Table 11: Observed transitions of CH3CH2C15N (without high blend) in the frequency range of the Orion KL survey. Column 1 indicates the transition, Col. 2 provides the assumed rest frequency, Col. 3 the line strength, Col. 4 the energy of the upper level, Col. 5 the observed (centroid) frequencies assuming that the radial velocities relative to LSR are 5 km s-1, Col. 6 the observed peak line temperature of main beam, and Col. 7 indicates the main beam temperature derived from the model.
Transitions Pred. Freq. $S_{{\rm ij}}$ $E_{\rm u}$/k Obs. Freq. Obs. $T_{\rm mb}$ Model $T_{\rm mb}$
$J_{{K_{\rm a},K_{\rm c}}}$ (MHz)   (K) (MHz) (K) (K)
106,5-96,4 87 007.366 6.40 63.0 87 007.2 0.044 0.011
106,4-96,3 87 007.366 6.40 63.0 [*]    
107,4-97,3 87 010.616 5.10 77.4 87 010.3 0.024 0.015
107,3-97,2 87 010.616 5.10 77.4 [*]    
105,6-95,5 87 011.913 7.50 50.8 [*]    
105,5-95,4 87 011.919 7.50 50.8 [*]    
108,2-98,1 87 018.779 3.60 94.1 87 019.2 0.026 0.005
108,3-98,2 87 018.779 3.60 94.1 [*]    
103,7-93,6 87 114.933 9.10 33.0 87 114.2 0.070[*] 0.009
102,8-92,7 87 815.417 9.60 27.5 87 814.4 0.015 0.010
101,9-91,8 88 914.019 9.89 24.6 88 914.3 0.015 0.011
111,11-101,10 92 801.263 10.9 27.9 92 803.2[*] 0.020 0.013
110,11-100,10 94 252.099 11.0 27.3 94 251.3 0.040[*] 0.014
112,10-102,9 95 397.849 10.6 32.0 95 398.2 0.010 0.013
114,7-104,6 95 750.117 9.55 45.4 95 750.2 0.009 0.015
113,8-103,7 95 868.920 10.2 37.6 95 868.2 0.015 0.012
112,9-102,8 96 765.809 10.6 32.2 96 764.2 0.024 0.014
120,12-110,11 102 578.600 12.0 32.2 102 577.1 0.042 0.018
124,9-114,8 104 469.699 10.7 50.4 104 470.1 0.059 0.017
124,8-114,7 104 472.697 10.7 50.4 [*]    
123,10-113,9 104 517.172 11.2 42.6 104 517.2 0.027 0.017
122,10-112,9 105 746.402 11.7 37.3 105 748.1 0.036 0.019
121,11-111,10 106 509.810 11.9 34.4 106 511.1 0.041[*] 0.020
130,13-120,12 110 865.655 13.0 37.6 110 867.0 0.032[*] 0.024
132,12-122,11 112 621.740 12.7 42.4 112 621.0 0.027 0.024
136,8-126,7 113 127.839 10.2 78.0 113 128.0 0.130 0.034
136,7-126,6 113 127.839 10.2 78.0 [*]    
138,6-128,5 113 129.990 8.08 109.1 [*]    
138,5-128,4 113 129.990 8.08 109.1 [*]    
134,9-124,8 113 200.301 11.8 55.8 113 201.0 0.107 0.021
133,11-123,10 113 245.049 12.3 48.0 113 243.9 0.095[*] 0.023
157,9-147,8 130 537.903 11.7 104.6 130 539.7 0.149[*] 0.054
157,8-147,7 130 537.903 11.7 104.6 [*]    
158,8-148,7 130 539.798 10.7 121.3 [*]    
158,7-148,6 130 539.798 10.7 121.3 [*]    
156,10-146,9 130 549.183 12.6 90.2 130 549.8 0.052 0.070
156,9-146,8 130 549.187 12.6 90.2 [*]    
159,6-149,5 130 550.372 9.60 140.1 [*]    
159,7-149,4 130 550.372 9.60 140.1 [*]    
1510,6-1410,5 130 567.307 8.33 161.2 130 567.7 0.049 0.022
1510,5-1410,4 130 567.307 8.33 161.2 [*]    
1512,3-1412,2 130 615.586 5.40 209.9 130 614.7 0.042 0.010
1512,4-1412,3 130 615.586 5.40 209.9 [*]    
154,11-144,10 130 673.185 13.9 67.9 130 672.7 0.073 0.034
151,14-141,13 132 670.810 14.9 52.3 132 670.7 0.130[*] 0.042
152,13-142,12 132 800.381 14.7 55.1 132 799.7 0.075 0.041
168,9-158,8 139 245.508 12.0 127.9 139 247.0 0.280[*] 0.098
168,8-158,7 139 245.508 12.0 127.9 [*]    
167,10-157,9 139 246.220 12.9 111.3 [*]    
167,9-157,8 139 246.220 12.9 111.3 [*]    
166,11-156,10 139 262.522 13.8 96.8 139 263.3 0.086 0.067
