Open Access

Table 4

MIRI imager background measurements during commissioning.

Filter Average background (MJy sr−1) Variation between cold and hot attitudes (%)
F770W 6.7 7.5
F1280W 36.0 0.9
F1500W 60.8 0.3
F1800W 91.3 0.5
F2100W 238.7 0.7
F2550W 853.3 0.9

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