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Table B.1

Data for NH3 quadrupole interaction for K = 0,J = 0.

hfs Frequency ΔυF (E0EF) /k Relative
F′−F (MHz) (km s-1) (K) strength

1−1 572 497.1247 + 0.542 + 5.0 × 10-5 0.333
2−1 572 498.3391 −0.094 −8.1 × 10-6 0.556
0−1 572 500.1914 −1.064 −9.7 × 10-5 0.111

Notes. Adopted centre frequency is ν0 = 572 498.160 MHz and eqQ = −4.08983 MHz (Cazzoli et al. 2009).

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