Table 1: Overview of the velocity-integrated intensities ( $\int T_{\rm mb}~{\rm d}v$ in K km s^-1) for the observed line transitions. The frequency is listed in GHz and the lower energy level in cm^-1. The integrated intensity of detected lines with a low S/N-ratio is given between brackets. In case of a non-detection, an upper limit on the integrated intensity is computed as $3\sigma \times$ expected linewidth, with $\sigma$ the noise on the data. A ``-'' indicates lines that were not observed. APEX-data are reported in plain front, JCMT-data are given in italics.
Transition ¹²CO(2-1) ¹²CO(3-2) ¹²CO(4-3) ¹²CO(7-6) ¹³CO(2-1) ¹³CO(3-2) ¹²CS(5-4) ¹²CS(6-5) ¹²CS(7-6) ¹²CS(10-9) ¹²CS(17-16)

frequency 230.538 345.795 461.040 806.651 220.398 330.587 244.935 293.912 342.882 489.759 832.061

$E_{{\rm low}}$ 3.84 11.54 23.07 80.74 3.67 11.03 16.34 24.51 34.32 75.53 222.15

WX Psc 58.0 64.3 40.2 22.4 9.9 11.3 <2.4 [0.8] 1.3 <8.1 <42.6

W Aql 80.6 118.4 95.9 <178 4.6 8.1 - 2.4 4.6 <54.1 <203

II Lup - 145.0 130.0 99.7 - 32.5 - 20.4 35.2 - -

V Cyg 45.6 - - - 4.2 - 7.4 - - - -

Transition ¹³CS(7-6) ¹³CS(10-9) H¹²CN(3-2) H¹²CN(4-3) H¹²CN(9-8) H¹³CN(4-3) SiO(5-4) SiO(6-5) SiO(7-6) SiO(11-10)

frequency 323.684 462.334 265.886 354.505 797.433 345.340 217.105 260.518 303.926 477.504

$E_{{\rm low}}$ 32.39 69.41 8.87 17.74 106.42 17.28 14.48 21.73 30.42 79.65

WX Psc <67.4 <12.7 9.9 8.9 <117 [2.6] 9.2 11.1 10.4 <15.0

W Aql - <13.0 21.7 12.2 [34.1] 3.1 7.1 8.9 5.2 13.8

II Lup - - - 60.7 - 64.2 - - 19.6 -

V Cyg - - 25.7 - - - 3.8 5.1 - -

Transition SiO(19-18) SiS(12-11) SiS(14-13) SiS(16-15) SiS(19-18) SO(1₁-1₀) SO( $\mathit{6_5}$ - $\mathit{5_4}$ ) SO(7₈-6₇) SO( $\mathit{8_9}$ - $\mathit{8_8}$ ) SO(10₁₁-10₁₀)

frequency 824.235 217.817 254.102 290.380 344.778 286.34 219.949 340.714 254.573 336.597

$E_{{\rm low}}$ 247.57 39.96 55.10 72.66 103.53 1.00 16.98 45.10 60.80 88.08

WX Psc <92.2 3.2 <1.2 5.4 4.8 <0.9 1.6 <1.4 <2.0 [0.9]

W Aql [22.3] - - 1.2 [3.4] - <1.2 <3.4 - -

II Lup - - - - 7.8 - - <4.2 - -

V Cyg - 0.9 <14.8 - - - <1.3 - - -

**Table 1:** Overview of the velocity-integrated intensities ( $\int T_{\rm mb}~{\rm d}v$ in K km s^-1) for the observed line transitions. The frequency is listed in GHz and the lower energy level in cm^-1. The integrated intensity of detected lines with a low S/N-ratio is given between brackets. In case of a non-detection, an upper limit on the integrated intensity is computed as $3\sigma \times$ expected linewidth, with $\sigma$ the noise on the data. A ``-'' indicates lines that were not observed. APEX-data are reported in plain front, JCMT-data are given in italics.
Transition	¹²CO(2-1)	¹²CO(3-2)	¹²CO(4-3)	¹²CO(7-6)	¹³CO(2-1)	¹³CO(3-2)	¹²CS(5-4)	¹²CS(6-5)	¹²CS(7-6)	¹²CS(10-9)	¹²CS(17-16)
frequency	230.538	345.795	461.040	806.651	220.398	330.587	244.935	293.912	342.882	489.759	832.061
$E_{{\rm low}}$	3.84	11.54	23.07	80.74	3.67	11.03	16.34	24.51	34.32	75.53	222.15
WX Psc	58.0	64.3	40.2	22.4	9.9	11.3	<2.4	[0.8]	1.3	<8.1	<42.6
W Aql	80.6	118.4	95.9	<178	4.6	8.1	-	2.4	4.6	<54.1	<203
II Lup	-	145.0	130.0	99.7	-	32.5	-	20.4	35.2	-	-
V Cyg	45.6	-	-	-	4.2	-	7.4	-	-	-	-
Transition	¹³CS(7-6)	¹³CS(10-9)	H¹²CN(3-2)	H¹²CN(4-3)	H¹²CN(9-8)	H¹³CN(4-3)	SiO(5-4)	SiO(6-5)	SiO(7-6)	SiO(11-10)
frequency	323.684	462.334	265.886	354.505	797.433	345.340	217.105	260.518	303.926	477.504
$E_{{\rm low}}$	32.39	69.41	8.87	17.74	106.42	17.28	14.48	21.73	30.42	79.65
WX Psc	<67.4	<12.7	9.9	8.9	<117	[2.6]	9.2	11.1	10.4	<15.0
W Aql	-	<13.0	21.7	12.2	[34.1]	3.1	7.1	8.9	5.2	13.8
II Lup	-	-	-	60.7	-	64.2	-	-	19.6	-
V Cyg	-	-	25.7	-	-	-	3.8	5.1	-	-
Transition	SiO(19-18)	SiS(12-11)	SiS(14-13)	SiS(16-15)	SiS(19-18)	SO(1₁-1₀)	SO( $\mathit{6_5}$ - $\mathit{5_4}$ )	SO(7₈-6₇)	SO( $\mathit{8_9}$ - $\mathit{8_8}$ )	SO(10₁₁-10₁₀)
frequency	824.235	217.817	254.102	290.380	344.778	286.34	219.949	340.714	254.573	336.597
$E_{{\rm low}}$	247.57	39.96	55.10	72.66	103.53	1.00	16.98	45.10	60.80	88.08
WX Psc	<92.2	3.2	<1.2	5.4	4.8	<0.9	1.6	<1.4	<2.0	[0.9]
W Aql	[22.3]	-	-	1.2	[3.4]	-	<1.2	<3.4	-	-
II Lup	-	-	-	-	7.8	-	-	<4.2	-	-
V Cyg	-	0.9	<14.8	-	-	-	<1.3	-	-	-

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