...

Supported by CAPES Foundation, Ministry of Education of Brazil.

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... 13;

UMR 7164 (CNRS, Université Paris VII, CEA, Observatoire de Paris)

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... flux

High spin-down flux ( $\dot E/D^2$) pulsars are thought to be likely VHE emission candidates if the conversion efficiency from spin-down power to VHE emission is around 1% (e.g. Carrigan et al. 2007).

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