Resolved molecular line observations reveal an inherited molecular layer in the young disk around TMC1A

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Table A.1

Undetected molecular lines in our spectral windows.

Molecular line transition	Frequency	E_up	log₁₀A_ul	Beam ^(a)	Noise
	(GHz)	(K)	(s⁻¹)	(″ ×″, °)	(mJy bm⁻¹)
SiO J = 5 − 4	217.10450	31.26	− 3.28	0.13 × 0.10, 32	1.6
¹³CN N_J = 2_3∕2 − 1_1∕2, F₁, F = 1, 1 − 0, 1	217.27768	10.88	− 4.24	0.08 × 0.07, 78	~5
¹³CS J = 5 − 4	231.22069	33.29	− 3.60	0.12 × 0.10, 32	1
SO N_J = 3₄ − 4₃	267.19774	19.93	− 6.15	0.13 × 0.10, 3	1.3

Notes. Synthesized beams and noise levels per velocity channel (0.3 km s⁻¹) are shown. ^(a) Elliptical synthesized beam parametrized by: FWHM long axis × FWHM short axis, position angle of the long axis.

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