grb absorption spectroscopy - Inaf

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OUTLINE • What can we learn from GRB <strong>absorption</strong> <strong>spectroscopy</strong> • The need for high resolution spectra • Absorption features in high resolution • X-shooter’s results: GRB090926A and GRB120327A • Conclusions and perspectives
Suitable to: GRB ABSORPTION SPECTROSCOPY • Find redshifts and build the GRB luminosity function • Estimate the metal content in high redshift galaxies • Characterize the circumburst environment • Explore the interaction between the GRB and the surrounding medium • Study the intervening absorbers along GRB sightlines
Page 1: Absorption studies of GRB afterglow
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 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
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grb absorption spectroscopy - Inaf

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