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
kp6916b 78.00 6918.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter halpha set combined
kp7580b 90.00 7584.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter halpha set combined
kp1309b KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1309b
kp1309c KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1309c
kp22 110.00 8453.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter i r filter
kp1219 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1219
kp1548 39.00 3736.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1548 kp1548 Replaces 1277 1278; damaged coating?
Tyson Bj 1523.00 4406.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Tyson Bj Tyson Bj Given by Tony Tyson
kp1389 53.00 5026.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1389 kp1389 Andover
Wash set - t1 651.00 6251.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Wash set - t1 Wash set - t1
H-alpha 72.00 6587.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Andover
SDSS I' 1500.00 7734.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters SDSS I' SDSS I' Sloan Digital Sky Survey set
GG-375 0.00 0.00 KPNO 2.1-meter Telescope GoldCam GG-375 GG-375 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
RG-695 0.00 0.00 KPNO 2.1-meter Telescope GoldCam RG-695 RG-695 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
kp1305_13 0.00 0.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter nearly mould U-omega
kp350b 423.00 3544.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp350b stromgren u 4c set b
kp522 62.00 3753.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter
kp1456e 158.00 4117.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1456e stromgren v
kp253 16.00 4362.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp253 nebular set
kp1306c 1072.00 4437.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306c nearly mould B-omega
kp1410 79.00 4519.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter DDO SET
kp1457d 170.00 4727.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1457d stromgren b
kp524 51.00 4933.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp524 video camera
kp1535 988.00 5086.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1535 wash set m
kp1405_1 1000.00 5369.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1405_1 Harris set bg39,gg495
kp1094 93.00 5468.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1094
kp1307e 1116.00 5480.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1307e nearly mould V-omega
kp1112 1109.00 5556.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1112 bessell system k p
kp1521 14.00 6305.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1521 replaces 1415
kp1267_14 1208.00 6470.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1267_14 mould system R
kp1217 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1217
kp795 10.00 6563.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp795 nebular set
kp1345 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1345
kp798 7.00 6718.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp798 SII bad red leak at 1000nm
kp6961a 77.00 6960.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter halpha set combined
kp7630b 82.00 7629.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp7630b halpha set combined
kp1080 475.00 8194.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter
kp1493 372.00 8238.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1493 pierce, mike ordered
kp1357 3141.00 8816.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter saao 3mm RG-9 4mm quartz
kp920 933.00 10205.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp920
Washington C 1044.00 3866.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Washington C Washington C Revised 8/95 (Schott glass)
Hale-Bopp Blue Continuum 62.00 4449.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
Washington - m 1012.00 5097.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Washington - m Washington - m Corning glass
SDSS r' 1483.00 6265.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters SDSS r' SDSS r' Sloan Digital Sky Survey set
H-alpha6_2 74.00 6618.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha6_2 H-alpha6_2 =+6nm set2
Gunn I 1289.00 8156.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn I Gunn I
GG-385 0.00 0.00 KPNO 2.1-meter Telescope GoldCam GG-385 GG-385 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
0-51 0.00 0.00 KPNO 2.1-meter Telescope GoldCam 0-51 0-51 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
kp1100 0.00 0.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1100 video camera
kp350c 428.00 3560.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp350c stromgren u 4c set c

Updated on June 27, 2022, 11:32 am