grb absorption spectroscopy - Inaf

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CONCLUSIONS GRBs are a new tool to study the metal enrichment history of the galaxies, up to z > 5. Medium-to-high resolution, absorption spectroscopy is necessary to resolve the GRB environment in components and to separate it from the ISM, and to fully explore the information carried by the excited transitions. The ISM of the GRB hosts is complex, with many components contributing to the main system absorption. Interesting GRB surrounding medium characteristics, such as different properties of different components, high ionization lines, photoionization/photoexcitation needs medium-to high resolution in order to be properly addressed. Fine structure lines are commonly observed in GRB afterglows and are produced by UV pumping. They can give us constraints on the distance of the absorbing gas from the GRB. The prompt/afterglow emission affects the ISM up to hundreds of pc (GRB080330), or even some kpcs (GRB080319B, GRB090926A). X-shooter is is gathering exciting data on GRBs since more than 3 years.
CONCLUSIONS GRB090809/GRB100425A: Skuladottir et al. " " GRB091018A: Wiersema et al. " " GRB091127A: Vergani et al. " " GRB100219A: Thoene et al. " " GRB100316D: Bufano et al., Flores et al." " GRB100418A: de Ugarte Postigo et al. " " GRB100621A: Watson et al. " " GRB100727A: Vreeswijk et al. " " GRB100814A: Piranomonte et al. " " GRB100816A: Antonelli/Tanvir et al. " " GRB100925A: DʼAvanzo/Kaper et al." ⎬⎬List of X-shooter GRB " " papers in preparation"
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 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 and 44: FINE STRUCTURE LINE VARIABILITY Fin
Page 45: GRB080319B - TIME DEPENDENT MODELIN
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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