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Table 2.
Comparison between direct simulation estimates and spectral best-fit values of velocity shift and dispersion, for the XRISM Resolve mock observations of the seven regions marked in Fig. 1.
| Theoretical estimate |
Gaussian fit |
XRISM mock – XSPEC fit |
|||||
|---|---|---|---|---|---|---|---|
| μwFe | σwFe | μ1 | σ1 | μ1 | σ1 | Exp. | |
| [km s−1] | [km s−1] | [km s−1] | [km s−1] | [km s−1] | [km s−1] | [Ms] | |
| z1 | −1.7 | 410.3 | −7.3 | 485.1 | −21.5 ± 200.3 | 580.3 ± 213.6 | 0.5 |
| z2 | −0.1 | 220.8 | – | – | – | – | 0.5 |
| z3cut | −2.2 | 416.3 | – | – | – | – | 0.5 |
| z4a | 8.3 | 200.4 | 7.8 | 23.7 | 6.4 ± 29.8 | 106.9 ± 46.3 | 0.1 |
| z4b | −85.4 | 182.5 | −62.0 | 153.1 | −77.9 ± 32.0 | 189.7 ± 31.2 | 0.1 |
| z4 | 3.9 | 327.0 | 20.9 | 288.3 | −3.0 ± 62.5 | 380.6 ± 60.1 | 0.1 |
| z5 | 3.8 | 779.7 | – | – | – | – | 0.5 |
Notes. In the last column we report the exposure time of the mock XRISM observation.
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