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Table 4

Emission lines detected in our spectra and respective vacuum wavelengths.

Line Wavelength Instrument Observed flux Dereddened flux (AV = 1.8) Likely origin
(μm) (10-14 erg s-1 cm-2) (10-14 erg s-1 cm-2)

Hβ 0.486 TNG 17.9 ± 0.3 125.5 Accretion
Fe ii 0.492 TNG 0.73 ± 0.03 4.9 Accretion
Fe ii 0.502 TNG 0.83 ± 0.03 5.6 Accretion
Fe ii 0.517 TNG 1.65 ± 0.07 7.1 Accretion
He i 0.588 TNG 2.63 ± 0.31 12.1 Accretion
NaD 0.589 TNG 0.62 ± 0.03 4.8 Accretion
NaD 0.590 TNG 0.34 ± 0.03 2.7 Accretion
[O i] 0.630 TNG 0.68 ± 0.21 2.6 Disk/Outflow
Hα 0.654 TNG 169.4 ± 0.6 679.8 Accretion
He i 0.668 TNG 1.69 ± 0.05 6.9 Accretion
Paβ 1.282 WHT 30.5 ± 0.7 46.0 Accretion
Brγ 2.166 NOT 12.5 ± 0.8 14.6 Accretion
Pfβ 4.654 Keck 4.45 ± 0.21 Accretion
CO 10 P1 4.674 Keck 0.30 ± 0.11 Disk
CO 10 P2 4.683 Keck Disk
CO 10 P3 4.691 Keck Disk
CO 10 P4 4.699 Keck Disk
CO 10 P5 4.709 Keck Disk
CO 10 P6 4.718 Keck Disk
CO 10 P7 4.727 Keck Disk
CO 10 P8 4.736 Keck Disk
CO 21 P2 4.741 Keck 0.26 ± 0.13 Disk
CO 10 P9 4.745 Keck Disk
CO 10 P10 4.756 Keck 1.58 ± 0.12 Disk
CO 21 P4 4.759 Keck 0.28 ± 0.10 Disk
CO 10 P11 4.764 Keck 0.66 ± 0.13 Disk
CO 21 P5 4.768 Keck 0.49 ± 0.07 Disk
CO 10 P12 4.774 Keck Disk
CO 10 P30 4.967 Keck 1.01 ± 0.19 Disk
CO 21 R25 4.971 Keck 0.41 ± 0.14 Disk
CO 10 P31 4.979 Keck 1.01 ± 0.26 Disk
CO 10 P32 4.991 Keck 0.91 ± 0.21 Disk
CO 21 R27 4.995 Keck 0.25 ± 0.10 Disk
CO 10 P36 5.041 Keck 0.83 ± 0.08 Disk
CO 21 P30 5.043 Keck 0.20 ± 0.07 Disk
CO 10 P37 5.053 Keck 0.61 ± 0.13 Disk
CO 10 P38 5.066 Keck 0.71 ± 0.14 Disk
CO 10 P39 5.079 Keck 0.88 ± 0.18 Disk
CO 10 P40 5.092 Keck 0.86 ± 0.09 Disk
[O i] 63.185 Herschel 1.6 ± 0.5 Disk/Outflow
o − H2O 71.947 Herschel < 1.41
CH+ 5 − 4 72.140 Herschel < 1.37
CO 36 − 35 72.843 Herschel < 0.97
p − H2O 144.518 Herschel < 0.32
CO 18 − 17 144.784 Herschel < 0.33
[O i] 145.525 Herschel < 0.31

Notes. When the line presents instrumental gaps, lower and higher estimates due to the missing region are included in the error. Dereddened fluxes are omitted when the correction for the extinction is negligible.

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