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Table 2

Spectrally unresolved PACS rotational transitions in the ground vibrational state of CO, SiO, and HCN used in this paper.

PACS Molecule Rotational λ 0 F int
band transition [μm] [W m-2]

R1B SiO J = 37–36 187.30 1.16e-16 (22.2%)
CO J = 14–13 186.00 2.43e-16 (16.8%)
SiO J = 38–37 182.38 1.99e-16 (18.7%)
SiO J = 39–38 177.75 1.61e-16 (19.1%)
CO J = 15–14 173.63 2.94e-16 (21.1%)
SiO J = 40–39 173.34 7.67e-17 (54.5%)
CO J = 16–15 162.81 3.88e-16 (16.2%)
HCN J = 21–20 161.35 2.02e-16 (19.0%)
CO J = 17–16 153.27 3.77e-16 (19.3%)
CO J = 18–17 144.78 b4.61e-16 (16.6%)

R1A CO J = 18–17 144.78 c5.06e-16 (18.7%)
CO J = 19–18 137.20 4.86e-16 (19.6%)
HCN J = 25–24 135.63 a1.81e-16 (30.3%)
HCN J = 26–25 130.44 4.66e-16 (18.8%)
CO J = 20–19 130.37 Blended
CO J = 21–20 124.19 3.77e-16 (19.3%)
CO J = 22–21 118.58 b1.51e-15 (15.7%)
CO J = 23–22 113.46 a3.25e-15 (15.6%)
CO J = 24–23 108.76 a5.80e-16 (24.9%)

B2A CO J = 36–35 72.84 b3.41e-15 (16.3%)
CO J = 38–37 69.07 2.81e-16 (31.7%)

B2B CO J = 28–27 93.35 1.12e-15 (15.9%)
CO J = 29–28 90.16 2.29e-16 (74.6%)
CO J = 31–30 84.41 b5.76e-16 (20.3%)
CO J = 36–35 72.84 3.46e-15 (17.2%)

Notes. The rest wavelength and integrated line strength Fint are listed. The percentages in parentheses indicate the uncertainty on Fint, which includes both the fitting uncertainty and the PACS absolute flux uncertainty of 15%. All blends are excluded from the modelling procedure.

(⋆)

Lines flagged for potential line blends (see Sect. 2.3). Transitions that might contribute to the blended line are listed immediately below the flagged transition.

(a)

Identified blends of strong water transitions.

(b)

Identified blend with vibrationally excited SiO.

(c)

Identified blend with H2S.

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