A major asymmetric ice trap in a planet-forming disk - I. Formaldehyde and methanol

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Volume 651 (July 2021)

A&A, 651 (2021) L5

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Table 1.

Detected molecular lines, line properties, and disk-integrated fluxes.

Molecule	Transition	Rest frequency	E_u	g_u	log A_ul	F_int
		(GHz)	(K)			(mJy km s⁻¹)
o-H₂CO	5_1, 5–4_1, 4	351.768648	62	33	−2.92013	836
o-H₂CO	5_3, 3–4_3, 2	364.275141	158	33	−3.05097	391
o-H₂CO	5_3, 2–4_3, 1	364.288914	158	33	−3.05065	574
p-H₂CO	5_0, 5–4_0, 4	362.736024	52	11	−2.86264	577
p-H₂CO	5_2, 4–4_2, 3	363.945876	100	11	−2.93377	377
p-H₂CO	5_4, 2–4_4, 1/5_4, 1–4_4, 0^(a)	364.103257	241	11	−3.30139	99

a-CH₃OH	14_1, 13–14_0, 14	349.106997	260	116	−3.35603	198
a-CH₃OH	1_1, 1–0_0, 0	350.905100	17	12	−3.47949	89
e-CH₃OH	4_0, 4–3_−1, 3	350.687651	36	36	−4.06195	215
e-CH₃OH	7_−2, 6–6_−1, 5	363.739868	87	60	−3.76767	141
e-CH₃OH	8_1, 7–7_2, 5	361.852195	105	68	−4.11248	125
e-CH₃OH	11_0, 11–10_1, 9	360.848946	166	92	−3.91831	155

Notes.

^(a)

Lines are blended.

Rest frequencies and other properties are taken from Cologne Database for Molecular Spectroscopy (CDMS): E_u is the upper energy level, g_u the degeneracy, and A_ul the Einstein A coefficient.

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