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Table 1

Lines detected in red novae.

Molecule Quantum Rest frequency Eu Total line flux (Jy km s−1)
numbers (MHz) (K) V4332 Sgr V1309 Sco V838 Mon
29SiO (5–4) 214385.7520 30.87 c c 14.4
SO2 (16,3,13–16,2,14) 214689.3941 147.84 c c 2.6
SO (5,5–4,4) 215220.6530 44.10 c c 6.5
SO2 (22,2,20–22,1,21) 216643.3035 248.45 c c <4.9b
H2S (2,2,0–2,1,1) 216710.4365 83.98 c c <4.9b
SiO (5–4) 217104.9190 31.26 c c 20.6
CO (2–1) 230538.0000 16.60 c 3.3 21.8
29SiO (7–6) 300120.4801 57.62 c c 20.9
H2S (3,3,0–3,2,1) 300505.5600 168.90 c c 5.6
SO (7,7–6,6) 301286.1240 70.96 c c 5.5
SO2 (19,2,18–19,1,19) 301896.6287 182.63 c c 2.5
30SiO (8–7) 338930.0580 73.20 c c 37.5
gap
SO (8,8–7,7) 344310.6120 87.48 2.0 <4.8 c
AlO (9–8) 344451.9400 82.77 3.0 <4.8 c
SO2 (5,5,1–6,4,2) 345148.9708 75.15 <0.3 ≲0.7
SO2 (13,2,12–12,1,11) 345338.5377 92.99 1.5 ≲1.3
CO (3–2) 345795.9899 33.19 27.6 9.6 42.1
AlOH (11–10) 346160.8387 99.70 <0.6?
SO2 (16,4,12–16,3,13) 346523.8784 164.47 ≲3.2b <0.6a
SO (8,9–7,8) 346528.4810 78.78 ≲3.2a <0.6a ≲19.7a
SO2 (19,1,19–18,0,18) 346652.1691 168.14 ≲1.8 <6.0 ≲19.7a
SiO (8–7) 347330.5810 75.02 22.2 6.7 47.3
gap
SO2 (10,4,6–10,3,7) 356755.1899 89.84 0.9 <0.9a c
SO2 (13,4,10–13,3,11) 357165.3904 122.97 ≲1.0a <2.2a c
SO2 (15,4,12–15,3,13) 357241.1932 149.68 ≲1.0a <2.2a c
SO2 (11,4,8–11,3,9) 357387.5795 99.95 0.9 <3.7a c
SO2 (8,4,4–8,3,5) 357581.4486 72.36 ≲1.6a <3.7a c
SO2 (9,4,6–9,3,7) 357671.8206 80.64 ≲1.6a <4.7a c
SO2 (7,4,4–7,3,5) 357892.4422 65.01 ≳0.7b <4.7a,b c
gap
SO2 (5,4,2–5,3,3) 358013.1536 53.07 <1.1a,b <4.2a,b c
SO2 (4,4,0–4,3,1) 358037.8869 48.48 <1.1a <4.2a c
SO2 (20,0,20–19,1,19) 358215.6327 185.33 1.1 <4.2a c
SO2 (25,3,23–25,2,24) 359151.1581 320.93 0.2 0.6 c
SO2 (19,4,16–19,3,17) 359770.6846 214.26 0.2 1.0 c

Notes. Total line fluxes represent the entire emission region. Only very approximate fluxes are given for weak and blending features. (a)Tight blend. (b)Line partially trimmed by the gap. (c)Line was not covered in observations.

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