Filter Information

Plots and data included with most lists.

Instructions for Fast Beam Simulations

Glass Filter Spectral Transmission Curves from Schott Catalog (reproduced with permission from Schott Glass Technologies, Inc.)

Filter Loan Request Form - PDF fill-in form (if using Adobe Reader).   Or, use the MS-Word version.
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NOIRLab Filter Database

Filter FWHM (Å) CWL (Å) Telescope Instrument Plot Data Comments
Gunn i 1600.00 8065.00 WIYN 3.5-meter Telescope Hydra SIZE: 4x4-9.22mm.
Gunn i 1600.00 8065.00 WIYN 3.5-meter Telescope Hydra SIZE: 4x4-9.22mm.
Gunn I 1289.00 8156.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn I Gunn I
Gunn i 8120/1500 1600.00 8065.00 SMARTS Consortium: 0.9-meter Telescope BLANK Gunn i 8120/1500 Size: 4x4 Thick: 9.22
Gunn r 803.00 6527.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn r Gunn r B1/K1
Gunn r 900.00 6495.00 WIYN 3.5-meter Telescope Hydra Gunn r SIZE: 4x4-9.19mm.
Gunn r 790.00 6484.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn r Gunn r
Gunn r 900.00 6495.00 WIYN 3.5-meter Telescope Hydra Gunn r SIZE: 4x4-9.19mm.
Gunn r 6560/900 900.00 6495.00 SMARTS Consortium: 0.9-meter Telescope BLANK Gunn r 6560/900 Size: 4x4 Thick: 9.19
Gunn u KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn u
Gunn u 508.00 3463.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn u Gunn u
Gunn v KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn v Gunn v
Gunn v 472.00 3969.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn v Gunn v 3mmBG38, 4mmUG3, 1mmBG1, 1mmGG385
Gunn z 0.00 8495.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn z Gunn z RG850
H 2910.00 16500.00 Gemini North NIRI H H
H 310.00 1651.00 WIYN 3.5-meter Telescope WHIRC H
H 2870.00 16320.00 SOAR Telescope SPARTAN IR
H 16350.00 Víctor M. Blanco 4-meter Telescope ISPI ISPI Broad Band Filter. Wavelengths @80% (micron): 1.5005 - 1.7705
H 179.00 15700.00 Gemini North NIRI H H
H 2902.00 16310.00 Gemini South FLAMINGOS2 H H
H + K blocker 1320.00 2030.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM H + K blocker Use with 3101, 3102
H 127 286.00 1627.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM H 127 Use with 3103, 3203
H 133 286.00 1634.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM Use with 3103, 3203. These filters have never been used in NEWFIRM.
H_G1103 2855.00 16350.00 Gemini South GSAOI H_G1103 H_G1103
H-alpha 32.00 6565.00 Gemini South ZORRO H-alpha H-alpha not convolved with dichroic
H-alpha 59.00 6577.00 WIYN 0.9-meter Telescope S2KB H-alpha Bandpass.
H-alpha 59.00 6577.00 WIYN 0.9-meter Telescope S2KB H-alpha H-alpha 10-2007
H-alpha 84.00 6567.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Andover [set1?]
H-alpha 89.00 6572.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Some edge deterioration
H-alpha 72.00 6587.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Andover
H-alpha 32.00 6565.00 Gemini North ALOPEKE H-alpha H-alpha not convolved with dichroic
H-alpha +13nm 78.00 6691.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +13nm H-alpha +13nm set1
H-alpha +18nm 83.00 6746.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +18nm H-alpha +18nm set1
H-alpha +22nm 78.00 6786.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +22nm H-alpha +22nm set1
H-alpha +27nm 75.00 6832.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +27nm H-alpha +27nm set1
H-alpha +31nm 76.00 6877.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +31nm H-alpha +31nm set1
H-alpha +6nm 67.00 6620.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +6nm H-alpha +6nm Andover
H-alpha +9nm 84.00 6658.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +9nm H-alpha +9nm set1
H-alpha narrow 29.00 6560.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha narrow H-alpha narrow has red leak
H-alpha_2 67.00 6573.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha_2 H-alpha_2 set2
H-alpha+12nm 63.00 6700.00 WIYN 0.9-meter Telescope S2KB H-alpha+12nm Bandpass.
H-alpha+12nm 63.00 6700.00 WIYN 0.9-meter Telescope S2KB H-alpha+12nm H-alpha+12nm 10-2007
H-alpha+16nm 60.00 6742.00 WIYN 0.9-meter Telescope S2KB H-alpha+16nm H-alpha+16nm 4-2008
H-alpha+4nm 60.00 6618.00 WIYN 0.9-meter Telescope S2KB H-alpha+4nm Bandpass.
H-alpha+4nm 60.00 6618.00 WIYN 0.9-meter Telescope S2KB H-alpha+4nm H-alpha+4nm 10-2007
H-alpha+8nm 60.00 6658.00 WIYN 0.9-meter Telescope S2KB H-alpha+8nm H-alpha+8nm 10-2007
H-alpha+8nm 60.00 6658.00 WIYN 0.9-meter Telescope S2KB H-alpha+8nm Bandpass.
H-alpha14_2 71.00 6709.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha14_2 H-alpha14_2 =+14nm set2
H-alpha6_2 74.00 6618.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha6_2 H-alpha6_2 =+6nm set2
H-alpha9_2 68.00 6653.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha9_2 H-alpha9_2 =+9nm set2