Table 2.
Spectral fits parameters for the NuSTAR observations of 1ES 0229+200.
| NuSTAR observation | Model | Normalization | γ or α or Γ1 | β or Γ2 | Ebr | χ2(d.o.f.) |
|---|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | (6) | (7) |
| nu21_02 | PL | 4.0 ± 0.2 | 2.32 ± 0.02 | – | – | 138(149) |
| LP | 2.2 ± 0.4 | 1.7 ± 0.2 | 0.4 ± 0.1 | – | 135(148) | |
| BKNPL | 4.0 ± 0.2 | 2.32 ± 0.02 | 1.51 ± 0.02 | 26 ± 2 | 135(148) | |
| nu21_04 | PL | 4.4 ± 0.3 | 2.40 ± 0.03 | – | – | 115(93) |
| LP | 1.6 ± 0.4 | 1.3 ± 0.3 | 0.6 ± 0.1 | – | 100(92) | |
| BKNPL | 4.4 ± 0.3 | 2.41 ± 0.03 | 1.25 ± 0.02 | 26 ± 2 | 98(92) | |
| nu21_06 | PL | 5.3 ± 0.3 | 2.37 ± 0.03 | – | – | 100(101) |
| LP | 2.9 ± 0.6 | 1.7 ± 0.2 | 1.7 ± 0.2 | – | 96(100) | |
| BKNPL | 5.3 ± 0.3 | 2.37 ± 0.03 | 1.61 ± 0.03 | 25 ± 2 | 98(100) | |
| nu13_02 | PL | 7.9 ± 0.5 | 2.02 ± 0.03 | – | – | 117(142) |
| LP | 5.1 ± 1.1 | 1.6 ± 0.2 | 0.2 ± 0.1 | – | 111(141) | |
| nu13_04 | PL | 8.8 ± 0.4 | 2.03 ± 0.02 | – | – | 228(193) |
| LP | 5.7 ± 0.9 | 1.6 ± 0.2 | 0.2 ± 0.1 | – | 219( 192) | |
| nu13_06 | PL | 7.7 ± 0.4 | 1.95 ± 0.02 | – | – | 174( 183) |
| LP | 6.0 ± 1.0 | 1.7 ± 0.2 | 0.1 ± 0.1 | – | 171(182) | |
Notes. The following columns present (1) observation ID; (2) fitted model PL (single power-law), LP (logparabola), or BKNPL (broken power-law); (3) normalisation in 10−3 erg cm−2 s−1; (4) spectral parameter γ, α, or Γ1; (5) curvature parameter in the case of log-parabola model or second spectral index in the case of broken power-law model; (6) break energy of the broken power-law model; (7) χ2 and number of degrees of freedom for a model used.
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.