grb absorption spectroscopy - Inaf

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Balance equation: dN t u dt ( ) TIME DEPENDENT MODELING = N ( ) ( ) ( ) ( ) l t Blu F! t $ Nu t " % Aul + BulF t # ! & % ! % " % 2 & t ' & $ ' & d ' ( ) ( ) ( ) * tc + * $ c + * dL + were: F ( t) = C [ 1+ z] hν Absorption # up low hν Spontaneous emission % 1 up up hν low low Stimulated emission
GRB080319B - TIME DEPENDENT MODELING d = 2kpc Component I Component III d = 6kpc Possible extragalactic origin!
Page 1 and 2: Absorption studies of GRB afterglow
Page 3 and 4: Suitable to: GRB ABSORPTION SPECTRO
Page 5 and 6: LOW - RES GRBs GRBs provide an inde
Page 7 and 8: Advantages: Piranomonte et al. 2008
Page 9 and 10: FINE STRUCTURE FEATURES The gross s
Page 11: GRB 060418: VARIABILITY Fine struct
Page 14 and 15: CrII groud state line is decreasing
Page 18 and 19: OVI Lyβ SII NiII NV NiII Lyα OI/S
Page 20 and 21: MAIN SYSTEM METALLICITY Ly_α Missi
Page 26 and 27: CONCLUSIONS GRBs are a new tool to
Page 28 and 29: GRB explosion site Host gas far awa
Page 32 and 33: GRB 050730 The main system presents
Page 34 and 35: GRB 050730 Fine structure transitio
Page 36: GRB 050730 Second component: UV pum
Page 39 and 40: GRB080319B - MAIN SYSTEM: COMPONENT
Page 41 and 42: GRB080319B - MAIN SYSTEM: COMPONENT
Page 43: FINE STRUCTURE LINE VARIABILITY Fin
Page 48 and 49: GRB080330 - MAIN SYSTEM: COMPONENTS
Page 51 and 52: INTERVENING ABSORBERS GRB Strong Mg
Page 53 and 54: FINE STRUCTURE AND EXCITED LINES Id

grb absorption spectroscopy - Inaf

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