Table 3.
X-ray spectral parameters from XMM-Newton, NuSTAR, and AstroSat-SXT observations using a log-parabola model during the deep exposures with MAGIC.
| Epoch/date | Instruments | Flux | α | β | χ2/d.o.f. | νsynch, p |
|---|---|---|---|---|---|---|
| [10−11 erg cm−2 s−1] | [keV] | |||||
| Deep exposure 1 | ||||||
| July 23, 2020 | XMM-Newton | 1.06 ± 0.01 | 1.94 ± 0.01 | 0.26 ± 0.02 | 476.7/449 | 1.32 ± 0.04 |
| XMM-Newton + NuSTAR | 1.05 ± 0.01 | 1.94 ± 0.01 | 0.25 ± 0.02 | 794.6/782 | 1.33 ± 0.04 | |
| Deep exposure 2 | ||||||
| August 6, 2021 | XMM-Newton | 0.75 ± 0.01 | 2.07 ± 0.01 | 0.41 ± 0.02 | 518.4/429 | 0.82 ± 0.03 |
| AstroSat-SXT | 0.93 ± 0.02 | 2.01 ± 0.14 | 0.51 ± 0.27 | 108/113 | 0.97 ± 0.12 | |
Notes. In the case of XMM-Newton and XMM-Newton + NuSTAR fits, the fluxes are given in the 2−10 keV band. The AstroSat-SXT flux is computed in the 0.7−7 keV band. The normalisation energy is 1 keV and the Galactic column density of hydrogen is fixed to NH = 1.41 × 1021 cm−2.
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.