Open Access
Table 4.
Spectral parameters of the Crab spectrum, derived from different energy bands.
| Energy range | A0 | α | Em (keV) |
|---|---|---|---|
| 50–100 keV | 1.367(1) × 10−3 | −2.073(3) | 75 |
| 1790–1840 keV | 3.2(5) × 10−6 |  |
1815 |
| Full range |  |
−2.073(3) | 1 |
Notes. We normalise the spectra with A0 in units of ph cm−2 s−1 keV−1 at different energies Em to avoid numerical problems.
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.