Table 5: The receiver performance for a typical channel from each of the B OOMERANG bands, computed from a receiver model using the observed average in-flight loading conditions. The performance measured in flight is consistent with these estimates.
  units 145 245 345
Optical power pW 0.496 0.846 6.158
Equivalent R-J temperature K 4 4 16
CMB/total % 23.0 6.2 0.9
Atmos./total % 4.1 32.6 64.7
Refl./total % 21.4 17.2 10.0
Internal/total % 51.5 44.0 24.4

NEP $_{{\rm total}}$		 10-17 W/ $\!\sqrt{{\rm Hz}}$ 2.49 3.89 8.95
NEP $_{{\rm photon}}$ 10-17 W/ $\!\sqrt{{\rm Hz}}$ 0.99 1.64 5.31
Bose term % 14.8 7.2 16.4
NEP $_{{\rm phonon}}$ 10-17 W/ $\!\sqrt{{\rm Hz}}$ 1.003 1.636 2.891
NEP $_{{\rm johnson}}$ 10-17 W/ $\!\sqrt{{\rm Hz}}$ 1.307 1.839 3.669
NEP $_{{\rm amplifier}}$ 10-17 W/ $\!\sqrt{{\rm Hz}}$ 1.578 2.518 5.494
NEP $_{{\rm bolo}}$ / NEP $_{{\rm background}}$   1.67 1.50 0.88

NEFD		 mJy/ $\!\sqrt{{\rm Hz}}$ 37 43 177
NET $_{{\rm cmb}}$ $\mu{\rm K}_{{\rm CMB}}\!\sqrt{{\rm s}}$ 151 341 551
NET $_{{\rm RJ}}$ $\mu{\rm K}_{{\rm RJ}}\!\sqrt{{\rm s}}$ 89 92 51
NET $^{{\rm inst}}_{{\rm cmb}}$ $\mu{\rm K}_{{\rm CMB}}\!\sqrt{{\rm s}}$ 53 171 275
Voltage noise nV/ $\!\sqrt{{\rm Hz}}$ 18.0 17.7 18.5

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