Auxiliary information

First detection of a VHE gamma-ray spectral maximum from a Cosmic source: H.E.S.S. discovery of the Vela X nebula.

F.A. Aharonian et al. (H.E.S.S. Collaboration), A&A 448 (L43) 2005, astro-ph/0601575

Fits file for Fig. 1

H.E.S.S. data points for Figure 3

Mean energy     Flux      Flux Error
  [TeV]    [/TeV cm^2 s] [/TeV cm^2 s]
   0.727   1.86e-11       3.93e-12
   1.06    8.09e-12       1.44e-12
   1.56    4.5e-12        5.74e-13
   2.28    2.9e-12        2.6e-13
   3.34    1.31e-12       1.31e-13
   4.9     6.97e-13       6.92e-14
   7.18    3.34e-13       3.56e-14
   10.5    1.78e-13       1.89e-14
   15.4    7.49e-14       8.97e-15
   22.4    2.17e-14       4.26e-15
   32.9    4.12e-15       1.64e-15
   48.1    3.03e-15       1.12e-15

Remarks: Statistical errors only. Systematic error on energy scale estimated to 20%. See paper for details