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Table 4

Astrophysically important molecular transitions within the frequency coverage of SEPIA Band 9.

Molecule Transition Frequency (GHz) Comment
H13CO+ J = 7–6 607.18
SiO J = 14–13 607.61
HN13C J = 7–6 609.51
HCN-v2 J = 7–6 623.36
HCO+ J = 7–6 624.21
SiH 2ΠF1; J = 3∕2+J = 1∕2+ 624.92 Several lines
H37Cl J = 1–0 624.96 Several lines
H35Cl J = 1–0 625.90 Several lines
C34S J = 13–12 626.34
HNC J = 7–6 634.51
30SiO J = 15–14 635.22
CS J = 13–12 636.53
29SiO J = 15–14 642.80
SiO J = 15–14 650.96
DCN J = 9–8 651.57
C18O J = 6–5 658.55
13CO J = 6–5 661.07
C17O J = 6–5 674.01
30SiO J = 16–15 677.51
HCS+ J = 16–15 682.44
CS J = 14–13 685.43
29SiO J = 16–15 685.59
HC15N J = 8–7 688.28
H13CN J = 8–7 690.55
CO J = 6–5 691.47
H13CO+ J = 8–7 693.88
SiO J = 16–15 694.29
HN13C J = 8–7 696.53
HCN-v2 J = 8–7 708.79 Several lines
HCN J = 8–7 708.88
HCO+ J = 8–7 713.34
30SiO J = 17–16 719.79
C34S J = 15–14 722.58

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