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 |
---|---|---|---|---|---|---|---|
Replaces KP1443 | 256.00 | 5289.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Replaces KP1443 | Replaces KP1443 | |
kp809 | 67.00 | 6488.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | kp809 | kp809 | Minor edge separation |
H-alpha +18nm | 83.00 | 6746.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | H-alpha +18nm | H-alpha +18nm | set1 |
HST f814w | 2509.00 | 8289.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | HST f814w | HST f814w | |
Gunn u | 508.00 | 3463.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Gunn u | Gunn u | |
Stromgren v | 159.00 | 4103.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Stromgren v | Stromgren v | |
H-beta wide | 173.00 | 4871.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | H-beta wide | H-beta wide | |
HST f555w | 1597.00 | 5305.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | HST f555w | HST f555w | |
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 | |
H-alpha +22nm | 78.00 | 6786.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | H-alpha +22nm | H-alpha +22nm | set1 |
SDSS z' | 0.00 | 8325.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | SDSS z' | SDSS z' | Sloan Digital Sky Survey set |
Gunn u | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Gunn u | ||||
Hale-Bopp CO | 56.00 | 4265.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | |||
HBeta | 63.00 | 4871.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | HBeta | HBeta | Replaces 804 |
kp1443 | 265.00 | 5311.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | kp1443 | kp1443 | Spatially var. fringing, replaced by KP1582 - Not available |
Osmer/Green R | 871.00 | 6517.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Osmer/Green R | Osmer/Green R | |
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 | |
Gunn z | 0.00 | 8495.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Gunn z | Gunn z | RG850 |
SDSS u' | 628.00 | 3513.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | SDSS u' | SDSS u' | Sloan Digital Sky Survey set |
BG12 | 1015.00 | 4299.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | BG12 | BG12 | 1mm + GG385 2mm |
H-beta narrow | 25.00 | 4876.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | H-beta narrow | H-beta narrow | |
Harris V | 1059.00 | 5397.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Harris V | Harris V | 2.1 meter set |
Gunn r | 803.00 | 6527.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Gunn r | Gunn r | B1/K1 |
H-alpha +27nm | 75.00 | 6832.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | H-alpha +27nm | H-alpha +27nm | set1 |
Mike Irvin's Z | 0.00 | 8525.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Mike Irvin's Z | Mike Irvin's Z | |
Stromgren u | 278.00 | 3537.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Stromgren u | Stromgren u | UG11+WG345 |
Harris B | 1069.00 | 4312.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Harris B | Harris B | new 7/98 |
Washington c48 | 200.00 | 4898.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Washington c48 | Washington c48 | Washington set, property of Doug Welch, McMaster Univ |
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 R | 1559.00 | 6531.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Harris R | Harris R | Not available |
H-alpha +31nm | 76.00 | 6877.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | H-alpha +31nm | H-alpha +31nm | set1 |
Osmer/Green 8600 | 690.00 | 8642.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Osmer/Green 8600 | Osmer/Green 8600 | Green 8600 |
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%. | ||
wrc4 WR CIV k1024 | 41.79 | 5828.71 | Nicholas U. Mayall 4-meter Telescope | Mosaic | wrc4 WR CIV k1024 | wrc4 WR CIV k1024 | 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. See the plot at the bottom of the page. |
918R 918R_v1 k1028 | Nicholas U. Mayall 4-meter Telescope | Mosaic | 918R 918R_v1 k1028 | 918R 918R_v1 k1028 | |||
Ud Dey custom U k1045 | 329.76 | 3485.23 | Nicholas U. Mayall 4-meter Telescope | Mosaic | Ud Dey custom U k1045 | Ud Dey custom U k1045 | 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. |
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. | ||
ha H-alpha c6009 | 80.00 | 6563.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha H-alpha c6009 | ha H-alpha c6009 | 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. |
C Washington k1006 | 1034.00 | 3860.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | C Washington k1006 | C Washington k1006 | 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. See the plot at the bottom of the page. |
O3 OIII N2 k1014 * | 55.55 | 5024.90 | Nicholas U. Mayall 4-meter Telescope | Mosaic | O3 OIII N2 k1014 * | O3 OIII N2 k1014 * | 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. See the plot at the bottom of the page. |
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 ** | |||
ha8 H-alpha+8nm c6011 | 80.00 | 6650.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha8 H-alpha+8nm c6011 | ha8 H-alpha+8nm c6011 | 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. |
U k1001 | 630.71 | 3552.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | U k1001 | U k1001 | 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. |
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%. |
Pagination
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Updated on June 27, 2022, 11:32 am