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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 1−0 P1 | 4.674 | Keck | 0.30 ± 0.11 | – | Disk |
CO 1−0 P2 | 4.683 | Keck |
![]() |
– | Disk |
CO 1−0 P3 | 4.691 | Keck |
![]() |
– | Disk |
CO 1−0 P4 | 4.699 | Keck |
![]() |
– | Disk |
CO 1−0 P5 | 4.709 | Keck |
![]() |
– | Disk |
CO 1−0 P6 | 4.718 | Keck |
![]() |
– | Disk |
CO 1−0 P7 | 4.727 | Keck |
![]() |
– | Disk |
CO 1−0 P8 | 4.736 | Keck |
![]() |
– | Disk |
CO 2−1 P2 | 4.741 | Keck | 0.26 ± 0.13 | – | Disk |
CO 1−0 P9 | 4.745 | Keck |
![]() |
– | Disk |
CO 1−0 P10 | 4.756 | Keck | 1.58 ± 0.12 | – | Disk |
CO 2−1 P4 | 4.759 | Keck | 0.28 ± 0.10 | – | Disk |
CO 1−0 P11 | 4.764 | Keck | 0.66 ± 0.13 | – | Disk |
CO 2−1 P5 | 4.768 | Keck | 0.49 ± 0.07 | – | Disk |
CO 1−0 P12 | 4.774 | Keck |
![]() |
– | Disk |
CO 1−0 P30 | 4.967 | Keck | 1.01 ± 0.19 | – | Disk |
CO 2−1 R25 | 4.971 | Keck | 0.41 ± 0.14 | – | Disk |
CO 1−0 P31 | 4.979 | Keck | 1.01 ± 0.26 | – | Disk |
CO 1−0 P32 | 4.991 | Keck | 0.91 ± 0.21 | – | Disk |
CO 2−1 R27 | 4.995 | Keck | 0.25 ± 0.10 | – | Disk |
CO 1−0 P36 | 5.041 | Keck | 0.83 ± 0.08 | – | Disk |
CO 2−1 P30 | 5.043 | Keck | 0.20 ± 0.07 | – | Disk |
CO 1−0 P37 | 5.053 | Keck | 0.61 ± 0.13 | – | Disk |
CO 1−0 P38 | 5.066 | Keck | 0.71 ± 0.14 | – | Disk |
CO 1−0 P39 | 5.079 | Keck | 0.88 ± 0.18 | – | Disk |
CO 1−0 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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