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UIST Imaging


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Imaging: Current Filter Set

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UIST has two 24-slot filter wheels which contain filters for both imaging and for blocking the spectroscopy grisms. The MKO consortium filter set is installed where possible (see the discussion of new JHK standards for example). We list the imaging filters in the table below, the actual population of the filter wheels is also available. Click on the filter name to see an image of the profile; text files are also available giving transmission profiles for some of the filters, contact Watson P. Varricatt. The 3.6nbL' filter appears to have some surface damage and produces trailed images at a low level.

9 January 2007 -
Filter 50% Cut on, µm 50% Cut off, µm Peak Transmission, %
Y[MK] 0.966 1.078 94.12
Z[MK] 1.008 1.058 60
J[MK] 1.17 1.33 91
H[MK] 1.49 1.78 90
K[MK] 2.03 2.37 97
L'[MK] 3.428 4.108 92
M'[MK] 4.572 4.800 84
1.57(cont)[MK] 1.561 1.583 70
CH4_s 1.550 1.657 84
FeII[MK] 1.630 1.656 73
CH4_l 1.617 1.730 90
2.122(S1) 2.106 2.124 60
2.122 MK 2.103 2.134 85
BrG MK 2.150 2.182 69
2.248(S1) 2.234 2.269 66
2.248 MK 2.235 2.270 57
2.27cont[98] 2.257 2.291 66
2.42CO 2.413 2.436 66
K_s_MK 1.990 2.310 95.4
Klong 2.019 2.434 ~95
3.05ice MK 2.970 3.125 74
3.28"Dust" 3.250 3.305 48
3.29 PAH MK 3.264 3.318 70
3.4nbL 3.379 3.451 85
3.5mbL 3.383 3.594 82
3.6nbL' 3.560 3.625 73
3.99(cont) 3.964 4.016 80
BrA 4.025 4.080 85



Contact: Watson P. Varricatt. Updated: Wed May 2 13:25:41 HST 2007

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