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Table 3

H2O, HO and CO transitions observed with Herschel-HIFIa.

Transition ν λ Eu/kB A Beam tintb ηMB
(GHz) (μm) (K) (10-3 s-1) (′′) (min.)

H2O    110–101 556.94 538.29 61.0 3.46 39 13.0 0.74
111–000 1113.34 269.27 53.4 18.42 19 43.5 0.75
202–111 987.93 303.46 100.8 5.84 22 23.3 0.73
211–202 752.03 398.64 136.9 7.06 29 18.4 0.74
312–303 1097.37 273.19 249.4 16.48 20 32.4 0.75
312–221 1153.13 259.98 249.4 2.63 19 13.0 0.65

HO    110–101 547.68 547.39 60.5 3.59 39 64.3 0.74
111–000c 1101.70 272.12 52.9 21.27 20 43.5 0.75

CO            10–9 1151.99 260.24 304.1 0.10 19 13.0 0.65

Notes. 

(a)

From the JPL database of molecular spectroscopy (Pickett et al. 1998).

(b)

Total on  +  off + overhead integration time.

(c)

Observed in the same setting as the main isotopologue.

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