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Table 3

MRS field of view in global JWST coordinate system after finalising the distortion solution based on PID 1524.

Band V2 boresight (arcsec) V3 boresight (arcsec) angle (degrees) FoV (α, β) (arcsec2)
1A −503.37 −319.00 8.4 3.3 × 3.7
1B −503.36 −319.12 8.3 3.3 × 3.7
1C −503.30 −318.85 8.3 3.3 × 3.7
2A −503.43 −319.29 8.2 4.1 × 4.8
2B −503.51 −319.57 8.2 4.1 × 4.8
2C −503.35 −319.50 8.2 4.1 × 4.8
3A −503.96 −319.01 7.6 5.4 × 6.2
3B −504.01 −319.21 7.6 5.6 × 6.2
3C −504.02 −319.17 7.6 5.6 × 6.2
4A −502.75 −319.61 8.4 6.9 × 7.9
4B −502.86 −319.54 8.3 6.8 × 7.9
4C −502.89 −319.54 8.4 6.8 × 7.9

Notes. The angle refers to the rotation of the MRS slicer coordinate frame with respect to the JWST V3 coordinate. The angle estimate uncertainty is 10% for channels 1–3 and 20% for channel 4.

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