166,10-156,9 139 262.529 13.8 96.8 [*]    
1610,7-1510,6 139 271.671 9.75 167.9 139 270.8 0.078 0.029
1610,6-1510,5 139 271.671 9.75 167.9 [*]    
165,12-155,11 139 306.059 14.4 84.6 139 305.8 0.293[*] 0.073
165,11-155,10 139 306.594 14.4 84.6 [*]    
1612,4-1512,3 139 321.451 7.00 216.6 139 321.9 0.045 0.015
1612,5-1512,4 139 321.451 7.00 216.6 [*]    
161,15-151,14 141 313.454 15.9 59.1 141314.5 0.060 0.051
170,17-160,16 143 750.890 16.9 62.8 143750.6 0.18[*]1 0.056
178,10-168,9 147 951.800 13.2 135.0 147955.6 0.256 0.064
178,9-168,8 147 951.800 13.2 135.0 [*]    
177,11-167,10 147 955.646 14.1 118.4 [*]   0.074
177,10-167,9 147 955.646 14.1 118.4 [*]    
179,9-169,8 147 959.709 12.2 153.9 [*]   0.050
179,8-169,7 147 959.709 12.2 153.9 [*]    
1710,7-1610,6 147 976.004 11.1 175.0 147 975.5 0.170 0.093
1710,8-1610,7 147 976.004 11.1 175.0 [*]    
176,12-166,11 147 977.798 14.9 103.9 147 977.5 0.192[*]  
176,11-166,10 147 977.813 14.9 103.9 [*]    
175,13-165,12 148 032.124 15.5 91.7 148 030.7 0.245 0.083
175,12-165,11 148 033.058 15.5 91.7 [*]    
174,14-164,13 148 139.616 16.1 81.7 148 137.0 0.104[*] 0.053
173,15-163,14 148 147.371 16.5 74.0 148 146.9 0.155[*] 0.055
174,13-164,12 148 174.997 16.1 81.7 148 174.4 0.158[*] 0.051
173,14-163,13 148 810.665 16.5 74.1 148 810.5 0.080 0.055
171,16-161,15 149 910.805 16.9 66.3 149 909.5 0.177[*] 0.061
172,15-162,14 150 846.477 16.8 69.1 150 847.5 0.135 0.060
181,18-171,17 151 161.544 17.9 70.3 151 170.6 0.185[*] 0.064
189,10-179,9 156 664.727 13.5 161.4 156 663.4 0.298[*] 0.116
189,9-179,8 156 664.727 13.5 161.4 [*]    
187,12-177,11 156 666.249 15.3 125.9 [*]    
187,11-177,10 156 666.250 15.3 125.9 [*]    
1810,9-1710,8 156 680.304 12.4 182.5 156 679.4 0.077 0.047
1810,8-1710,7 156 680.304 12.4 182.5 [*]    
186,13-176,12 156 695.130 16.0 111.5 156 693.4 0.196[*] 0.097
186,12-176,11 156 695.157 16.0 111.5 [*]    
184,14-174,13 156 939.258 17.1 89.3 156 938.4 0.133 0.060
183,15-173,14 157 730.365 17.5 81.6 157 729.4 0.060 0.065
182,16-172,15 159 848.455 17.8 76.8 159 847.4 0.105 0.071
192,18-182,17 163 915.948 18.8 83.4 163 916.3 0.160[*] 0.077
191,18-181,17 166 956.959 18.9 81.9 166 957.3 0.125 0.082
202,19-192,18 172 402.881 19.8 91.7 172 401.6 0.228 0.088
208,13-198,12 174 074.508 16.8 158.8 174 072.8 0.426[*] 0.166
208,12-198,11 174 074.508 16.8 158.8 [*]    
209,12-199,11 174 075.518 16.0 177.7 [*]    
209,11-199,10 174 075.518 16.0 177.7 [*]    
207,14-197,13 174 091.254 17.6 142.2 174 090.3 0.345[*] 0.128
207,13-197,12 174 091.255 17.6 142.2 [*]    
237,17-227,16 200 239.252 20.9 169.8 200 241.0 0.143 0.162
237,16-227,15 200 239.261 20.9 169.8 [*]    
2312,12-2212,11 200 251.101 16.7 275.1 200 250.9 0.136 0.064
2312,11-2212,10 200 251.101 16.7 275.1 [*]    
231,22-221,21 200 425.284 22.9 117.9 200 423.4[*] 0.152 0.125
2316,7-2216,6 200 442.132 11.9 398.7 200 441.0 0.016 0.020
2316,8-2216,7 200 442.132 11.9 398.7 [*]    
234,20-224,19 200 668.972 22.3 133.2 200 670.9 0.173[*] 0.110
232,21-222,20 204 419.525 22.8 121.6 204 422.9[*] 0.132 0.128
250,25-240,24 209 271.572 24.9 132.1 209 272.1 0.367[*] 0.138
242,22-232,21 213 217.376 23.8 131.8 213 215.8 0.320[*] 0.139
252,24-242,23 214 557.679 24.8 139.1 214 558.3 0.165 0.140
