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 |
|---|---|---|---|---|---|---|---|
| kp1303 | 800.00 | 4911.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1303 | gunn set combined `g' kp omega (4930) | |
| Gunn g | 670.00 | 4920.00 | WIYN 3.5-meter Telescope | Hydra | SIZE: 4x4-8.95mm. | ||
| Gunn g 4940/700 | 670.00 | 4920.00 | SMARTS Consortium: 0.9-meter Telescope | BLANK | Size: 4x4 Thick: 8.95 | ||
| Gunn g | 670.00 | 4920.00 | WIYN 3.5-meter Telescope | Hydra | SIZE: 4x4-8.95mm. | ||
| kp524 | 51.00 | 4933.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp524 | video camera | |
| GG495 | 0.00 | 4950.00 | Nicholas U. Mayall 4-meter Telescope | KOSMOS | GG495 | GG495 | KOSMOS dedicated blocker |
| GG-495 | 4950.00 | SOAR Telescope | Goodman | Goodman Spectrograph circular 4 inch diameter filters - Cutoff wavelength: < 495 | |||
| Hydra EC#12 | 341.00 | 4955.00 | BLANK | Hydra, Hydra Echelle Mode | Hydra EC#12 | Order: 11.25 | |
| Gunn g | 706.00 | 4961.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Gunn g | Gunn g | |
| kp583 | 54.00 | 4980.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp583 | video camera | |
| kp583 | 54.00 | 4980.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp583 | video camera | |
| o3 OIII c6014 | 50.00 | 4990.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | o3 OIII c6014 | o3 OIII c6014 | 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. |
| OIII_G0318 | 47.00 | 4990.00 | Gemini North | GMOS-N | OIII_G0318 | OIII_G0318 | |
| OIII_G0338 | 44.00 | 4990.00 | Gemini South | GMOS-S | OIII_G0338 | OIII_G0338 | |
| kp272 | 28.00 | 5002.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp272 | nebular set 183 sub | |
| kp1413 | 24.00 | 5005.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1413 | backup for kp272-janos | |
| [O III] | 45.00 | 5008.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | [O III] | [O III] | |
| kp1226 | 100.00 | 5008.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1226 | video camera | |
| kp1226 | 100.00 | 5008.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1226 | video camera | |
| kp586 | 15.00 | 5009.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | o III | ||
| BG38 | 2950.00 | 5010.00 | Nicholas U. Mayall 4-meter Telescope | KOSMOS | BG38 | BG38 | Bandpass filter. For engineering purposes, not available to users. |
| kp1547 | 31.00 | 5010.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1547 | o III | |
| [O III] -2 | 49.00 | 5011.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | [O III] -2 | [O III] -2 | new 10/2011 |
| kp183 | 23.00 | 5013.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp183 | nebular set o III 272 sub | |
| kp183 | 23.00 | 5013.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp183 | nebular set o III 272 sub | |
| kp1379a | 894.00 | 5015.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1379a | gunn set `g' from space tele | |
| narrow [OIII] (CTIO set) | 50.00 | 5019.00 | SOAR Telescope | Goodman, SOI | 4 x 4 Inches square filters for imaging with the Goodman HTS or with SOI (SOI can also use 3x3 inch filters without vignetting) | ||
| M Washington c6007 | 1020.00 | 5020.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | M Washington c6007 | M Washington c6007 | 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. |
| BTFI 5021/17 | 16.50 | 5020.90 | SOAR Telescope | SAM, SAM-FP | |||
| [O III] redshifted | 53.00 | 5022.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | [O III] redshifted | [O III] redshifted | George Jacoby's filter |
| kp610 | 55.00 | 5024.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp610 | video camera | |
| kp610 | 55.00 | 5024.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp610 | video camera | |
| 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. |
| M Wash. | 1023.00 | 5025.00 | WIYN 3.5-meter Telescope | Hydra | SIZE: 3x3-08.08mm. | ||
| M Wash. 5025/1023 | 1023.00 | 5025.00 | SMARTS Consortium: 0.9-meter Telescope | BLANK | M Wash. 5025/1023 | Size: 3x3 Thick: 8.08 | |
| M Wash. | 1023.00 | 5025.00 | WIYN 3.5-meter Telescope | Hydra | SIZE: 3x3-08.08mm. | ||
| kp1389 | 53.00 | 5026.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | kp1389 | kp1389 | Andover |
| N/A | 50.00 | 5027.00 | WIYN 3.5-meter Telescope | Hydra | N/A | SIZE: 4x4-7.83mm. | |
| 5019/50 | 50.00 | 5027.00 | SMARTS Consortium: 0.9-meter Telescope | BLANK | 5019/50 | 5019/50 | Size: 4x4 Thick: 7.83 |
| N/A | 50.00 | 5027.00 | WIYN 3.5-meter Telescope | Hydra | N/A | SIZE: 4x4-7.83mm. | |
| BTFI_5021/17 Narrow | 16.50 | 5030.90 | SOAR Telescope | SAM, SAMI | |||
| M Wash. | 990.00 | 5040.00 | WIYN 3.5-meter Telescope | Hydra | M Wash. | M Wash. | SIZE: 4x4-8.25mm. |
| M Wash. 5040/990 | 990.00 | 5040.00 | SMARTS Consortium: 0.9-meter Telescope | BLANK | M Wash. 5040/990 | M Wash. 5040/990 | Size: 4x4 Thick: 8.25 |
| M Wash | 990.00 | 5040.00 | WIYN 3.5-meter Telescope | Hydra | M Wash. | M Wash. | SIZE: 4x4-8.25mm. |
| kp630 | 55.00 | 5079.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp630 | video camera | |
| kp630 | 55.00 | 5079.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp630 | video camera | |
| kp1535 | 988.00 | 5086.00 | KPNO 2.1-meter Telescope | KPNO 2-Inch Filter | kp1535 | wash set m | |
| Washington - m | 1012.00 | 5097.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | Washington - m | Washington - m | Corning glass |
| M Washington k1007 | 1140.00 | 5100.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | M Washington k1007 | M Washington k1007 | 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 plot at the bottom of the page. |
| g Gunn-T | 900.00 | 5118.00 | WIYN 3.5-meter Telescope | Hydra | g Gunn-T | g Gunn-T | SIZE: 3x3-05.05mm. |
Updated on June 27, 2022, 11:32 am