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Table 1

CO line fluxes and widths derived from PACS observations at the central spatial pixel (spaxel).

Transition λ F Δv
(μm) (10−17W m−2) (km s−1)
[OI] 3P13P2 63.185 250 ± 9

CO 47 →46 56.121 <5.8 111
CO 46 →45 57.307 <4.8 107
CO 45 →44 58.547 <3.0 103
CO 44 →43 59.843 <3.0 98
CO 43 →42 61.201 <3.6 94
CO 42 →41 62.624 <5.5 93
CO 41 →40 64.117 <2.9 84
CO 40 →39 65.686 <2.0 79
CO 39 →38 67.366 <1.19 73
CO 38 →37 69.074 <1.5 67
CO 37 →36 70.907 <1.5 59
CO 35 →34 74.890 <3.7 156
CO 34 →33 77.059 3.9 ± 0.7 151
CO 33 →32 79.360 <4.9 146
CO 32 →31 81.806 <3.7 140
CO 31 →30 84.410 6.7 ± 1.1(1) 134
CO 30 →29 87.190 3.2 ± 0.7 127
CO 29 →28 90.163 3.5 ± 0.6 120
CO 28 →27 93.349 6.3 ± 1.8 113
CO 25 →24 104.445 2.4 ± 0.5(2) 319
CO 24 →23 108.763 5.8 ± 1.2 312
CO 23 →22 113.458 11.0 ± 1.0(1) 304
CO 22 →21 118.581 7.4 ± 0.6 296
CO 21 →20 124.193 7.2 ± 0.5 288
CO 20 →19 130.369 7.6 ± 0.6 279
CO 19 →18 137.196 7.1 ± 0.7 269
CO 18 →17 144.784 7.6 ± 0.5 258
CO 17 →16 153.266 9.4 ± 0.4 246
CO 16 →15 162.812 7.7 ± 0.6 233
CO 15 →14 173.631 9.9 ± 0.7 214
CO 14 →13 185.199 8.5 ± 1.3 194

Notes. (1) This line is blended with another transition and should be considered as an upper limit. (2) This line is close to the edge of the spectrum, resulting in a feature that is too narrow. We characterize this as a lower limit.

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