Table 3
Spectroscopic parameters and integrated intensities of transitions of iso- and normal-propanol detected toward Sgr B2(N2b) in the ReMoCA survey.
Transition JKa,Kc | Frequency (MHz) | Δ f(a) (kHz) | Aul(b) (10-5 s-1) | Eu(c) (K) | gu(d) | Iobs(e) (K kms-1) | Imod(f) | Iall(g) | Sobs(h)/N | Sdec(i)/N | Smod(j)/N |
---|---|---|---|---|---|---|---|---|---|---|---|
(K km s-1) | |||||||||||
g-i-C3H7OH, υ= 0 | |||||||||||
131,12,0–121,11,1 | 88 524.536 | 6 | 0.43 | 48.2 | 27 | 10.6(9) | 7.1 | 9.1 | 12 | 10 | 8.3 |
132,12,0–122,11,1 | 88 524.536 | 6 | 0.43 | 48.2 | 27 | – | – | – | – | – | – |
140,14,0–130,13,1 | 90477.172 | 7 | 0.51 | 50.4 | 29 | 5.3(9) | 8.6 | 9.1 | 5.9 | 5.4 | 9.5 |
141,14,0–131,13,1 | 90477.172 | 7 | 0.51 | 50.4 | 29 | – | – | – | – | – | – |
150,15,0–140,14,1 | 100016.165 | 7 | 0.68 | 57.5 | 31 | 13.8(7) | 11.0 | 11.4 | 21 | 20 | 16 |
151,15,0–141,14,1 | 100016.165 | 7 | 0.68 | 57.5 | 31 | – | – | – | – | – | – |
160,16,0–150,15,1 | 109556.465 | 7 | 0.91 | 65.0 | 33 | 18.8(6) | 18.5 | 23.3 | 32 | 24 | 32 |
161,16,0–151,15,1 | 109556.465 | 7 | 0.91 | 65.0 | 33 | – | – | – | – | – | – |
a-i-C3H7OH, υ = 0 | |||||||||||
91,8–82,7 | 96248.969 | 4 | 0.80 | 144.9 | 19 | 12.1(5) | 6.3 | 9.5 | 22 | 17 | 12 |
92,8–81,7 | 96248.969 | 4 | 0.80 | 144.9 | 19 | – | – | – | – | – | – |
92,7–83,6 | 103 236.772 | 3 | 0.86 | 147.4 | 19 | 4.6(5) | 4.2 | 4.4 | 8.5 | 8.1 | 7.8 |
93,7–82,6 | 103 236.795 | 3 | 0.86 | 147.4 | 19 | – | – | – | – | – | – |
110,11–101,10 | 108 321.482 | 4 | 1.32 | 152.0 | 23 | 14.3(6) | 10.2 | 10.9 | 26 | 24 | 18 |
111,11–100,10 | 108 321.482 | 4 | 1.32 | 152.0 | 23 | – | – | – | – | – | – |
Gg'-n-C3H7OH, υ = 0 | |||||||||||
91,8,2–81,7,2 | 85495.771 | 2 | 0.65 | 94.4 | 76 | 4.1(8) | 3.3 | 3.3 | 5.0 | 4.9 | 3.9 |
100,10,2–90,9,2 | 88 171.422 | 3 | 0.72 | 96.9 | 84 | 5.6(9) | 3.8 | 4.4 | 6.5 | 5.9 | 4.5 |
102,9,2–92,8,2 | 91 872.157 | 2 | 0.78 | 99.4 | 84 | 7.4(9) | 4.6 | 5.9 | 8.5 | 6.9 | 5.2 |
106,5,2–96,4,2 | 93 322.983 | 2 | 0.55 | 114.4 | 84 | 6.4(9) | 5.8 | 6.4 | 7.5 | 6.8 | 6.8 |
106,4,2–96,3,2 | 93 323.050 | 2 | 0.55 | 114.4 | 84 | – | – | – | – | – | – |
112,10,2–102,9,2 | 100777.598 | 2 | 1.04 | 104.3 | 92 | 5.7(7) | 5.6 | 5.7 | 7.6 | 7.6 | 7.6 |
115,7,2–105,6,2 | 102774.297 | 2 | 0.88 | 114.2 | 92 | 5.4(5) | 4.0 | 5.4 | 10 | 7.4 | 7.3 |
111,10,2–101,9,2 | 103 092.965 | 2 | 1.14 | 103.9 | 92 | 8.0(5) | 4.9 | 4.9 | 17 | 17 | 11 |
124,9,2–114,8,2 | 112758.561 | 2 | 1.12 | 115.6 | 100 | 14.3(26) | 8.7 | 12.0 | 5.6 | 4.3 | 3.4 |
Ag-n-C3H7OH, υ = 0 | |||||||||||
130,13,3–120,12,3 | 94296.615 | 40 | 0.61 | 97.0 | 54 | 5.0(8) | 4.4 | 4.6 | 5.9 | 5.6 | 5.2 |
130,13,2–120,12,2 | 94297.251 | 40 | 0.61 | 97.0 | 54 | – | – | – | – | – | – |
136,7,0–126,6,0 | 94959.841 | 40 | 0.49 | 136.0 | 54 | 3.5(7) | 2.5 | 2.6 | 4.9 | 4.8 | 3.5 |
136,8,0–126,7,0 | 94959.841 | 40 | 0.49 | 136.0 | 54 | – | – | – | – | – | – |
145,9,0–135,8,0 | 102271.836 | 40 | 0.68 | 129.0 | 58 | 6.4(5) | 3.4 | 5.4 | 12 | 8.0 | 6.3 |
145,10,0–135,9,0 | 102271.836 | 40 | 0.68 | 129.0 | 58 | – | – | – | – | – | – |
142,12,3–132,11,3 | 102855.519 | 40 | 0.78 | 106.4 | 58 | 3.4(5) | 2.1 | 2.3 | 7.2 | 6.9 | 4.5 |
155,10,1–145,9,1 | 109618.830 | 40 | 0.86 | 134.3 | 62 | 8.0(7) | 6.3 | 9.2 | 12 | 7.8 | 9.6 |
155,11,1–145,10,1 | 109618.830 | 40 | 0.86 | 134.3 | 62 | – | – | – | – | – | – |
Notes. (a)Frequency uncertainty. (b)Einstein coefficient for spontaneous emission. (c)Upper-level energy. (d)Upper-level degeneracy. (e) Integrated intensity of the observed spectrum in brightness temperature scale. The statistical standard deviation is given in parentheses in unit of the last digit. (f)Integrated intensity of the synthetic spectrum of propanol. (g)Integrated intensity of the model that contains the contribution of all identified molecules, including propanol. (h)Signal-to-noise ratio of Iobs. (l)Signal-to-noise ratio of the integrated intensity, Idec, decontaminated from the contribution of molecules other than propanol, i.e., Idec = Iobs–(Iall–7mod), computed with the uncertainty of Iobs.(j)Signal-to-noise ratio of Imod computed with the uncertainty of Iobs. In the last six columns, a value followed by a dash in the next row represents the value obtained for a group of transitions that are not resolved in the astronomical spectrum.
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