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Table 8

NaCN line parameters in IRC +10216.

Transition ν rest ν obs v exp Notes
(MHz) (MHz) K km s-1 km s-1

NaCN
51,4-41,3 80846.901 80846.9(3) 0.79(5) 13.7(5)
61,6-51,5 90394.384 90394.1(3) 0.93(5) 14.8(4)
60,6-50,5 93206.092 93206.0(3) 1.10(7) 14.2(4)
65,2-55,1 + 65,1-55,0 93637.583 + 93637.584 93637.1(10) 0.14(2) 14.4(10) ?
62,5-52,4 93712.543 93712.4(10) 0.65(15) 14.5  ∥  $
64,3-54,2 + 64,2-54,1 93738.970 + 93739.025 93738.5(4) 0.55(4) 12.7(8) ?
63,4-53,3 93838.443 93838.5(7) 0.46(6) 13.8(6) $
63,3-53,2 93848.623 93848.8(7) 0.44(6) 14.3(6) $
62,4-52,3 94334.803 94334.9(3) 1.02(6) 14.6(4)
61,5-51,4 96959.808 96959.9(3) 1.00(6) 14.0(4)
71,7-61,6 105393.275 105393.0(3) 1.24(8) 14.7(5) $
70,7-60,6 108471.987 108472.0(2) 1.27(7) 14.7(4)
75,3-65,2 + 75,2-65,1 109250.132 + 109250.133 109249.6(6) 0.34(2) 14.2(8) ?
72,6-62,5 109281.478 109281.5(8) 0.86(8) 14.0(6) $
74,4-64,3 + 74,3-64,2 109375.276 + 109375.458 109375.2(2) 0.66(4) 15.2(5) ?
73,5-63,4 109501.960 109501.9(6) 0.62(5) 14.5  ∥  $
73,4-63,3 109524.843 109525.5(6) 0.52(4) 14.5  ∥  $
72,5-62,4 110269.912 110270.0(3) 1.19(6) 14.9(5) $
71,6-61,5 113040.219 113040.1(6) 0.96(6) 14.3(6) $
81,7-71,6 129081.302 129081.6(8) 1.72(10) 13.8(10)
91,9-81,8 135303.358 135302.4(10) 1.22(12) 15.9(15)
90,9-80,8 138652.095 138652.0(5) 1.33(6) 13.9(5)
94,6-84,5 + 94,5-84,4 140666.698 + 140667.897 140666.3(12) 0.67(8) 13.4(10) ?
92,7-82,6 142410.522 142410.4(5) 0.86(5) 14.3(4)
91,8-81,7 145075.566 145075.3(5) 1.22(6) 13.8(6) $
100,10-90,9 153557.927 153557.0(10) 1.13(7) 15.2(10)
102,9-92,8 155837.923 155838.1(8) 1.06(8) 13.4(10)
104,7-94,6 + 104,6-94,5 156323.334 + 156325.930 156324.5(10) 1.46(10) 13.7(10) ?
103,8-93,7 156541.550 156540.9(15) 0.66(9) 14.5(10) $
103,7-93,6 156684.358 156684.7(8) 0.86(6) 11.0(6)
102,8-92,7 158616.767 158617.2(8) 1.07(8) 14.8(8)
101,9-91,8 161014.794 161014.8(5) 1.13(5) 14.1(5)
115,7-105,6 + 115,6-105,5 171733.484 + 171733.540 171735.4(10) 0.89(12) 9.1(12) ?
112,9-102,8 174904.123 174903.3(5) 0.48(3) 13.5(4)
111,10-101,9 176889.996 176889.1(8) 0.64(6) 13.4(8)
121,12-111,11 179921.906 179920.8(12) 0.96(10) 12.6(15)
130,13-120,12 197611.467 197611.8(6) 0.53(3) 13.0(7)
132,12-122,11 202103.717 202106.9(20) 1.09(5) 16.0(20)
136,8-126,7 + 136,7-126,6 202688.585 + 202688.587 202685.9(20) 0.65(5) 14.0(15) ?
