Filter Information
Plots and data included with most lists.
- Important Filter Information - updated Mar. 13, 2013
- Filters for the Mosaic Imager
- KPNO 4-Inch Filter List - includes Hale-Bopp comet filters.
- KPNO 2-Inch Filter List
- RC Spectrograph Order Separation Filters
- Echelle Spectrograph Filters Pre-slit and Post-slit
- Phoenix Order Sorting Filters
- NEWFIRM Filter Information
- FLAMINGOS Filters
- KOSMOS Filters
- GoldCam Spectrograph Order Separation Filters
- WIYN Imager Filter List 4 x 4 inch
- ODI Filter Information 428 x 445 mm
- WIYN Bench Spectrograph Filter List
- WHIRC Filters
- WIYN 0.9 Meter Filter Information
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 |
---|---|---|---|---|---|---|---|
I Nearly-Mould k1005 | Nicholas U. Mayall 4-meter Telescope | Mosaic | I Nearly-Mould k1005 | ||||
ha16 H-alpha+16nm k1013 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha16 H-alpha+16nm k1013 | ha16 H-alpha+16nm k1013 | Below is a plot of the transmission of this filter when used at telescopes with differing focal ratios and central obscurations; the KPNO 4m (f/3.1), the CTIO 4m (f/2.9), and the WIYN 0.9m (f/7.9). At the KPNO 4m f/3.1 the properties of this filter are: CWL=6705A, FWHM=81A, PEAK TRANSMISSION=91.7%. | ||
918R 918R_v1 k1028 | Nicholas U. Mayall 4-meter Telescope | Mosaic | 918R 918R_v1 k1028 | 918R 918R_v1 k1028 | |||
454 BATC k1054 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 454 BATC k1054 ** | 454 BATC k1054 ** | 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. | ||
802 BATC k1062 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 802 BATC k1062 ** | 802 BATC k1062 ** | 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. | ||
OCLI K Band Filter | Nicholas U. Mayall 4-meter Telescope | Flamingos | OCLI K Band Filter | OCLI K Band Filter | Cuton: 2.028 - Cutoff: 2.365 | ||
K4396 | Gemini South | Phoenix | K4396 | Start (cm-1 μm): 4355=2.296 - Stop (cm-1 μm): 4446=2.249 - Echelle order 25 | |||
z Gunn | WIYN 3.5-meter Telescope | Hydra | SIZE: 4x4 | ||||
He I | 20618.00 | Víctor M. Blanco 4-meter Telescope | ISPI | ISPI Narrow Band Filters. Wavelengths @80% (micron): 2,0545 - 2,0674 | |||
BG23 | BLANK | Hydra, Hydra Schott Glass | BG23 | Schott Glass Filters. Purpose: Bandpass ~330-620nm Thickness: 2mm | |||
kp1113 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1113 | ||||
kp1342a | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1342a | ||||
kp1309d | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1309d | ||||
wrc4 WR CIV k1024 | Nicholas U. Mayall 4-meter Telescope | Mosaic | wrc4 WR CIV k1024 | wrc4 WR CIV k1024 | Below is a plot of this filter as simulated in different f/ratio beams. At the KPNO 4m f/3.1 the properties of this filter are: CWL=5819A FWHM=42.17A PEAK TRANSMISSION=71.36% | ||
918R 918R_v1 k1028 | Nicholas U. Mayall 4-meter Telescope | Mosaic | 918R 918R_v1 k1028 | ||||
Ud Dey custom U k1045 | Nicholas U. Mayall 4-meter Telescope | Mosaic | Ud Dey custom U k1045 | Ud Dey custom U k1045 | |||
454 BATC k1054 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 454 BATC k1054 ** | 454 BATC k1054 ** | |||
802 BATC k1062 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 802 BATC k1062 ** | 802 BATC k1062 ** | |||
Janos JH Band Filter | Nicholas U. Mayall 4-meter Telescope | Flamingos | Janos JH Band Filter | Janos JH Band Filter | Cuton: 0.947 - Cutoff: 1.870 | ||
K4484 | Gemini South | Phoenix | K4484 | Start (cm-1 μm): 4429=2.250 - Stop (cm-1 μm): 4525=2.210 - Echelle order 25 | |||
z Gunn | WIYN 3.5-meter Telescope | Hydra | SIZE: 3x3 | ||||
SDSS i | WIYN 3.5-meter Telescope | Hydra | SDSS i | SIZE: 4x4 | |||
Johnson U | 3660.00 | SOAR Telescope | Goodman | Goodman Spectrograph circular 4 inch diameter filters - Central wavelength = 366 | |||
C IV | 2.00 | Víctor M. Blanco 4-meter Telescope | ISPI | ISPI Narrow Band Filters. Wavelengths @80% (micron): 2,0753 - 2,0892 | |||
