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
Halpha 64.00 6559.00 WIYN 3.5-meter Telescope Hydra Halpha SIZE: 3x3-5.61mm.
Halpha 656375-3 64.00 6559.00 SMARTS Consortium: 0.9-meter Telescope BLANK Halpha 656375-3 Size: 3x3 Thick: 5.61
Halpha 656375-4 68.00 6567.00 SMARTS Consortium: 0.9-meter Telescope BLANK Halpha 656375-4 Size: 4x4 Thick: 5.54
Harris B 1069.00 4312.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris B Harris B new 7/98
Harris B 1061.00 4334.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris B Harris B 2.1 meter set
Harris B 1020.00 4340.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris B Harris B Not available
Harris R 1559.00 6531.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris R Harris R Not available
Harris R 1472.00 6458.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris R Harris R 2.1 meter set
Harris R 1472.00 6458.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Not available
Harris R 1541.00 6425.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris R Harris R Not available
Harris set B- spare 1041.00 4342.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris set B- spare Harris set B- spare
Harris set R- spare 1515.00 6488.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris set R- spare Harris set R- spare
Harris set V- spare 1015.00 5417.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris set V- spare Harris set V- spare
Harris V 1004.00 5436.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris V Harris V Not available
Harris V 1021.00 5433.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris V Harris V
Harris V 1059.00 5397.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris V Harris V 2.1 meter set
Hb-narrow 30.00 4854.00 WIYN 0.9-meter Telescope S2KB Hb-narrow Hb-narrow 01-2013
Hb-wide 139.00 4875.00 WIYN 0.9-meter Telescope S2KB Hb-wide Hb-wide 01-2013
HBeta 63.00 4871.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters HBeta HBeta Replaces 804
HC 1498.00 32950.00 Gemini North NIRI HC HC needs to be updated
HCONT 220.00 15700.00 Gemini North NIRI HCONT HCONT
Hcont_G1108 234.00 15700.00 Gemini South GSAOI Hcont_G1108 Hcont_G1108
He I 20618.00 Víctor M. Blanco 4-meter Telescope ISPI ISPI Narrow Band Filters. Wavelengths @80% (micron): 2,0545 - 2,0674
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.
He I 94.00 1082.00 WIYN 3.5-meter Telescope WHIRC He I
He I / C IV 290.00 20650.00 SOAR Telescope SPARTAN IR Width [km/s]: 4150. Note that SPARTAN filters are permanently mounted in the instrument, and therefore are always available and need not be specified in Instrument Setup forms.
He II 21911.00 Víctor M. Blanco 4-meter Telescope ISPI ISPI Narrow Band Filters. Wavelengths @80% (micron): 2,1845 - 2,1976
HE12P2S 294.00 20595.00 Gemini North NIRI HE12P2S HE12P2S
HEI 178.00 10830.00 Gemini North NIRI HEI HEI
HeI-2p2s_G1120 284.00 20580.00 Gemini South GSAOI HeI-2p2s_G1120 HeI-2p2s_G1120
HeI1083_G1115 163.00 10830.00 Gemini South GSAOI HeI1083_G1115 HeI1083_G1115
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
HeIIC_G0321 77.00 4780.00 Gemini North GMOS-N HeIIC_G0321 HeIIC_G0321
HeIIC_G0341 75.00 4780.00 Gemini South GMOS-S HeIIC_G0341 HeIIC_G0341
HK 12541.00 18710.00 Gemini South FLAMINGOS2 HK HK
HST "I" 2560.00 8310.00 WIYN 3.5-meter Telescope Hydra HST "I" SIZE: 4x4-5.43mm.
HST "I" 2560.00 8310.00 WIYN 3.5-meter Telescope Hydra HST "I" SIZE: 4x4-5.43mm.
HST "I" 8300/2500 2560.00 8310.00 SMARTS Consortium: 0.9-meter Telescope BLANK HST "I" 8300/2500 Size: 4x4 Thick: 5.43
HST "V" 1625.00 5292.00 WIYN 3.5-meter Telescope Hydra HST "V" SIZE: 4x4-5.24mm.
HST "V" 1625.00 5292.00 WIYN 3.5-meter Telescope Hydra HST "V" SIZE: 4x4-5.24mm.
HST "V" 5295/1590 1625.00 5292.00 SMARTS Consortium: 0.9-meter Telescope BLANK HST "V" 5295/1590 Size: 4x4 Thick: 5.24
HST f555w 1597.00 5305.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters HST f555w HST f555w
HST f814w 2509.00 8289.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters HST f814w HST f814w
HX 308.00 1631.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM HX
Hydra EC#10 422.00 5439.00 BLANK Hydra, Hydra Echelle Mode Hydra EC#10 Order: 10.25
Hydra EC#11 379.00 5186.00 BLANK Hydra, Hydra Echelle Mode Hydra EC#11 Order: 10.75
Hydra EC#12 341.00 4955.00 BLANK Hydra, Hydra Echelle Mode Hydra EC#12 Order: 11.25
Hydra EC#13 309.00 4745.00 BLANK Hydra, Hydra Echelle Mode Hydra EC#13 Order: 11.75
Hydra EC#14 280.00 4551.00 BLANK Hydra, Hydra Echelle Mode Hydra EC#14 Order: 12.25