... GRB 020813

Based on observations partly made with ESO telescopes at the Paranal Observatories under programme Id 69.D-0461 and with the Italian TNG telescope under programme TAC 8_01(47).

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... data

ftp://ftp.ociw.edu/pub/gladders/GRB/GRB020813

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... GAIA

http://star-www.dur.ac.uk/~pdraper/gaia/gaia.html

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... online

http://www.merate.mi.astro.it/~malesani/GRB/020813

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... density

http://heasarc.gsfc.nasa.gov/docs/corp/tools.html

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... energy

We adopt a standard cosmology: h₀ = 0.65, $\Omega_{\rm m} = 0.3$, $\Omega_\Lambda = 0.7$.

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