135,9-125,8 + 135,8-125,7 203000.858 + 203001.131 203002.8(10) 0.91(6) 10.9(15) ?
133,11-123,10 203627.152 203627.8(10) 0.82(6) 15.2(10)
133,10-123,9 204158.738 204158.6(10) 0.45(4) 11.6(10)
132,11-122,10 207658.257 207657.0(10) 0.82(6) 13.6(10)
131,12-121,11 208408.609 208408.6(6) 0.76(5) 13.3(6)
141,14-131,13 209495.655 209497.4(15) 0.39(5) 11.5(15) $
140,14-130,13 212124.029 212123.1(10) 0.52(5) 15.4(10)
143,12-133,11 219321.048 219323.5(10) 0.44(8) 13.1(10)
143,11-133,10 220086.453 220086.2(15) 0.32(6) 13.2(10)
141,13-131,12 224030.638 224030.5(5) 0.52(4) 12.4(6)
142,12-132,11 224082.616 224082.2(5) 0.62(5) 13.2(6)
151,15-141,14 224232.257 224232.1(6) 0.51(4) 14.1(6)
150,15-140,14 226581.137 226580.3(10) 0.67(4) 13.3(6)
152,14-142,13 232748.129 232747.6(10) 0.68(6) 14.1(8)
157,9-147,8 + 157,8-147,7 233510.583 + 233510.583 233510.0(10) 0.30(3) 13.0(10) ?
156,10-146,9 + 156,9-146,8 233895.500 + 233895.513 233896.2(10) 0.39(3) 10.9(10) ?
155,11-145,10 + 155,10-145,9 234289.734 + 234290.771 234290.4(10) 0.50(3) 12.6(8) ?
154,12-144,11 234738.183 234737.5(8) 0.30(3) 12.9(8)
153,12-143,11 236078.907 236079.6(8) 0.20(2) 11.1(10)
151,14-141,13 239546.409 239546.2(6) 0.58(4) 12.5(6)
152,13-142,12 240507.236 240506.8(5) 0.58(4) 13.4(6)
162,15-152,14 248003.167 248002.7(5) 0.55(4) 13.3(6)
167,10-157,9 + 167,9-157,8 249079.914 + 249079.915 249079.1(8) 0.49(6) 14.2(8) ?
166,11-156,10 + 166,10-156,9 249502.758 + 249502.785 249503.2(8) 0.64(7) 12.9(8) ?
165,12-155,11 + 165,11-155,10 249943.220 + 249945.104 249944.0(6) 0.69(7) 12.4(6) ?
171,17-161,16 253611.361 253610.6(8) 0.54(6) 12.8(8)
170,17-160,16 255396.376 255397.6(8) 0.78(7) 14.0(5)
1710,7-1610,6 + 1710,8-1610,7 263154.449 + 263154.449 263155.7(20) 0.36(5) 18.4(20) ? $
172,16-162,15 263210.770 263210.4(8) 0.38(4) 14.0(8)
179,9-169,8 + 179,8-169,7 263682.103 + 263682.103 263683.6(10) 0.18(2) 12.4(10) ?
178,10-168,9 + 178,9-168,8 264178.070 + 264178.070 264177.2(10) 0.41(3) 15.8(10) ?
176,12-166,11 + 176,11-166,10 265112.789 + 265112.843 265111.1(15) 0.66(4) 15.3(15) ?
175,13-165,12 + 175,12-165,11 265603.232 + 265606.523 265606.4(15) 0.74(5) 13.2(15) ?
