Table 4.
Comparison between theoretical estimates and spectral best-fit values of velocity shift and dispersion, for the x1 and x2 pointings in the x projection.
| Theo. estimate |
Gaussian fit |
XSPEC fit |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| μwFe | σwFe | μ1 | σ1 | μ2 | σ2 | μ1 | σ1 | μ2 | σ2 | Exp. | |
| [km s−1] | [km s−1] | [km s−1] | [km s−1] | [km s−1] | [km s−1] | [km s−1] | [km s−1] | [km s−1] | [km s−1] | [Ms] | |
| x1 | −992.3 | 591.2 | −1629.9 | 251.7 | −630.4 | 85.2 | −1693.8 ± 80.4 | 274.7 ± 102.1 | −637.7 ± 42.3 | 171.1 ± 59.0 | 0.1 |
| x2 | 206.2 | 437.4 | 231.0 | 479.4 | – | – | 255.2 ± 139.0 | 425.5 ± 137.5 | – | – | 0.25 |
Notes. For x1 only, the Gaussian fit of the simulation velocity distribution and the XSPEC fit are both performed with two Gaussian components, in order to approximate the 2-component velocity distribution shown in Fig. 13 (upper panels).
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