Disentangling the dust and gas contributions of the JWST/MIRI spectrum of Sz 28

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Volume 690 (October 2024)

A&A, 690 (2024) A100

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Table 1

Prior distributions of free parameters to fit Sz 28 with the full complexity model.

Parameter	Prior	Parameter	Prior
T_rim (K)	$U$ $\[\mathcal{U}\]$ (800, 1600)	$Σ_{t m i n}^{m o l}$ $\[\Sigma_{\mathrm{tmin}}^{\mathrm{mol}}\]$ ⁽¹⁾ (cm⁻²)	$J$ $\[\mathcal{J}\]$ (10¹⁴, 10²⁴)
$T_{m i n}^{s u r}$ $\[T_{\mathrm{min}}^{\mathrm{sur}}\]$ (K)	$U$ $\[\mathcal{U}\]$ (10, 1000)	$Σ_{tmax}^{mol}$ $\[\Sigma_{\text {tmax }}^{\operatorname{mol}}\]$ ⁽¹⁾ (cm⁻²)	$J$ $\[\mathcal{J}\]$ (10¹⁴, 10²⁴)
$T_{max}^{s u r}$ $\[T_{\max }^{\mathrm{sur}}\]$ (K)	$U$ $\[\mathcal{U}\]$ (50, 1600)	$T_{max}^{mol}$ $\[T_{\max }^{\operatorname{mol}}\]$ ⁽¹⁾ (K)	$U$ $\[\mathcal{U}\]$ (25, 1500)
$T_{m i n}^{m i d}$ $\[T_{\mathrm{min}}^{\mathrm{mid}}\]$ (K)	$U$ $\[\mathcal{U}\]$ (10, 1000)	$T_{m i n}^{m o l}$ $\[T_{\mathrm{min}}^{\mathrm{mol}}\]$ ⁽¹⁾ (K)	$U$ $\[\mathcal{U}\]$ (25, 1500)
$T_{max}^{mid}$ $\[T_{\max }^{\operatorname{mid}}\]$ (K)	$U$ $\[\mathcal{U}\]$ (300, 1600)	$Σ_{t m i n}^{m o l}$ $\[\Sigma_{\mathrm{tmin}}^{\mathrm{mol}}\]$ ⁽²⁾ (cm⁻²)	$J$ $\[\mathcal{J}\]$ (10¹⁴, 10²⁴)
q_mid	$U$ $\[\mathcal{U}\]$ (−1, −0.1)	$Σ_{tmax}^{mol}$ $\[\Sigma_{\text {tmax }}^{\operatorname{mol}}\]$ ⁽²⁾ (cm⁻²)	$J$ $\[\mathcal{J}\]$ (10¹⁴, 10²⁴)
q_sur	$U$ $\[\mathcal{U}\]$ (−1, −0.1)	$T_{max}^{mol}$ $\[T_{\max }^{\operatorname{mol}}\]$ ⁽²⁾ (K)	$U$ $\[\mathcal{U}\]$ (25, 600)
q_emis	$U$ $\[\mathcal{U}\]$ (−1, −0.1)	$T_{min}^{m o l}$ $\[T_{\min }^{\mathrm{mol}}\]$ ⁽²⁾ (K)	$U$ $\[\mathcal{U}\]$ (25, 600)
a_obs	$J$ $\[\mathcal{J}\]$ (10⁻⁵, 10⁻¹)

Notes. $U$ $\[\mathcal{U}\]$ (x, y) and $J$ $\[\mathcal{J}\]$ (x, y) denote uniform and log-uniform priors in the range from x to y, respectively. ⁽¹⁾Same prior used for H₂O, NH₃, C₂H₄, CH₄, C₂H₆, HCN, C₄H₂, C₂H₂, CO₂, HC₃N, CO. ⁽²⁾Same prior used for CH₃, C₃H₄, C₆H₆.

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