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Table 1:

Overview of the molecular line transitions observed with APEX.

Species
Transition $\nu$ (MHz) HPBW ( $^{\prime \prime }$)
12CO 3-2 345 796.00 18
  4-3 461 040.78 14
  7-6 806 651.81 8
13CO 33-22 330 587.94 19
SiS 16-15 290 380.31 21
  17-16 308 515.63 20
  19-18 344 778.78 18
  20-19 362 906.34 18
28SiO 7-6 303 926.81 20
  8-7 347 330.59 18
29SiO 7-6 300 120.47 20
  8-7 342 980.84 18
30SiO 7-6 296 575.75 21
  8-7 338 930.03 18
SO 77-66 301 286.13 20
  88-77 344 310.63 18
SO2 33  1-22  0 313 279.72 20
  171 17-160  16 313 660.84 20
  43 1-32 2 332 505.25 19
  132 12-12 1 11 345 338.53 18
  53 3-42 2 351 257.22 18
  144 10-143 11 351 873.88 18
CS 6-5 293 912.25 21
  7-6 342 883.00 18
HCN 4-3 354 505.47 18
CN N=3-2, J=5/2-3/2 340 031.56 18
  N=3-2, J=7/2-5/2 340 247.78 18
masers
H2O 102 9-93 6 321 225.63 19
  51 5-42 2 325 152.91 19
28SiO v=1, 7-6 301 814.30 20
  v=1, 8-7 344 916.35 18
  v=3, 7-6 297 595.41 20
29SiO v=1, 7-6 298 047.33 20
30SiO v=1, 8-7 336 602.44 19

Notes. The third column lists the transition frequency, the last column the beam size (HPBW). For CN, only the strongest hyperfine component is given.


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