261,26-251,25 217 285.943 25.9 142.6 217 285.7 0.253 0.147
260,26-250,25 217 474.027 25.9 142.6 217 473.3 0.207 0.147
259,17-249,16 217 607.414 21.8 225.8 217 609.5 0.323 0.228
259,16-249,15 217 607.414 21.8 225.8 [*]    
2510,16-2410,15 217 609.115 21.0 246.8 [*]    
2510,15-2410,14 217 609.115 21.0 246.8 [*]    
2511,15-2411,14 217 626.225 20.2 270.1 217 626.9 0.320 0.255
2511,14-2411,13 217 626.225 20.2 270.1 [*]    
258,18-248,17 217 627.120 22.4 206.9 [*]    
258,17-248,16 217 627.120 22.4 206.9 [*]    
257,19-247,18 217 679.026 23.0 190.2 217 679.4 0.217 0.191
257,18-247,17 217 679.051 23.0 190.2 [*]    
255,21-245,20 217 976.444 24.0 163.7 217 975.7 0.086 0.119
253,22-243,21 221 023.822 24.6 146.8 221 024.4 0.162 0.142
261,25-251,24 225 064.582 25.9 149.2 225 063.1 0.218 0.152
266,21-256,20 226 521.943 24.6 186.7 226 524.4[*] 0.244 0.203
266,20-256,19 226 523.621 24.6 186.7 [*]    
265,22-255,21 226 737.488 25.0 174.5 226 736.8 0.235[*] 0.127
264,22-254,21 227 585.336 25.4 164.8 227 585.5 0.498 0.139
281,28-271,27 233 761.349 27.9 164.7 233 762.4 0.239 0.163
280,28-270,27 233 886.100 27.9 164.6 233 885.3 0.151 0.164
273,25-263,24 234 807.835 26.7 168.0 234 807.4 0.325 0.154
2710,18-2610,17 235 016.780 23.3 269.0 235 015.4 0.150 0.146
2710,17-2610,16 235 016.780 23.3 269.0 [*]    
274,24-264,23 235 703.198 26.4 175.9 235 703.2 0.156 0.146
283,26-273,25 243 387.108 27.7 179.7 243 385.6 0.207 0.161
2810,19-2710,18 243 720.490 24.4 280.7 243 720.2 0.217 0.152
2810,18-2710,17 243 720.490 24.4 280.7 [*]    
289,20-279,19 243 730.327 25.1 259.6 243 730.2 0.362 0.289
289,19-279,18 243 730.327 25.1 259.6 [*]    
2811,18-2711,17 243 731.014 23.7 303.9 [*]    
2811,17-2711,16 243731.014 23.7 303.9 [*]    
2812,17-2712,16 243756.893 22.9 329.4 243756.3 0.200 0.102
2812,16-2712,15 243756.893 22.9 329.4 [*]    
286,23-276,22 244 007.283 26.7 209.7 244 007.2 0.427 0.149
286,22-276,21 244 011.067 26.7 209.7 244 010.2 0.432 0.148
296,24-286,23 252 754.799 27.8 221.8 252 755.2 0.456 0.139
296,23-286,22 252 760.349 27.8 221.8 252 760.1 0.402 0.137
295,25-285,24 253 042.421 28.1 209.7 253 041.7 0.252 0.147
294,25-284,24 254 464.800 28.4 200.1 254 464.2 0.291 0.160
311,31-301,30 258 449.466 30.9 200.7 258 449.2 0.204 0.180
306,24-296,23 261 513.668 28.8 234.4 261 512.9 0.278 0.140
302,28-292,27 264 929.014 29.8 202.0 264 929.9 0.156 0.182
320,32-310,31 266 726.277 31.9 213.5 266 725.0 0.369 0.183
313,29-303,28 269 002.338 30.7 217.2 269 002.9 0.660 0.175
318,24-308,23 269 919.627 28.9 278.3 269 918.9 0.191 0.224
318,23-308,22 269 919.638 28.9 278.3 [*]    
315,27-305,26 270 593.584 30.2 235.3 270 592.9 0.262 0.155
314,28-304,27 270 656.392 30.5 225.4 270 655.9 0.390 0.167
315,26-305,25 270 792.922 30.2 235.3 270 791.9 0.357 0.155
330,33-320,32 274 937.410 32.9 226.7 274 936.8 0.277[*] 0.185
3211,22-3111,21 278 531.537 28.2 354.9 278 530.1 0.736 0.247
3211,21-3111,20 278 531.537 28.2 354.9 [*]    
3210,23-3110,22 278 534.350 28.9 331.6 [*]    
3210,22-3110,21 278 534.350 28.9 331.6 [*]    
324,29-314,28 279 370.232 31.5 238.8 279 270.2 0.556 0.301
325,28-315,27 279 371.886 31.2 248.7 [*]    
325,27-315,26 279 633.253 31.2 248.7 279 632.8 0.384 0.157

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