MINDS: The DR Tau disk - II. Probing the hot and cold H2O reservoirs in the JWST-MIRI spectrum

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Volume 689 (September 2024)

A&A, 689 (2024) A330

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Table 3

Slab models parameters of the various detected (CO₂, HCN, C₂H₂; Temmink et al. 2024) and non-detected species, using R_em=1 au.

Mol.	Region (μm)	T (K)	log₁₀ (N)^(α)	$N$ $\[\mathcal{N}\]$
¹²CO₂^(β)	13.60–16.30	$325_{- 100}^{+ 50}$ $\[325_{-100}^{+50}\]$	${17.4}_{- 0.2}^{+ 0.7}$ $\[17.4_{-0.2}^{+0.7}\]$	4.96 × 10⁴³
HCN^β	13.60–16.30	$900_{- 50}^{+ 50}$ $\[900_{-50}^{+50}\]$	${14.7}_{- 0.6}^{+ 2.1}$ $\[14.7_{-0.6}^{+2.1}\]$	8.22 × 10⁴²
C₂H₂^(β)	13.60–16.30	$775_{- 625}^{+ 150}$ $\[775_{-625}^{+150}\]$	${15.0}_{- 1.7}^{+ 5.6}$ $\[15.0_{-1.7}^{+5.6}\]$	1.48 × 10⁴²

¹³CO₂	15.30–15.50	300	15.57	≤2.6 × 10⁴²
CH₄	7.60–7.75	700	15.75	≤4.0 × 10⁴²
NH₃	8.50–9.50	500	15.50	≤2.2 × 10⁴²
CS	7.50–8.30	500	15.50	≤2.2 × 10⁴²
H₂S	7.00–8.00	500	18.00	≤7.0 × 10⁴⁴
SO₂	7.10–7.62	500	15.50	≤2.2 × 10⁴²

¹³CCH₂	13.60–13.85	750	15.00	≤7.0 × 10⁴¹
C₂H₄	10.50–10.60	700	16.00	≤7.0 × 10⁴²
C₂H₆	12.00–12.34	700	17.00	≤7.0 × 10⁴³
C₄H₂	15.80–16.00	700	15.50	≤2.2 × 10⁴²
C₆H₆	14.70–15.00	700	11.25	≤1.3 × 10³⁸

Notes. ^(α) N is given in units of cm⁻². ^(β): The listed values for CO₂, HCN, and C₂H₂ are taken from Temmink et al. (2024) and are shown here for completion.

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