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 |
---|---|---|---|---|---|---|---|
390 BATC k1052 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 390 BATC k1052 ** | 390 BATC k1052 ** | |||
705 BATC k1060 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 705 BATC k1060 ** | 705 BATC k1060 ** | |||
C Washington c6029 | 1075.00 | 3850.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | |||
Barr J Band Filter | Nicholas U. Mayall 4-meter Telescope | Flamingos | Barr J Band Filter | Barr J Band Filter | Cuton: 1.170 - Cutoff: 1.326 | ||
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 | ||
H1, Yale H1 | 174.70 | 1555.70 | Nicholas U. Mayall 4-meter Telescope | NEWFIRM | Use with 3203 | ||
KP1495 | 78.15 | 6685.37 | Nicholas U. Mayall 4-meter Telescope | KOSMOS | KP1495 | KP1495 | KOSMOS Approved KPNO 4in. Filter. |
WG-345 | 0.00 | 0.00 | Nicholas U. Mayall 4-meter Telescope | RC Spectrograph | WG-345 | WG-345 | Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined. |
RG-695 | 0.00 | 0.00 | Nicholas U. Mayall 4-meter Telescope | RC Spectrograph | RG-695 | RG-695 | Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined. |
I Nearly-Mould k1005 | 1914.59 | 8204.53 | Nicholas U. Mayall 4-meter Telescope | Mosaic | I Nearly-Mould k1005 | I Nearly-Mould k1005 | 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. |
ha12 H-alpha+12nm k1012 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha12 H-alpha+12nm k1012 | ha12 H-alpha+12nm k1012 | 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=6672A, FWHM=83A, PEAK TRANSMISSION=87.3%. | ||
wrhe2 WR HeII k1023 | 50.31 | 4702.60 | Nicholas U. Mayall 4-meter Telescope | Mosaic | wrhe2 WR HeII k1023 | wrhe2 WR HeII k1023 | 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. |
823 823_v1 k1027 | Nicholas U. Mayall 4-meter Telescope | Mosaic | 823 823_v1 k1027 | 823 823_v1 k1027 | 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 the properties of this filter are: CWL=8170A, FWHM=71A, PEAK TRANSMISSION=91.5%. | ||
Us solid U k1044 | 588.20 | 3651.81 | Nicholas U. Mayall 4-meter Telescope | Mosaic | Us solid U k1044 | Us solid U k1044 | 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. |
420 BATC k1053 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 420 BATC k1053 ** | 420 BATC k1053 ** | 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. | ||
755 BATC k1061 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 755 BATC k1061 ** | 755 BATC k1061 ** | 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. | ||
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. |
Barr H Band Filter | Nicholas U. Mayall 4-meter Telescope | Flamingos | Barr H Band Filter | Barr H Band Filter | Cuton: 1.495 - Cutoff: 1.776 | ||
J 241 | 158.00 | 1246.00 | Nicholas U. Mayall 4-meter Telescope | NEWFIRM | Use with 2103. These filters have never been used in NEWFIRM | ||
H2, Yale H2 | 168.30 | 1705.90 | Nicholas U. Mayall 4-meter Telescope | NEWFIRM | Use with 3204 | ||
KP1496 | 84.11 | 6742.88 | Nicholas U. Mayall 4-meter Telescope | KOSMOS | KP1496 | KP1496 | KOSMOS Approved KPNO 4in. Filter. |
WG-360 | 0.00 | 0.00 | Nicholas U. Mayall 4-meter Telescope | RC Spectrograph | WG-360 | WG-360 | Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined. |
RG-830 | 0.00 | 0.00 | Nicholas U. Mayall 4-meter Telescope | RC Spectrograph | RG-830 | RG-830 | Sharp-Cut Filter. Cutoff filter: no transmission peak, FWHM is undefined. |
