Identification of molecular line emission using convolutional neural networks

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Volume 704 (December 2025)

A&A, 704 (2025) A324

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Table 3

Detection probabilities obtained with MC dropout for millimeter data.

Molecule	Sgr B2(N)		Sgr B2(M)		G34.26+0.15		CygX-N63

	P_det (%)	Detection	P_det (%)	Detection	P_det (%)	Detection	P_det (%)	Detection
a-(CH₂OH)₂	${3.6}_{- 1.3}^{+ 1.7}$ $3.6_{ - 1.3}^{ + 1.7}$	D	${0.2}_{- 0.1}^{+ 0.3}$ $0.2_{ - 0.1}^{ + 0.3}$	N	${3.4}_{- 1.6}^{+ 1.9}$ $3.4_{ - 1.6}^{ + 1.9}$	N	${0.2}_{- 0.1}^{+ 0.3}$ $0.2_{ - 0.1}^{ + 0.3}$	N
C₂H₃CN	${96.1}_{- 1.6}^{+ 1.6}$ $96.1_{ - 1.6}^{ + 1.6}$	D	${8.5}_{- 2.9}^{+ 6.3}$ $8.5_{ - 2.9}^{ + 6.3}$	D	${22.0}_{- 5.7}^{+ 9.5}$ $22.0_{ - 5.7}^{ + 9.5}$	T^‡	${0.3}_{- 0.1}^{+ 0.1}$ $0.3_{ - 0.1}^{ + 0.1}$	D
C₂H₅CN	${98.8}_{- 0.2}^{+ 0.4}$ $98.8_{ - 0.2}^{ + 0.4}$	D	${27.9}_{- 9.6}^{+ 8.0}$ $27.9_{ - 9.6}^{ + 8.0}$	D	${84.3}_{- 11.4}^{+ 5.3}$ $84.3_{ - 11.4}^{ + 5.3}$	D	${3.0}_{- 0.9}^{+ 2.1}$ $3.0_{ - 0.9}^{ + 2.1}$	D
C₂H₅OH	${74.2}_{- 11.2}^{+ 6.9}$ $74.2_{ - 11.2}^{ + 6.9}$	D	${0.5}_{- 0.1}^{+ 0.5}$ $0.5_{ - 0.1}^{ + 0.5}$	D	${13.0}_{- 5.0}^{+ 5.1}$ $13.0_{ - 5.0}^{ + 5.1}$	D	${3.7}_{- 1.1}^{+ 3.0}$ $3.7_{ - 1.1}^{ + 3.0}$	D
C₃H₇CN	${8.1}_{- 2.5}^{+ 3.4}$ $8.1_{ - 2.5}^{ + 3.4}$	D^†	${1.0}_{- 0.4}^{+ 0.4}$ $1.0_{ - 0.4}^{ + 0.4}$	N	${0.1}_{- 0.1}^{+ 0.1}$ $0.1_{ - 0.1}^{ + 0.1}$	N	${0.9}_{- 0.4}^{+ 0.5}$ $0.9_{ - 0.4}^{ + 0.5}$	N
CH₃CCH	${96.3}_{- 2.4}^{+ 1.2}$ $96.3_{ - 2.4}^{ + 1.2}$	D	${83.7}_{- 9.1}^{+ 7.9}$ $83.7_{ - 9.1}^{ + 7.9}$	D	${95.7}_{- 2.1}^{+ 1.4}$ $95.7_{ - 2.1}^{ + 1.4}$	D	${97.1}_{- 1.2}^{+ 1.4}$ $97.1_{ - 1.2}^{ + 1.4}$	D
CH₃CHO	${38.7}_{- 9.2}^{+ 12.9}$ $38.7_{ - 9.2}^{ + 12.9}$	D	${37.9}_{- 8.5}^{+ 10.3}$ $37.9_{ - 8.5}^{ + 10.3}$	D	${21.6}_{- 9.1}^{+ 8.5}$ $21.6_{ - 9.1}^{ + 8.5}$	D	${89.4}_{- 8.3}^{+ 4.1}$ $89.4_{ - 8.3}^{ + 4.1}$	D
CH₃CN	${98.6}_{- 1.9}^{+ 0.7}$ $98.6_{ - 1.9}^{ + 0.7}$	D	${84.2}_{- 4.2}^{+ 3.7}$ $84.2_{ - 4.2}^{ + 3.7}$	D	${99.9}_{- 0.1}^{+ 0.1}$ $99.9_{ - 0.1}^{ + 0.1}$	D	${96.9}_{- 2.2}^{+ 0.9}$ $96.9_{ - 2.2}^{ + 0.9}$	D
CH₃COCH₃	${32.3}_{- 9.4}^{+ 12.3}$ $32.3_{ - 9.4}^{ + 12.3}$	D	${2.0}_{- 0.6}^{+ 0.3}$ $2.0_{ - 0.6}^{ + 0.3}$	D	${50.0}_{- 12.5}^{+ 15.7}$ $50.0_{ - 12.5}^{ + 15.7}$	T^‡	${6.5}_{- 1.8}^{+ 4.6}$ $6.5_{ - 1.8}^{ + 4.6}$	D
CH₃NH₂	${2.2}_{- 0.2}^{+ 0.5}$ $2.2_{ - 0.2}^{ + 0.5}$	D	${4.3}_{- 1.7}^{+ 1.7}$ $4.3_{ - 1.7}^{ + 1.7}$	D	${2.4}_{- 0.4}^{+ 0.6}$ $2.4_{ - 0.4}^{ + 0.6}$	T	${4.3}_{- 1.6}^{+ 2.0}$ $4.3_{ - 1.6}^{ + 2.0}$	N
