Reimer, Mutsumi Sugizaki, Isabelle Grenier. Interstellar emission model. ISRF cube: work in progress in Garching & Bochum/Santa Cruz Gas cube:

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Interstellar emission model and tool

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  1. Interstellar emission model and tool Seth Digel, Jay Norris, Eduardo do Couto e Silva, Y. Lin, Massimo Fiorucci, Tune Kamae, Stan Hunter, Olaf Reimer, Mutsumi Sugizaki, Isabelle Grenier

  2. Interstellar emission model • ISRF cube: • work in progress in Garching & Bochum/Santa Cruz • Gas cube: • HI inversion at GSFC • HII surveys available • H2 inversion… further down • M(CO-g) vs M(IR-g) problems ahead • Radiation processes: • p-p, p-n, p-He, p-C interactions, resonances: DPMJET v3 (Bochum), GEANT4 • Review of cross sections vs. data (SLAC, Italy) • Brem with He etc… • CR propagation: • GALPROP at Garching, prop. model at Bochum • Nearby sources and propagation: Bochum & Saclay • CR/matter coupling at GSFC

  3. IS emission model • Tests • On standard EGRET data • On ‘cleaned up’ EGRET data • ISM Workshop • Next year in Paris • People support ( 12) • Garching, Bochum, Saclay, HEPL, Goddard, Italy?, SLAC

  4. Interstellar emission tool A8 • Input = • IS emission cube + E band + region • + Gmult + Gbias (within limits for choice of E and region) • Output = • space-energy array with differential intensities • Tessellation • IS emission cube probably in inertial Gal. Ref. Frame and (l,b) • gridding scheme to be tested with simulated data • Gridding decision: when? how? • (x,y,z), (l,b), (a,d) to final grid module to be called by many other modules

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