1. Filters
  2. Filters

Filters

Filter FWHM (Å) CWL (Å) