1. Programs & Projects
  2. Mid-Scale Observatories — Kitt Peak National Observatory
  3. Filter Information
  4. Filter Information

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
[Fe II] 45 162.00 1668.00 WIYN 3.5-meter Telescope WHIRC [Fe II] 45
H 310.00 1651.00 WIYN 3.5-meter Telescope WHIRC H
1644 nm, 1644 17.20 1649.10 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1644 nm, 1644 Use with 3302
[Fe II] 164.00 1646.00 WIYN 3.5-meter Telescope WHIRC [Fe II]
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.
HX 308.00 1631.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM HX
H 127 286.00 1627.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM H 127 Use with 3103, 3203
H1 + 2 blocker, Yale H1 +2 blcoker 472.00 1622.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM Use with 3101, 3102, 3201, 3202
1644 blocker [Fe II] blocker 451.00 1593.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1644 blocker [Fe II] blocker Use with 3301
H1, Yale H1 174.70 1555.70 Nicholas U. Mayall 4-meter Telescope NEWFIRM Use with 3203
J blocker 533.00 1322.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM J blocker Use with 2101, 2102
Pa β 45 133.00 1303.00 WIYN 3.5-meter Telescope WHIRC Pa β 45 The Pa β 45 and CO-n filters were removed from WHIRC in January 2012 and replaced by the CN and CO-w filters.
J3, Yale J3 151.60 1283.70 Nicholas U. Mayall 4-meter Telescope NEWFIRM Use with 2205
Pa β 158.00 1280.00 WIYN 3.5-meter Telescope WHIRC Pa β
J2+3 blocker, Yale J2+3 blocker 442.00 1272.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM Use with 2203, 2204
J 253 158.00 1252.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM Use with 2103.
J 162.00 1250.00 WIYN 3.5-meter Telescope WHIRC J
JX 178.00 1246.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM JX
J 241 158.00 1246.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM Use with 2103. These filters have never been used in NEWFIRM
J2, Yale J2 152.80 1190.30 Nicholas U. Mayall 4-meter Telescope NEWFIRM Use with 2205
1187 test 11.60 1190.20 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1187 test Use with 2104. On loan; returned to vendor 05 Feb 2008. These filters have never been used in NEWFIRM.
1187 nm 1187, 1.19 μm continuum 11.10 1186.40 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1187 nm 1187, 1.19 μm continuum Use with 2104.
CN 168.00 1107.00 WIYN 3.5-meter Telescope WHIRC CN The Pa β 45 and CO-n filters were removed from WHIRC in January 2012 and replaced by the CN and CO-w filters.
J1 blocker, Yale J1 blocker 321.00 1097.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM Use with 2201
He I 94.00 1082.00 WIYN 3.5-meter Telescope WHIRC He I
1060 blocker, 1 μm blocker, 1056 + 1063 blocker 1063.50 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1060 blocker, 1 μm blocker, 1056 + 1063 blocker Use with 1401, 1402
1063 nm, 1063 0.81 1063.09 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1063 nm, 1063 Use with 1403
Low airglow 132.00 1060.00 WIYN 3.5-meter Telescope WHIRC Low airglow
1056 nm, 1056 0.74 1056.37 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1056 nm, 1056 Use with 1403
J1, Yale J1 160.60 1048.40 Nicholas U. Mayall 4-meter Telescope NEWFIRM Use with 2202
C IV 2.00 Víctor M. Blanco 4-meter Telescope ISPI ISPI Narrow Band Filters. Wavelengths @80% (micron): 2,0753 - 2,0892
Y 1000.00 1.00 SOAR Telescope SPARTAN IR
OG-550 0.00 0.00 KPNO 2.1-meter Telescope GoldCam OG-550 OG-550 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
GG-375 0.00 0.00 Nicholas U. Mayall 4-meter Telescope RC Spectrograph GG-375 GG-375 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
CUSO4 liq 0.00 0.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter
CuS04 Crystal 0.00 0.00 KPNO 2.1-meter Telescope GoldCam CuS04 Crystal CuS04 Crystal Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
OG-570 0.00 0.00 KPNO 2.1-meter Telescope GoldCam OG-570 OG-570 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
GG-385 0.00 0.00 Nicholas U. Mayall 4-meter Telescope RC Spectrograph GG-385 GG-385 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
CUSO4 liq 0.00 0.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter
WG-320 0.00 0.00 KPNO 2.1-meter Telescope GoldCam WG-320 WG-320 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
RG-610 0.00 0.00 KPNO 2.1-meter Telescope GoldCam RG-610 RG-610 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
GG-400b 0.00 0.00 Nicholas U. Mayall 4-meter Telescope RC Spectrograph GG-400b GG-400b Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
kp1339a 0.00 0.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1339a gunn set 'z' from stsci RG850 3mm
RG610_G0331 0.00 0.00 Gemini South GMOS-S RG610_G0331 RG610_G0331
WG-345 0.00 0.00 KPNO 2.1-meter Telescope GoldCam WG-345 WG-345 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
RG-610 0.00 0.00 KPNO 2.1-meter Telescope GoldCam RG-610 RG-610 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
GG-420 0.00 0.00 Nicholas U. Mayall 4-meter Telescope RC Spectrograph GG-420 GG-420 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
kp1315a 0.00 0.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1315a nearly mould RG1000
GG455_G0305 0.00 0.00 Gemini North GMOS-N GG455_G0305 GG455_G0305
RG780_G0334 0.00 0.00 Gemini South GMOS-S RG780_G0334 RG780_G0334
Showing 951 - 1000 of 1258

Updated on June 27, 2022, 11:32 am