Open Access
Table 3.
Parameters and results of the XSPEC fitting.
Source | NH | C-statistics fit goodness | Degrees of freedom | Photon index | Normalisation factor |
---|---|---|---|---|---|
BB1 | 3.20 | 553 | 511 |
![]() |
1.4 ± 0.7 |
BB8 | 4.51 | 591 | 586 |
![]() |
1.3 ± 0.4 |
Notes. The Galactic NH is given in 1020 cm−2 and the normalisation factor is given in 10−6 photons/keV/cm2/s at 1 keV.
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.