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Table 1:

Frequency, upper level energy, and Einstein coefficient of molecules and lines observed by Herschel/HIFI towards W3 IRS5.
Mole- Tran- Frequency Eu $A_{\rm ul}$ Line peak Line Line Line flux Absorption Column
cule sition       Tmb width shift $\int T_{\rm mb} {\rm d}v$ $\int \tau {\rm d}v$ density
    [GHz] [K] [s-1] [mK] [km s-1] [km s-1] [K km s-1] [km s-1] [cm-2]
CH 1-1-11 536.7611a 25.76 6.4(-4) 740 $\pm$ 7 10.6 +1.6 14.8 $\pm$ 0.02   1.3(13)
NH 11-01 999.9734a 47.99 5.2(-2) -446 $\pm$ 13 2.7 -0.8   3.20 $\pm$ 0.02 4.0(13)
SH 31-2-1 1447.0123a 640.6 8.1(-3) <220     <0.98   <5.0(11)
OH+ 11-01 1033.1186a 49.58 1.8(-2) -790 $\pm$ 21 5.9 +34.8   14.6 $\pm$ 0.03 7.1(13)
OH+ 21-11 1892.2271a 140.4 5.9(-2) <255     <1.13   <1.1(11)
NH+ $1_{\frac{3}{2}-}{-}1_{\frac{1}{2}+}$ 1019.2107d 48.91 5.5(-2) <0.032     <0.14   <5.2(9)
SH+ $1_{2\frac{5}{2}}{-}0_{1{\frac{3}{2}}}$ 526.0479a 25.25 9.7(-4) 65 $\pm$ 3 4.4 -0.3 $0.73 \pm 0.1$   4.1(11)
SH+ 2 $_{3\frac{7}{2}}$-1 $_{2\frac{5}{2}}$ 1082.9117a 77.2 9.1(-2) <37     <0.17   <3.9(10)
SH+ 3 $_{4\frac{9}{2}}$-2 $_{3\frac{7}{2}}$ 1632.5179a 155.6 3.1(-2) <151     <0.68   <9.8(10)
H2O+ 312-303 999.8213c 223.9 2.3(-2)c <46     <0.20   <1.7(10)
H2O+ $1_{11\frac{3}{2}}{-}0_{00\frac{1}{2}}$ 1115.2040b 53.52 3.1(-2)c -285 $\pm$ 24 5.1 +39.1   2.21 $\pm$ 0.03 4.6(12)
H3O+ 430-331 1031.2937e 232.2 5.1(-3) 570 $\pm$ 10 6.2 +0.5 3.8 $\pm$ 0.3   9.7(11)
H3O+ 420-321 1069.8266e 268.8 9.8(-3) 230 $\pm$ 10 4.7 -0.3 1.30 $\pm$ 0.03   2.9(11)
H3O+ 621-620 1454.5625e 692.6 7.1(-3) <245     <0.66   <3.8(11)
H3O+ 211-210 1632.0910e 143.1 1.7(-2) 145 $\pm$ 46 6.7 +0.3 1.20 $\pm$ 0.12   3.7(11)

Notes. The numbers in parentheses give the decimal power. Negative peak fluxes signify background minus line temperature of lines in absorption. Line widths refer to the FWHP value of the most intense line peak or absorption and its line shift to the systemic velocity of -38.4 km s-1. Non-detected peak fluxes are 5$\sigma$ upper limits at 1 km s-1 resolution, and non-detected line fluxes assume a 5 km s-1 line width. The column densities refer to the upper (emission) or lower (absorption) state. Molecular data are taken from: (a) CDMS (Müller et al. 2001), (b) Mürtz et al. (1998), (c) Bruderer (2006), (d) Hübers et al. (2009), (e) JPL catalogue.


Source LaTeX | All tables | In the text

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