Ignore:
Timestamp:
01/31/05 20:15:56 (20 years ago)
Author:
garcz
Message:
*** empty log message ***
Location:
trunk/MagicSoft/GRB-Proposal
Files:
2 edited

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  • trunk/MagicSoft/GRB-Proposal/GRB_proposal_2005.tex

    r6160 r6161  
    166166
    167167\bibitem{KNEISKE} Kneiske T.M., Bretz T., Mannheim K., Hartmann D.H., A\&A 413, 807, 2004.
     168\bibitem{GRB030329} Spectra of the burst: http://space.mit.edu/HETE/Bursts/GRB030329/
    168169
    169170%Not used references
  • trunk/MagicSoft/GRB-Proposal/Strategies.tex

    r6160 r6161  
    7070We determine the maximum zenith angle for GRB observations by requiring that the overwhelming majority of possible GRBs will have an in principle observable spectrum. Figure~\ref{fig:grh}
    7171shows the gamma-ray horizon (GRH) as computed in~\cite{KNEISKE}. The GRH is defined as the
    72 gamma-ray energy at which a part of $1/e$ of a hypothiszed mono-energetic flux gets absorbed after
     72gamma-ray energy at which a part of $1/e$ of a hypothesied mono-energetic flux gets absorbed after
    7373travelling a distance of $d$, expressed in redshift $z$ from the earth. One can see that at typical
    74 GRB distances of $z=1$, all gamma-rays above 100\,GeV get absorbed before they reach the earth.
     74GRB distances of $z=1$, all gamma-rays above 100\,GeV get absorbed before they reach the earth.
     75
    7576\par
    76 Even the closest GRB with known redshift ever observed, GRB030329~\cite{GRB030329}, lies at a redshift
     77
     78Even the closest GRB with known redshift ever observed, GRB030329~\cite{GRB030329}, lies at a redshift
    7779of $z=0.1685$. In this case, gamma-rays above 200\,GeV get entirely absorbed.
    7880
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