Open Access

Table 1.

HARMONI-HC configurations providing the smallest inner working angle.

Configuration λmin λmax Spectral Apodizer IWA (a) OWA (b) FPM radius (c)
[μm] [μm] resolution [λ/D] [λ/D] [mas]
HK 1.450 2.450 3555 SP2 7 40 95

H 1.435 1.815 7104 SP1 5 12 45
K 1.951 2.469 7104 SP1 5 12 70

H-high 1.538 1.678 17 385 SP1 5 12 45
K1-high 2.017 2.201 17 385 SP1 5 12 70
K2-high 2.199 2.400 17 385 SP1 5 12 70

Notes.

(a)

Inner working angle.

(b)

Outer working angle.

(c)

Focal plane mask. Note that the radii are only approximate because the masks are slightly asymmetric to accommodate the residual atmospheric dispersion.

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