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Home All issues Volume 684 (April 2024) A&A, 684 (2024) A189 Full HTML
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Table A.1

Spectroscopic parameters for the brightest detected transitions.

Frequency (MHz) Quantum numbers (J, Ka, Kc,υt) Eup(K) Aul (s−1) gup Original beam, PA (″×″,°) rms (K) δV (km s−1)
CH3OCH3 (a)
257915.5190 185,13,0 − 184,14,0 190.97 8.76 10−5 222 0.44 × 0.38, −83 0.1494 0.14
257913.3120 185,13,1 − 184,14,1 190.97 8.76 10−5 592 0.44 × 0.38, −83 0.1494 0.14
257911.1750 185,13,3 − 184,14,3 190.97 8.76 10−5 148 0.44 × 0.38, −83 0.1494 0.14
257911.0360 185,13,5 − 184,14,5 190.97 8.77 10−5 74 0.44 × 0.38, −83 0.1494 0.14
258549.3080 141,14,0 − 130,13,0 93.33 1.31 10−4 290 0.44 × 0.38, −82 0.1469 0.14
258549.0630 141,14,1 − 130,13,1 93.33 1.31 10−4 464 0.44 × 0.38, −82 0.1469 0.14
258548.8190 141,14,3 − 130,13,3 93.33 1.31 10−4 116 0.44 × 0.38, −82 0.1469 0.14
258548.8190 141,14,5 − 130,13,5 93.33 1.31 10−4 174 0.44 × 0.38, −82 0.1469 0.14
CH3OCHO(b)
233212.773 194,16,1 − 184,15,1 123.26 1.82 10−4 78 0.38 × 0.34, 70 0.115 0.63
233226.788 194,16,0 − 184,15,0 123.25 1.82 10−4 78 0.38 × 0.34, 70 0.115 0.63
233649.88 1912,7,2 − 1812,6,2 207.62 1.16 10−4 78 0.38 × 0.34, 70 0.115 0.63
233655.342 1912,8,0 − 1812,7,0 207.62 1.16 10−4 78 0.38 × 0.34, 70 0.115 0.63
233655.342 1912,7,0 − 1812,6,0 207.62 1.16 10−4 78 0.38 × 0.34, 70 0.115 0.63
233670.980 1912,8,1 − 1812,7,1 207.60 1.16 10−4 78 0.38 × 0.34, 70 0.115 0.63
233753.960 184,14,2 − 174,13,2 114.37 1.84 10−4 74 0.38 × 0.34, 70 0.115 0.63
233777.521 184,14,0 − 174,13,0 114.36 1.84 10−4 74 0.38 × 0.34, 70 0.115 0.63
233845.233 1911,8,2 − 1811,7,2 192.39 1.29 10−4 78 0.38 × 0.34, 70 0.115 0.63
233854.286 1911,9,0 − 1811,8,0 192.39 1.29 10−4 78 0.38 × 0.34, 70 0.115 0.63
233854.286 1911,8,0 − 1811,7,0 192.39 1.29 10−4 78 0.38 × 0.34, 70 0.115 0.63
233867.193 1911,9,1 − 1811,8,1 192.38 1.29 10−4 78 0.38 × 0.34, 70 0.115 0.63
234112.330 1910,9,2 − 1810,8,2 178.51 1.40 10−4 78 0.38 × 0.34, 70 0.115 0.63
234124.883 1910,9,0 − 1810,8,0 178.50 1.40 10−4 78 0.38 × 0.34, 70 0.115 0.63
234124.883 1910,10,0 − 1810,9,0 178.50 1.40 10−4 78 0.38 × 0.34, 70 0.115 0.63
234134.600 1910,10,1 − 1810,9,1 178.50 1.40 10−4 78 0.38 × 0.34, 70 0.115 0.63
234486.395 199,10,2 − 189,9,2 165.98 1.51 10−4 78 0.38 × 0.34, 70 0.115 0.63
234502.2407 199,11,0 − 189,10,0 165.97 1.51 10−4 78 0.38 × 0.34, 70 0.115 0.63
234502.4315 199,10,0 − 189,9,0 165.97 1.51 10−4 78 0.38 × 0.34, 70 0.115 0.63
234508.614 199,11,1 − 189,10,1 165.97 1.51 10−4 78 0.38 × 0.34, 70 0.115 0.63
245883.179 2013,7,2 − 1913,6,2 235.98 1.30 10−4 82 0.46 × 0.39, −80 0.0373 1.19
245885.243 2013,7,0 − 1913,6,0 235.98 1.30 10−4 82 0.46 × 0.39, −80 0.0373 1.19
245885.243 2013,8,0 − 1913,7,0 235.98 1.30 10−4 82 0.46 × 0.39, −80 0.0373 1.19
