Free Access

Table 8

Log N–log S best-fit parameters (see Eq. (7)).

Banda α1b α2c S0d/10-15 Ke
keV  erg cm-2 s-1 deg-2

0.5–2 1.76 0.51 6.4 154.9
2–10 1.93 0.5 7.5 534.6

Notes. 

(a)

energy band;

(b)

power law slope for flux  ≥ S0;

(c)

power law slope for flux  < S0;

(d)

flux break;

(e)

normalization factor.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.