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Fig. 4


Luminosity Lγ = 4πhd2 above 0.1 GeV as a function of the spin-down power (Ė) for the sample of MSPs considered in this work (red triangles), and other MSPs with Shklovskii-corrected Ė values (blue diamonds). Vertical error bars in gray represent the uncertainties due to the distance, while colored error bars represent the uncertainties on the γ-ray energy flux, h. The dashed line represents Lγ = Ė, and the dash-dotted line indicates the heuristic luminosity . Empty symbols represent pulsars with distance values estimated via the dispersion measure and the NE2001 model of Cordes & Lazio (2002), filled symbols are pulsars whose distances were determined with other methods, such as the measurement of the timing parallax.

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