174,14-164,13 266168.587 266167.4(15) 0.46(5) 17.8(15)
174,13-164,12 266283.597 266281.4(20) 0.39(6) 14.5  ∥  $
173,15-163,14 266346.964 266347.0(10) 0.61(5) 14.1(10)
181,18-171,17 268257.278 268259.9(20) 0.46(5) 13.4(15) $
173,14-163,13 268287.549 268288.5(10) 0.36(4) 12.3(10)
180,18-170,17 269780.806 269780.0(8) 0.48(4) 11.7(8)
171,16-161,15 270217.365 270218.8(10) 0.58(4) 12.7(8)
172,15-162,14 273268.589 273270.7(15) 0.50(6) 10.1(15)
182,17-172,16 278369.353 278368.5(10) 0.42(4) 15.1(10)
189,10-179,9 + 189,9-179,8 279177.286 + 279177.286 279173.8(20) 0.26(4) 10.5(20) ?
188,11-178,10 + 188,10-178,9 279710.006 + 279710.006 279715.1(20) 0.44(6) 14.5 ? ∥  $
187,12-177,11 + 187,11-177,10 280219.750 + 280219.751 280220.6(10) 0.49(5) 14.6(10) ?
184,14-174,13 282067.503 282070.2(20) 0.43(5) 15.2(15)
191,19-181,18 282876.644 282878.9(20) 0.47(5) 13.5(15)
190,19-180,18 284161.712 284161.3(10) 0.43(3) 11.4(8)
183,15-173,14 284514.720 284516.3(15) 0.38(4) 10.8(10)
181,17-171,16 285355.280 285353.0(20) 0.45(5) 15.3(15)
182,16-172,15 289567.202 289566.9(10) 0.48(4) 13.8(10)
192,18-182,17 293477.704 293481.9(20) 0.77(8) 16.7(15)
199,11-189,10 + 199,10-189,9 294669.796 + 294669.796 294669.1(20) 0.33(5) 13.2(15) ?
197,13-187,12 + 197,12-187,11 295790.308 + 295790.311 295788.6(20) 0.30(5) 14.5 ? ∥  $
195,15-185,14 + 195,14-185,13 296944.126 + 296953.235 296948.3(20) 0.28(4) 15.0(20) ?
201,20-191,19 297471.433 297470.7(20) 0.24(4) 11.0(20)
194,15-184,14 297879.787 297879.7(15) 0.20(3) 12.0(15) $
200,20-190,19 298544.239 298542.5(20) 0.28(4) 11.2(15)
191,18-181,17 300354.316 300354.0(10) 0.44(4) 11.7(10)
208,13-198,12 + 208,12-198,11 310769.695 + 310769.695 310767.2(20) 0.22(3) 12.6(20) ?
207,14-197,13 + 207,13-197,12 311361.332 + 311361.337 311361.8(10) 0.20(2) 14.2(10) ?
206,15-196,14 + 206,14-196,13 311961.365 + 311961.708 311961.6(10) 0.35(3) 15.0(10) ?
211,21-201,20 312043.593 312043.2(8) 0.33(2) 12.0(8)
210,21-200,20 312931.171 312930.1(15) 0.13(1) 12.6(15)
203,18-193,17 313196.095 313198.4(20) 0.12(2) 14.5  ∥ 
204,17-194,16 313369.371 313371.4(15) 0.22(2) 16.6(15)
204,16-194,15 313724.992 313721.0(20) 0.44(5) 14.5  ∥ 
201,19-191,18 315213.834 315212.9(15) 0.39(4) 13.9(10)
203,17-193,16 317220.575 317219.5(10) 0.38(3) 12.8(10)
211,20-201,19 329937.919 329938.4(20) 0.22(3) 11.4(20)
231,23-221,22 341127.341 341128.1(15) 0.37(3) 14.8(15)
230,23-220,22 341721.282 341717.9(20) 0.30(4) 12.3(20)
228,15-218,14 + 228,14-218,13 341823.295 + 341823.295 341823.2(10) 0.40(4) 12.7(10) ?
226,17-216,16 + 226,16-216,15 343211.017 + 343212.019 343213.0(20) 0.42(4) 15.2(20) ?
223,20-213,19 344269.527 344267.6(20) 0.19(4) 11.5(20)
221,21-211,20 344535.644 344539.8(20) 0.22(3) 10.4(20)
224,19-214,18 344854.243 344857.9(20) 0.25(4) 10.2(20)

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