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NIRCam

for the James Webb Space Telescope

Filters

NIRCam filter transmission functions: Wide filters  Medium filters

Filter Wheel Layout | Wavelength Coverage

Name Center lambda 1 lambda 2 Bandpass Location %T Use
F070W 0.6950 0.6103 0.7797 0.1695 SW-Filt 0.910 general purpose
F090W 0.8989 0.7931 1.0046 0.2115 SW-Filt 0.948 general purpose
F115W 1.1457 1.0102 1.2812 0.2709 SW-Filt 0.864 general purpose
F150W 1.5002 1.3313 1.6690 0.3377 SW-Filt 0.941 general purpose
F150W2 1.5000 1.0000 2.0000 1.0000 SW-Filt ~0.8 DHS blocking
F200W 1.9909 1.7544 2.2274 0.473 SW-Filt 0.969 general purpose
F277W 2.7834 2.4311 3.1356 0.7045 LW-Filt 0.900 general purpose
F322W2 3.2262 2.4342 4.0182 1.5840 LW-Filt 0.908 background min.
F356W 3.5544 3.1379 3.9709 0.8331 LW-Filt 0.945 general purpose
F444W 4.4343 3.8833 4.9943 1.1199 LW-Filt 0.901 general purpose
F140M 1.4040 1.3300 1.4787 0.1486 SW-Filt 0.941 cool stars, steam
F162M 1.6268 1.5415 1.7121 0.1706 SW-Pup 0.972* cool stars, off-band for steam
F182M 1.8436 1.7214 1.9657 0.2442 SW-Filt 0.966 cool stars, steam
F210M 2.0937 1.9906 2.1968 0.2062 SW-Filt 0.965 methane
F250M 2.5035 2.4123 2.5946 0.1823 LW-Filt 0.868 methane
F300M 2.9927 2.8312 3.1542 0.3230 LW-Filt 0.905 water ice
F335M 3.3585 3.1828 3.5343 0.3515 LW-Filt 0.900 PAH
F360M 3.6170 3.4238 3.8102 0.3864 LW-Filt 0.879 brown dwarfs, planets
F410M 4.0918 3.8782 4.3054 0.4272 LW-Filt 0.881 brown dwarfs, planets
F430M 4.2816 4.1645 4.3986 0.2342 LW-Filt 0.861 carbon dioxide
F460M 4.6272 4.5113 4.7432 0.2319 LW-Filt 0.762 CO
F480M 4.8024 4.6564 4.9484 0.2921 LW-Filt 0.778 brown dwarfs, planets
F164N 1.6442 1.6352 1.6531 0.0179 SW-Pup 0.809* [Fe-II]
F187N 1.8747 1.8642 1.8852 0.0210 SW-Filt 0.802 P-alpha
F212N 2.1209 2.1102 2.1315 0.0213 SW-Filt 0.804 molecular hydrogen
F323N 3.2361 3.2167 3.2556 0.0390 LW-Pup 0.709* molecular hydrogen
F405N 4.0503 4.0279 4.0728 0.0449 LW-Pup 0.744* Br-alpha
F466N 4.6548 4.6290 4.6805 0.0516 LW-Pup 0.688* CO
F470N 4.7080 4.6838 4.7321 0.0483 LW-Pup 0.646* molecular hydrogen

Wavelengths in microns

* Filter must be used in series with another filter; transmission is for this filter only.


Filter Wheel Layout



filter wheel layout

Wavelength Coverage



wavelength coverage
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