Free Access
Table 4.
Best-fit parameters of the EPIC spectra A and B, assuming the PL+BB+APEC description of the spectral continuum and the metal abundance of the APEC component fixed at the estimated metallicity for the SMC (Z = 0.2 Z⊙).
Parameter | Spectrum A | Spectrum B |
---|---|---|
![]() |
1.3 ± 0.2 | ![]() |
Γ | ![]() |
0.72 ± 0.03 |
FluxPLa | 10.7 ± 0.1 | 4.86 ± 0.07 |
kTBB (eV) | ![]() |
165 ± 14 |
RBB (km) | ![]() |
![]() |
FluxBBb | 1.8 ± 0.5 | ![]() |
kTAPEC (keV) | 1.0 ± 0.1 | ![]() |
NAPEC (×10−3 cm−5) | ![]() |
![]() |
FluxAPECb | ![]() |
![]() |
Emission lines | ||
Eline1 (keV) | 1.40 ± 0.03 | 1.37 ± 0.04 |
σline1 (keV) | 0 (fixed) | 0 (fixed) |
Fluxline1c | ![]() |
![]() |
EWline1 (eV) | ![]() |
5 ± 5 |
Eline2 (keV) | ![]() |
6.3 (fixed) |
σline2 (keV) | 0 (fixed) | 0 (fixed) |
Fluxline2c | ![]() |
![]() |
EWline2 (eV) | ![]() |
29 ± 15 |
FluxBB/FluxTOT (0.01–12 keV) | 1.7% | 6.8% |
FluxAPEC/FluxTOT (0.01–12 keV) | 1.5% | 2.2% |
Unabsorbed fluxd | 1.10 ± 0.01 | 0.53 ± 0.01 |
Luminositye | 4.78 ± 0.05 | 2.30 ± 0.04 |
![]() |
1.03/883 | 1.14/469 |
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.