245903.680 2013,8,1 − 1913,7,1 235.97 1.30 10−4 82 0.46 × 0.39, −80 0.0373 1.19
246187.016 212,19,3 − 202,18,3 326.63 2.18 10−4 86 0.46 × 0.39, −80 0.0373 1.19
246600.012 2010,10,2 − 1910,9,2 190.35 1.70 10−4 82 0.46 × 0.39, −80 0.0373 1.19
246613.392 2010,10,0 − 1910,9,0 190.34 1.70 10−4 82 0.46 × 0.39, −80 0.0373 1.19
246613.392 2010,11,0 − 1910,10,0 190.34 1.70 10−4 82 0.46 × 0.39, −80 0.0373 1.19
246615.129 205,16,3 − 195,15,3 328.24 2.12 10−4 82 0.46 × 0.39, −80 0.0373 1.19
246623.190 2010,11,1 − 1910,10,1 190.33 1.70 10−4 82 0.46 × 0.39, −80 0.0373 1.19
246891.611 194,15,2 − 184,14,2 126.22 2.18 10−4 78 0.46 × 0.39, −80 0.0373 1.19
246914.658 194,15,0 − 184,14,0 126.21 2.18 10−4 78 0.46 × 0.39, −80 0.0373 1.19
247040.65 209,11,2 − 199,10,2 177.84 1.82 10−4 82 0.46 × 0.39, −80 0.0373 1.19
247044.146 213,19,1 − 203,18,1 139.90 2.21 10−4 86 0.46 × 0.39, −80 0.0373 1.19
247053.453 213,19,0 − 203,18,0 139.89 2.21 10−4 86 0.46 × 0.39, −80 0.0373 1.19
247057.2591 209,12,0 − 199,11,0 177.83 1.82 10−4 82 0.46 × 0.39, −80 0.0373 1.19
247057.7373 209,11,0 − 199,10,0 177.83 1.82 10−4 82 0.46 × 0.39, −80 0.0373 1.19
247063.662 209,12,1 − 199,11,1 177.82 1.82 10−4 82 0.46 × 0.39, −80 0.0373 1.19
247469.2492 231,23,3 − 221,22,3 332.88 2.28 10−4 94 0.46 × 0.39, −80 0.0373 1.19
247469.5853 230,23,3 − 220,22,3 332.88 2.28 10−4 94 0.46 × 0.39, −80 0.0373 1.19
247516.3123 230,23,5 − 220,22,5 332.13 2.29 10−4 94 0.46 × 0.39, −80 0.0373 1.19
247516.0121 231,23,4 − 221,22,4 332.13 2.29 10−4 94 0.46 × 0.39, −80 0.0373 1.19
257919.89 2116,5,2 − 2016,4,2 306.01 1.09 10−4 86 0.44 × 0.38, −83 0.1494 0.14
257910.566 2116,5,0 − 2016,4,0 306.01 1.09 10−4 86 0.44 × 0.38, −83 0.1494 0.14
257910.566 2116,6,0 − 2016,5,0 306.01 1.09 10−4 86 0.44 × 0.38, −83 0.1494 0.14
257906.128 218 13 3 − 208 12 3 365.98 2.22 10−4 86 0.44 × 0.38, −83 0.1494 0.14
257889.872 218,14,3 − 208,13,3 365.98 2.22 10−4 86 0.44 × 0.38, −83 0.1494 0.14
H2CCO(c)
260191.982 131,13 − 121,12 100.5 1.98 10−4 81 0.44 × 0.37, −83 0.1071 0.14
t-HCOOH(d)
246105.9739 112,10 − 102,9 83.74 1.62 10−4 23 0.46 × 0.39, −80 0.0373 1.19
247446.2439 116,6 − 106,5 185.63 1.20 10−4 23 0.46 × 0.39, −80 0.0373 1.19
247513.9713 115,7 − 105,6 150.71 1.35 10−4 23 0.46 × 0.39, −80 0.0373 1.19
247514.1176 115 6 − 105 5 150.71 1.35 10−4 23 0.46 × 0.39, −80 0.0373 1.19

Notes. (a)The spectroscopic parameters for CH3OCH3 come from CDMS (TAG=46514) (Endres et al. 2009). The AA, EE, EA, and AE substates are represented by the vt designations of 0, 1, 3, and 5, respectively.

(b)The spectroscopic parameters for CH3OCHO come from JPL (TAG=60003)] (Ilyushin et al. 2009) with Aul larger than 10−4 s−1.

(c)The spectroscopic parameters for H2CCO come from CDMS (TAG=42501) (Brown et al. 1990).

(d)The spectroscopic parameters for t-HCOOH come from CDMS (TAG=46506) (Winnewisser et al. 2002).

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