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
V Tek set #1 1000.00 5475.00 WIYN 3.5-meter Telescope Hydra V Tek set #1 SIZE: 3x3
r Gunn-T 1000.00 6728.00 WIYN 3.5-meter Telescope Hydra r Gunn-T SIZE: 3x3-05.05mm.
kp1360 997.00 4383.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter saao for makeup see saao memo
GG385 994.00 4363.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters GG385 GG385 2mm + BG12 2mm
B Harris k1002 993.88 4381.00 Nicholas U. Mayall 4-meter Telescope Mosaic B Harris k1002 B Harris k1002 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.
M Wash. 990.00 5040.00 WIYN 3.5-meter Telescope Hydra M Wash. M Wash. SIZE: 4x4-8.25mm.
B Harris c6002 990.00 4360.00 Nicholas U. Mayall 4-meter Telescope Mosaic B Harris c6002 B Harris c6002 Note: The central wavelength of CTIO Mosaic narrow band filters (actually all filters, but is very significant for narrow band filters) is shifted ~15A to the BLUE in the f/2.87 beam of the Blanco 4m + PFADC corrector as compared to the transmission measured in parallel light. The central wavelength quoted below is nominally for when the filter is used at PF, with the ~15A shift included. Furthermore, the filter transmission curve presented below shows the simulated filter transmission curve for the Blanco 4m + PFADC f/2.87 beam.
M Wash. 5040/990 990.00 5040.00 SMARTS Consortium: 0.9-meter Telescope BLANK M Wash. 5040/990 M Wash. 5040/990 Size: 4x4 Thick: 8.25
M Wash 990.00 5040.00 WIYN 3.5-meter Telescope Hydra M Wash. M Wash. SIZE: 4x4-8.25mm.
kp1428_4 989.00 5416.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1428_4 harris set V
kp1535 988.00 5086.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1535 wash set m
kp1417_2 987.00 5395.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1417_2 harris set V
kp179 986.00 4372.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp179 bessell system revised k p B
kp179 986.00 4372.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp179 bessell system revised k p B
Y 978.00 10200.00 Gemini North NIRI Y Y
kp1500 969.00 5440.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1500 arlo's ccd harris set
V Harris k1003 948.66 5386.76 Nicholas U. Mayall 4-meter Telescope Mosaic V Harris k1003 V Harris k1003 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.
V Harris c6026 940.00 5370.00 Nicholas U. Mayall 4-meter Telescope Mosaic V Harris c6026 V Harris c6026 Note: The central wavelength of CTIO Mosaic narrow band filters (actually all filters, but is very significant for narrow band filters) is shifted ~15A to the BLUE in the f/2.87 beam of the Blanco 4m + PFADC corrector as compared to the transmission measured in parallel light. The central wavelength quoted below is nominally for when the filter is used at PF, with the ~15A shift included. Furthermore, the filter transmission curve presented below shows the simulated filter transmission curve for the Blanco 4m + PFADC f/2.87 beam.
Z_G0322 936.00 8760.00 Gemini North GMOS-N Z_G0322 Z_G0322
V Harris 936.00 5399.00 WIYN 0.9-meter Telescope S2KB V Harris V Harris 04-2003
Z_G0322 936.00 8760.00 Gemini South GMOS-S Z_G0322 Z_G0322
Z_G0343 936.00 8760.00 Gemini South GMOS-S Z_G0343 Z_G0343
kp920 933.00 10205.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp920
He I 920.00 10820.00 SOAR Telescope SPARTAN IR Width [km/s]: 2570. Note that SPARTAN filters are permanently mounted in the instrument, and therefore are always available and need not be specified in Instrument Setup forms.
CH4short_G1109 919.00 15800.00 Gemini South GSAOI CH4short_G1109 CH4short_G1109
kp971 916.00 5383.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp971 kinman system
kp740 910.00 4240.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter
kp1359 910.00 5385.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter saao 2mmGG495 3mmBG18 2mmKg3
Hydra EC#4 907.00 7689.00 BLANK Hydra, Hydra Echelle Mode Hydra EC#4 Order: 7.25
Gunn r 900.00 6495.00 WIYN 3.5-meter Telescope Hydra Gunn r SIZE: 4x4-9.19mm.
g Gunn-T 900.00 5118.00 WIYN 3.5-meter Telescope Hydra g Gunn-T g Gunn-T SIZE: 3x3-05.05mm.
Gunn r 900.00 6495.00 WIYN 3.5-meter Telescope Hydra Gunn r SIZE: 4x4-9.19mm.
g Gunn-T 5118/900 900.00 5118.00 SMARTS Consortium: 0.9-meter Telescope BLANK g Gunn-T 5118/900 g Gunn-T 5118/900 Size: 3x3 Thick: 5.05
Gunn r 6560/900 900.00 6495.00 SMARTS Consortium: 0.9-meter Telescope BLANK Gunn r 6560/900 Size: 4x4 Thick: 9.19
g Gunn-T 900.00 5118.00 WIYN 3.5-meter Telescope Hydra g Gunn-T g Gunn-T SIZE: 3x3-05.05mm.
kp1379a 894.00 5015.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1379a gunn set `g' from space tele
kp1266_14 889.00 5470.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter mould system V
kp741 889.00 5415.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp741 special V
kp1266_13 873.00 5460.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter mould system V
Osmer/Green R 871.00 6517.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Osmer/Green R Osmer/Green R
kp1266_12 859.00 5435.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter mould system V
kp1340a 846.00 6555.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter gunn set A 'r' from sp tel
Gunn r 803.00 6527.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn r Gunn r B1/K1
kp1303 800.00 4911.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1303 gunn set combined `g' kp omega (4930)
SAMI-V K-C 800.00 5500.00 SOAR Telescope SAM, SAMI SAMI-V K-C
Todd Boroson filter 2 798.00 6819.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Todd Boroson filter 2 Todd Boroson filter 2
kp1502 793.00 6479.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1502 gunn r spare via sp tel and omega
kp1502 793.00 6479.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1502 gunn r spare via sp tel and omega
Gunn r 790.00 6484.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn r Gunn r
CO2360_G1124 788.00 23600.00 Gemini South GSAOI CO2360_G1124 CO2360_G1124

Updated on June 27, 2022, 11:32 am