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.
{ Please fill out and send the signed form via either email (richard.joyce@noirlab.edu), or mail (950 North Cherry Avenue # Tucson, AZ 85719) }

NOIRLab Filter Database

Filter FWHM (Å) CWL (Å) Telescope Instrument Plot Data Comments
kp1306e 1135.00 4430.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306e nearly mould B-omega
kp1311a 1113.00 4434.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1311a nearly mould B-omega
kp1306c 1072.00 4437.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306c nearly mould B-omega
kp1306c 1072.00 4437.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306c nearly mould B-omega
kp1306d 1105.00 4440.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306d nearly mould B-omega
kp1306d 1105.00 4440.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306d nearly mould B-omega
kp1306b 1093.00 4444.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306b nearly mould B-omega
kp1306b 1093.00 4444.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306b nearly mould B-omega
kp1306a 1102.00 4447.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306a nearly mould B-omega
kp1306a 1102.00 4447.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306a nearly mould B-omega
Hale-Bopp Blue Continuum 62.00 4449.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
kp970 1068.00 4449.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp970 kinman system
kp489 1114.00 4453.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp489 video camera
kp1265_11 1152.00 4454.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1265_11 mould system B
kp1311b 1115.00 4459.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1311b nearly mould B-omega
kp1265_14 1182.00 4460.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1265_14 mould system
kp1095 1127.00 4464.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1095 video camera
kp249 24.00 4480.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp249 from sao
kp1212 1524.00 4509.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1212
kp1212 1524.00 4509.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1212
kp1410 79.00 4519.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter DDO SET
GG-455 4550.00 SOAR Telescope Goodman Goodman Spectrograph circular 4 inch diameter filters - Cutoff wavelength: < 455
Hydra EC#14 280.00 4551.00 BLANK Hydra, Hydra Echelle Mode Hydra EC#14 Order: 12.25
kp994 164.00 4556.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter Has major red leak!
GG455 0.00 4565.00 Nicholas U. Mayall 4-meter Telescope KOSMOS GG455 GG455 KOSMOS dedicated blocker
kp1210 1376.00 4585.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1210
kp1033 92.00 4605.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1033
kp1032 92.00 4608.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1032
kp1034 93.00 4610.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1034
kp1032 93.00 4612.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1032
kp1035 93.00 4615.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1035
wrc3 WR CIII k1021 51.71 4666.15 Nicholas U. Mayall 4-meter Telescope Mosaic wrc3 WR CIII k1021 wrc3 WR CIII k1021 Note that there is a shift in central wavelength when placed in different f/ratio beams.At the KPNO 4meter f/3.1 beam this corresponds to a shift of approximately 12 Angstroms bluer; at the CTIO 4meter f/2.9 this corresponds to a shift of approximately 15 Angstroms bluer; at the WIYN 0.9m f/7.9 this corresponds to a shift of approximately 5 Angstroms bluer. See the plot at the bottom of the page.
EO_466 440.00 4670.00 Gemini North ALOPEKE EO_466 EO_466 not convolved with dichroic
EO_466 440.00 4670.00 Gemini South ZORRO EO_466 EO_466 not convolved with dichroic
BG-39 2390.00 4679.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters BG-39 BG-39
HeII_G0320 72.00 4680.00 Gemini North GMOS-N HeII_G0320 HeII_G0320
HeII_G0340 74.00 4680.00 Gemini South GMOS-S HeII_G0340 HeII_G0340
kp1293 21.00 4687.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter nebular set
kp1271c 190.00 4687.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter stromgren b 4c set c
kp1523 16.00 4692.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1523 nebular set replaces kp1293
kp1523 16.00 4692.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1523 nebular set replaces kp1294
Stromgren b 229.00 4694.00 SOAR Telescope Goodman, SOI Stromgren b 4 x 4 Inches square filters for imaging with the Goodman HTS or with SOI (SOI can also use 3x3 inch filters without vignetting)
b Strom. 4x4 196.00 4697.00 WIYN 3.5-meter Telescope Hydra SIZE: 4x4-9.85mm.
b Strom.  4x4 4697/196 196.00 4697.00 SMARTS Consortium: 0.9-meter Telescope BLANK b Strom.  4x4 4697/196 b Strom.  4x4 4697/196 Size: 4x4 Thick: 9.85
b Strom. 4x4 196.00 4697.00 WIYN 3.5-meter Telescope Hydra SIZE: 4x4-9.85mm.
kp824a 172.00 4701.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp824a stromgren b 4c set a
wrhe2 WR HeII k1023 50.31 4702.60 Nicholas U. Mayall 4-meter Telescope Mosaic wrhe2 WR HeII k1023 wrhe2 WR HeII k1023 Note that there is a shift in central wavelength when placed in different f/ratio beams. At the KPNO 4meter f/3.1 beam this corresponds to a shift of approximately 12 Angstroms bluer; at the CTIO 4meter f/2.9 this corresponds to a shift of approximately 15 Angstroms bluer; at the WIYN 0.9m f/7.9 this corresponds to a shift of approximately 5 Angstroms bluer. See the plot at the bottom of the page.
kp823 172.00 4705.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter stromgren b 4c set b
Stromgren b 207.70 4718.00 WIYN 0.9-meter Telescope S2KB Stromgren b Stromgren b 01-2013
4-96 1643.57 4720.96 Nicholas U. Mayall 4-meter Telescope RC Spectrograph 4-96 4-96 Bandpass Filter.

Updated on June 27, 2022, 11:32 am