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
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.
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.
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.
WG-360 0.00 0.00 KPNO 2.1-meter Telescope GoldCam 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.
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.
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.
GG-400 0.00 0.00 KPNO 2.1-meter Telescope GoldCam GG-400 GG-400 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
3-75 0.00 0.00 KPNO 2.1-meter Telescope GoldCam 3-75 3-75 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
GG-420 0.00 0.00 KPNO 2.1-meter Telescope GoldCam GG-420 GG-420 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
BG-1 1411.60 4095.26 KPNO 2.1-meter Telescope GoldCam BG-1 BG-1 Beware of red leak. Bandpass Filter.
GG-420 0.00 0.00 KPNO 2.1-meter Telescope GoldCam GG-420 GG-420 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
BG-12 1411.60 4095.26 KPNO 2.1-meter Telescope GoldCam BG-12 BG-12 Beware of red leak. Bandpass Filter.
GG-420 0.00 0.00 KPNO 2.1-meter Telescope GoldCam GG-420 GG-420 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
BG-38-1 2657.20 4896.52 KPNO 2.1-meter Telescope GoldCam BG-38-1 BG-38-1 Beware of red leak. Bandpass Filter.
GG-455 0.00 0.00 KPNO 2.1-meter Telescope GoldCam GG-455 GG-455 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
BG-38-1 2657.20 4896.52 KPNO 2.1-meter Telescope GoldCam BG-38-1 BG-38-1 Beware of red leak. Bandpass Filter.
GG-455 0.00 0.00 KPNO 2.1-meter Telescope GoldCam GG-455 GG-455 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
BG-38-2 2657.20 4896.52 KPNO 2.1-meter Telescope GoldCam BG-38-2 BG-38-2 Beware of red leak. Bandpass Filter.
GG-475 0.00 0.00 KPNO 2.1-meter Telescope GoldCam GG-475 GG-475 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
BG-39 2359.51 4773.35 KPNO 2.1-meter Telescope GoldCam BG-39 BG-39 Beware of red leak. Bandpass Filter.
GG-495 0.00 0.00 KPNO 2.1-meter Telescope GoldCam GG-495 GG-495 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
KG-3 0.00 0.00 KPNO 2.1-meter Telescope GoldCam KG-3 KG-3 Bandpass Filter.
OG-530 0.00 0.00 KPNO 2.1-meter Telescope GoldCam OG-530 OG-530 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.
KP1497 77.75 6780.91 Nicholas U. Mayall 4-meter Telescope KOSMOS KP1497 KP1497 KOSMOS Approved KPNO 4in. Filter.
KP1498 74.96 6823.53 Nicholas U. Mayall 4-meter Telescope KOSMOS KP1498 KP1498 KOSMOS Approved KPNO 4in. Filter.
KP1517 76.36 6866.80 Nicholas U. Mayall 4-meter Telescope KOSMOS KP1517 KP1517 KOSMOS Approved KPNO 4in. Filter.
BG38 2950.00 5010.00 Nicholas U. Mayall 4-meter Telescope KOSMOS BG38 BG38 Bandpass filter. For engineering purposes, not available to users.
GG455 0.00 4565.00 Nicholas U. Mayall 4-meter Telescope KOSMOS GG455 GG455 KOSMOS dedicated blocker
GG495 0.00 4950.00 Nicholas U. Mayall 4-meter Telescope KOSMOS GG495 GG495 KOSMOS dedicated blocker
GG530 0.00 5225.00 Nicholas U. Mayall 4-meter Telescope KOSMOS GG530 GG530 KOSMOS dedicated blocker
GG395 0.00 4005.00 Nicholas U. Mayall 4-meter Telescope KOSMOS GG395 GG395 KOSMOS dedicated blocker
KP1519 28.91 6550.15 Nicholas U. Mayall 4-meter Telescope KOSMOS KP1519 KP1519 KOSMOS Approved KPNO 4in. Filter.
OG570 0.00 5675.00 Nicholas U. Mayall 4-meter Telescope KOSMOS OG570 OG570 KOSMOS dedicated blocker
KP1468 85.86 6556.02 Nicholas U. Mayall 4-meter Telescope KOSMOS KP1468 KP1468 KOSMOS Approved KPNO 4in. Filter.
KP811 88.46 6563.62 Nicholas U. Mayall 4-meter Telescope KOSMOS KP811 KP811 KOSMOS Approved KPNO 4in. Filter.
KP1390 72.39 6577.44 Nicholas U. Mayall 4-meter Telescope KOSMOS KP1390 KP1390 KOSMOS Approved KPNO 4in. Filter.
KP1391 68.39 6608.47 Nicholas U. Mayall 4-meter Telescope KOSMOS KP1391 KP1391 KOSMOS Approved KPNO 4in. Filter.
KP1494 86.37 6647.82 Nicholas U. Mayall 4-meter Telescope KOSMOS KP1494 KP1494 KOSMOS Approved KPNO 4in. Filter.
KP1495 78.15 6685.37 Nicholas U. Mayall 4-meter Telescope KOSMOS KP1495 KP1495 KOSMOS Approved KPNO 4in. Filter.
KP1496 84.11 6742.88 Nicholas U. Mayall 4-meter Telescope KOSMOS KP1496 KP1496 KOSMOS Approved KPNO 4in. Filter.
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.
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.
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.
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.
GG-455 0.00 0.00 Nicholas U. Mayall 4-meter Telescope RC Spectrograph GG-455 GG-455 Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined.

Updated on June 27, 2022, 11:32 am