V set#2 Schmidt 5443/1060 | SMARTS Consortium: 0.9-meter Telescope | BLANK | Size: 4x4 | ||||
BG39 | BLANK | Hydra, Hydra Schott Glass | BG39 | Schott Glass Filters. Purpose: Bandpass ~350-580nm Thickness: 2mm | |||
C Washington k1006 | Nicholas U. Mayall 4-meter Telescope | Mosaic | C Washington k1006 | C Washington k1006 | Below is a plot of the transmission of this filter when used at telescopes with differing focal ratios and central obscurations; the KPNO 4m (f/3.1), the CTIO 4m (f/2.9), and the WIYN 0.9m (f/7.9). At the KPNO 4m f/3.1 the properties of this filter are: CWL=3892A, FWHM=1030A, PEAK TRANSMISSION=77.4%. | ||
O3 OIII N2 k1014 * | Nicholas U. Mayall 4-meter Telescope | Mosaic | O3 OIII N2 k1014 * | O3 OIII N2 k1014 * | Below is a plot of the transmission of this filter when used at telescopes with differing focal ratios and central obscurations; the KPNO 4m (f/3.1), the CTIO 4m (f/2.9), and the WIYN 0.9m (f/7.9). At the KPNO 4m f/3.1 the properties of this filter are: CWL=5006A, FWHM=56A, PEAK TRANSMISSION=76%. | ||
918R 918R_v1 k1028 | Nicholas U. Mayall 4-meter Telescope | Mosaic | 918R 918R_v1 k1028 | 918R 918R_v1 k1028 | Below is a plot of the transmission of this filter when used at telescopes with differing focal ratios and central obscurations; the KPNO 4m (f/3.1) and the CTIO 4m (f/2.9). At the KPNO 4m f/3.1 the properties of this filter are: CWL=9140A, FWHM=81A, PEAK TRANSMISSION=84.7%. | ||
493 BATC k1055 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 493 BATC k1055 ** | 493 BATC k1055 ** | 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. | ||
848 BATC k1063 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 848 BATC k1063 ** | 848 BATC k1063 ** | 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. | ||
Janos HK Band Filter | Nicholas U. Mayall 4-meter Telescope | Flamingos | Janos HK Band Filter | Janos HK Band Filter | Cuton: 1.37 - Cutoff: 2.6 | ||
K4578 | Gemini South | Phoenix | K4578 | Start (cm-1 μm): 4525=2.210 - Stop (cm-1 μm): 4630=2.160 - Echelle order 26 | |||
Test | Hydra | ||||||
B set# 2 Schmidt | WIYN 3.5-meter Telescope | Hydra | B set# 2 Schmidt | SIZE: 4x4 | |||
Johnson B | 4360.00 | SOAR Telescope | Goodman | Goodman Spectrograph circular 4 inch diameter filters - Central wavelength = 436 | |||
H2 | 21262.00 | Víctor M. Blanco 4-meter Telescope | ISPI | ISPI Narrow Band Filters. Wavelengths @80% (micron): 2,125 - 2,146 | |||
GG385 | BLANK | Hydra, Hydra Schott Glass | GG385 | Schott Glass Filters. Purpose: Longpass > ~385nm Thickness: 2mm | |||
U k1001 | k1001, k1001frs, KPNO Mosaic Standard UBVRI and White Filters | k1001, k1001frs | 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. | ||||
kp1281a | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1281a | ||||
kp1309b | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1309b | ||||
kp1309c | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1309c | ||||
U k1001 | Nicholas U. Mayall 4-meter Telescope | Mosaic | U k1001 | U k1001 | |||
Bw NDWFS k1025 | Nicholas U. Mayall 4-meter Telescope | Mosaic | Bw NDWFS k1025 | Bw NDWFS k1025 | |||
815 815_v2 k1046 | Nicholas U. Mayall 4-meter Telescope | Mosaic | 815 815_v2 k1046 | 815 815_v2 k1046 | |||
493 BATC k1055 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 493 BATC k1055 ** | 493 BATC k1055 ** | |||
848 BATC k1063 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 848 BATC k1063 ** | 848 BATC k1063 ** | |||
James Rhoads Low-background J Filter | Nicholas U. Mayall 4-meter Telescope | Flamingos | James Rhoads Low-background J Filter | Cuton: 1.050 - Cutoff: 1.385 | |||
K4667 | Gemini South | Phoenix | K4667 | Start (cm-1 μm): 4617=2.166 - Stop (cm-1 μm): 4717=2.120 - Echelle order 26 | |||
V set#2 Schmidt | WIYN 3.5-meter Telescope | Hydra | V set#2 Schmidt | SIZE: 4x4 |
Pagination
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Updated on June 27, 2022, 11:32 am