I Nearly-Mould k1005 | Nicholas U. Mayall 4-meter Telescope | Mosaic | I Nearly-Mould k1005 | I Nearly-Mould k1005 | |||
ha16 H-alpha+16nm k1013 | 81.10 | 6730.72 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha16 H-alpha+16nm k1013 | ha16 H-alpha+16nm k1013 | 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. |
wrhe2 WR HeII k1023 | Nicholas U. Mayall 4-meter Telescope | Mosaic | wrhe2 WR HeII k1023 | wrhe2 WR HeII k1023 | Below is a plot of this filter as simulated in different f/ratio beams. At the KPNO 4m the properties of this filter are: CWL=4695A FWHM=51.34A PEAK TRANSMISSION=74.83%. | ||
918R 918R_v1 k1028 | 81.22 | 9210.96 | Nicholas U. Mayall 4-meter Telescope | Mosaic | 918R 918R_v1 k1028 | 918R 918R_v1 k1028 | 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. |
Us solid U k1044 | Nicholas U. Mayall 4-meter Telescope | Mosaic | Us solid U k1044 | Us solid U k1044 | |||
420 BATC k1053 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 420 BATC k1053 ** | 420 BATC k1053 ** | |||
755 BATC k1061 ** | Nicholas U. Mayall 4-meter Telescope | Mosaic | 755 BATC k1061 ** | 755 BATC k1061 ** | |||
D51 DDO 51 c6008 | 154.00 | 5130.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | D51 DDO 51 c6008 | D51 DDO 51 c6008 | 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. |
Barr Ks Band Filter | Nicholas U. Mayall 4-meter Telescope | Flamingos | Barr Ks Band Filter | Barr Ks Band Filter | Cuton: 1.990 - Cutoff: 2.305 | ||
J 253 | 158.00 | 1252.00 | Nicholas U. Mayall 4-meter Telescope | NEWFIRM | Use with 2103. | ||
H1 + 2 blocker, Yale H1 +2 blcoker | 472.00 | 1622.00 | Nicholas U. Mayall 4-meter Telescope | NEWFIRM | Use with 3101, 3102, 3201, 3202 | ||
H-alpha+12nm | 63.00 | 6700.00 | WIYN 0.9-meter Telescope | S2KB | H-alpha+12nm | Bandpass. | |
H-alpha+16nm | 60.00 | 6742.00 | WIYN 0.9-meter Telescope | S2KB | H-alpha+16nm | H-alpha+16nm | 4-2008 |
Stromgren u | 34.00 | 3467.00 | WIYN 0.9-meter Telescope | S2KB | Stromgren u | Stromgren u | 01-2013 |
U Harris Solid | 556.00 | 3645.00 | WIYN 0.9-meter Telescope | S2KB | U Harris Solid | U Harris Solid | 03-2004 |
Stromgren v | 133.00 | 4117.00 | WIYN 0.9-meter Telescope | S2KB | Stromgren v | Stromgren v | 01-2013 |
U Harris Solid | 556.00 | 3645.00 | WIYN 0.9-meter Telescope | S2KB | U Harris Solid | Bandpass. | |
Stromgren b | 207.70 | 4718.00 | WIYN 0.9-meter Telescope | S2KB | Stromgren b | Stromgren b | 01-2013 |
B Harris | 1070.00 | 4279.00 | WIYN 0.9-meter Telescope | S2KB | B Harris | B Harris | 04-2003 |
Stromgren y | 227.00 | 5514.00 | WIYN 0.9-meter Telescope | S2KB | Stromgren y | Stromgren y | 01-2013 |
V Harris | 936.00 | 5399.00 | WIYN 0.9-meter Telescope | S2KB | V Harris | V Harris | 04-2003 |
Hb-narrow | 30.00 | 4854.00 | WIYN 0.9-meter Telescope | S2KB | Hb-narrow | Hb-narrow | 01-2013 |
R Harris | 1509.00 | 6404.00 | WIYN 0.9-meter Telescope | S2KB | R Harris | R Harris | 04-2003 |
Hb-wide | 139.00 | 4875.00 | WIYN 0.9-meter Telescope | S2KB | Hb-wide | Hb-wide | 01-2013 |
I Harris | 2077.00 | 8333.00 | WIYN 0.9-meter Telescope | S2KB | I Harris | I Harris | 11-2001 |
Ca | 96.00 | 3972.00 | WIYN 0.9-meter Telescope | S2KB | Ca | Ca | 01-2013 |
H-alpha | 59.00 | 6577.00 | WIYN 0.9-meter Telescope | S2KB | H-alpha | H-alpha | 10-2007 |
Pagination
Showing 1201-1250 of 1258
Updated on June 27, 2022, 11:32 am