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LIRIS filters, grisms and prisms

LIRIS has two filter wheels (FW1, FW2), a slit wheel (SW), a pupil wheel (PW) and a grism wheel (GW). The configuration of each is given below.

Filter Wheel and Pos. Best pupil Cut-on Cut-off Transmission

z FW2 - 9 pshortbr 0.996 1.069 warm     cold
J FW2 - 10 pshortbr 1.170 1.330 warm     cold
H FW2 - 5 pshortbr 1.490 1.780 warm     cold
Ks FW2 - 2 pcblnkxl 1.990 2.310 warm     cold
Br-γ FW2 - 7 pcblnkxl 2.150 2.182 warm     cold
K-continuum FW2 - 12 pcblnkxl 2.253 2.287 warm     cold
H-continuum FW1 - 11 pshortbr 1.558 1.582 warm     cold
[FeII] FW1 - 5 pshortbr 1.632 1.656 warm     cold
H2 v=1-0 FW1 - 10 pcblnkxl 2.106 2.138 warm     cold
H2 v=2-1 FW1 - 4 pcblnkxl 2.231 2.265 warm     cold
CH4-1 FW1 - 3 pshortbr 1.640 1.740 warm     cold
HeI FW2 - 6 pcblnkxl 2.043 2.073 warm     cold
Bandpass FW2 - 3 pcblnk 1.4 2.5 warm     cold

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Last Updated: 10 April 2004
Mischa Schirmer ( )