grb absorption spectroscopy - Inaf
grb absorption spectroscopy - Inaf
grb absorption spectroscopy - Inaf
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High ionization lines such as<br />
NV could be produced by<br />
the GRB UV flux<br />
SIV is far from the explosion<br />
site in GRB050730<br />
Fox et al. 2008<br />
HIGH IONIZATION LINES<br />
(Prochaska et al. 2008)<br />
If this is the case, the NV<br />
should be close to the GRB<br />
(10pc)<br />
d (SIV) > 130 pc<br />
Multi-epoch spectra of a z>2 GRB is needed to search for NV variability<br />
Variation not observed in GRB080310 (De Cia et al. 2012)