CH₃OCH₃	${65.8}_{- 8.8}^{+ 7.5}$ $65.8_{ - 8.8}^{ + 7.5}$	D	${0.3}_{- 0.1}^{+ 0.2}$ $0.3_{ - 0.1}^{ + 0.2}$	D	${84.4}_{- 4.4}^{+ 6.2}$ $84.4_{ - 4.4}^{ + 6.2}$	D	${57.7}_{- 16.0}^{+ 10.9}$ $57.7_{ - 16.0}^{ + 10.9}$	D
CH₃OCHO	${90.0}_{- 2.8}^{+ 3.8}$ $90.0_{ - 2.8}^{ + 3.8}$	D	${42.9}_{- 14.3}^{+ 11.7}$ $42.9_{ - 14.3}^{ + 11.7}$	D	${98.3}_{- 1.6}^{+ 0.5}$ $98.3_{ - 1.6}^{ + 0.5}$	D	${29.8}_{- 13.6}^{+ 11.9}$ $29.8_{ - 13.6}^{ + 11.9}$	D
CH₃OH	${99.8}_{- 0.1}^{+ 0.1}$ $99.8_{ - 0.1}^{ + 0.1}$	D	${98.2}_{- 0.6}^{+ 1.0}$ $98.2_{ - 0.6}^{ + 1.0}$	D	${99.3}_{- 0.6}^{+ 0.2}$ $99.3_{ - 0.6}^{ + 0.2}$	D	${99.8}_{- 0.1}^{+ 0.1}$ $99.8_{ - 0.1}^{ + 0.1}$	D
CH₂NH	${19.9}_{- 2.9}^{+ 4.3}$ $19.9_{ - 2.9}^{ + 4.3}$	D	${5.2}_{- 1.1}^{+ 2.5}$ $5.2_{ - 1.1}^{ + 2.5}$	D	${2.7}_{- 0.7}^{+ 0.7}$ $2.7_{ - 0.7}^{ + 0.7}$	D	${0.4}_{- 0.1}^{+ 0.1}$ $0.4_{ - 0.1}^{ + 0.1}$	N
g-(CH₂OH)₂	${21.7}_{- 7.1}^{+ 12.0}$ $21.7_{ - 7.1}^{ + 12.0}$	N	${0.3}_{- 0.1}^{+ 0.1}$ $0.3_{ - 0.1}^{ + 0.1}$	N	${0.3}_{- 0.1}^{+ 0.4}$ $0.3_{ - 0.1}^{ + 0.4}$	N	${2.8}_{- 1.8}^{+ 2.2}$ $2.8_{ - 1.8}^{ + 2.2}$	N
HC₃N	${99.3}_{- 0.2}^{+ 0.1}$ $99.3_{ - 0.2}^{ + 0.1}$	D	${99.6}_{- 0.1}^{+ 0.1}$ $99.6_{ - 0.1}^{ + 0.1}$	D	${99.3}_{- 0.2}^{+ 0.2}$ $99.3_{ - 0.2}^{ + 0.2}$	D	${99.1}_{- 0.1}^{+ 0.2}$ $99.1_{ - 0.1}^{ + 0.2}$	D
HC(O)NH₂	${79.6}_{- 8.1}^{+ 6.5}$ $79.6_{ - 8.1}^{ + 6.5}$	D	${43.4}_{- 11.2}^{+ 13.5}$ $43.4_{ - 11.2}^{ + 13.5}$	D	${90.3}_{- 7.6}^{+ 2.3}$ $90.3_{ - 7.6}^{ + 2.3}$	D	${56.1}_{- 9.9}^{+ 11.4}$ $56.1_{ - 9.9}^{ + 11.4}$	D
t-HCOOH	${42.8}_{- 11.4}^{+ 9.7}$ $42.8_{ - 11.4}^{ + 9.7}$	D	${2.6}_{- 0.4}^{+ 0.9}$ $2.6_{ - 0.4}^{ + 0.9}$	N	${13.7}_{- 5.2}^{+ 3.2}$ $13.7_{ - 5.2}^{ + 3.2}$	D	${18.5}_{- 3.3}^{+ 8.9}$ $18.5_{ - 3.3}^{ + 8.9}$	D
H₂CS	${98.8}_{- 1.0}^{+ 0.4}$ $98.8_{ - 1.0}^{ + 0.4}$	D	${41.0}_{- 11.2}^{+ 5.6}$ $41.0_{ - 11.2}^{ + 5.6}$	D	${98.9}_{- 0.8}^{+ 0.3}$ $98.9_{ - 0.8}^{ + 0.3}$	D	${99.3}_{- 0.3}^{+ 0.1}$ $99.3_{ - 0.3}^{ + 0.1}$	D
NH₂CN	${86.0}_{- 3.5}^{+ 6.6}$ $86.0_{ - 3.5}^{ + 6.6}$	D	${45.1}_{- 10.0}^{+ 7.4}$ $45.1_{ - 10.0}^{ + 7.4}$	D	${1.4}_{- 0.2}^{+ 1.2}$ $1.4_{ - 0.2}^{ + 1.2}$	N	${0.7}_{- 0.3}^{+ 0.4}$ $0.7_{ - 0.3}^{ + 0.4}$	N

Notes. The detection status for each species corresponds to detection (D), non-detection (N), or tentative detection (T) in the corresponding spectrum.^† Only the normal form was detected in this spectrum.^‡ Although at higher frequencies Widicus Weaver et al. (2017) detects emission from this species.

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