Table 1
Input data for IXPE simulations of the nominal FOV.
Region (a) | Region (b) | dproj (c) | dlos (d) | ![]() |
Pmodel (f) | Pother (g) | Model component fluxes (h) | |
---|---|---|---|---|---|---|---|---|
center | size | Soft plasma: 4.0–8.0 keV | ||||||
Hard plasma: 4.0–8.0 keV | ||||||||
Reflection continuum: 4.0–8.0 keV | ||||||||
(hh:mm:ss.s, | Fe Kα: 4.0–8.0 keV | |||||||
dd:mm:ss.s) | ′ | (pc) | (pc) | (pc) | (%) | (%) | (10−12 erg s−1 cm−2) | |
MC2 | circle: | (radius) 0.82 | –14 | –17 | −29.7–7.3 | 25.8 | ≥10 | 5 ± 4 |
(17:46:00.6, | 3.9 ± 0.8 | |||||||
–28:56:49.2) | 0.2 ± 0.1 | |||||||
1.7 ± 0.7 | ||||||||
Bridge B2 | circle: | (radius) 0.73 | -18 | −60 | –6.9–6.9 | 15.8 | ≥77.3 | 0.3 ± 0.2 |
(17:46:05.5, | 1.9 ± 0.6 | |||||||
–28:55:40.8) | 0.4 ± 0.1 | |||||||
4.3 ± 0.7 | ||||||||
G0.11-0.11 | circle: | (radius) 1.5 | –27 | –17 | –3.1–3.1 | 55.8 | ≥62.5 | 3.2 ± 0.4 |
(17:46:21.6, | 9 ± 1 | |||||||
–28:54:52.1) | 1.0 ± 0.1 | |||||||
10.0 ± 0.9 | ||||||||
Bridge E | circle: | (radius) 0.82 | –25 | –60 | –13.7–13.7 | 12.7 | ≥97.4 | 0.5 ± 0.2 |
(17:46:12.1, | 4.7 ± 0.8 | |||||||
–28:53:20.3) | 1.3 ± 0.1 | |||||||
12.7 ± 0.9 | ||||||||
Field of view | box: | (side) 12.8 | – | – | – | – | – | 18.9 ± 1.4 |
(17:46:02.4, | 71.3 ± 1.4 | |||||||
–28:53:23.98) | – | |||||||
– |
Notes. (a) Region name. The MC are cross identified with the targets listed in Marin et al. (2015). (b) Geometrical dimensions of the region over which each spectral components is simulated, as described in Sect. 2. (c) Projected distance from Sgr A*. Negative values: MC East of the GC. (d)Line-of-sight distance dlos from Marin et al. (2015). Negative values: MC in front of the Galactic plane. (e) Range of other line-of-sight distances dlos from Capelli et al. (2012). Because these ranges of distance include dlos = 0, they prescribe upper limits for the maximum theoretical polarization degree of the clouds. (f) Polarization degree P from Marin et al. (2015). (g) Range of polarization degree correspondent to , obtained from Eqs. (1) and (2). (h)Flux contribution of each spectral component in the given region. Fluxes are taken from the spectral fits of Di Gesu et al. (2020) and Sect. 2.
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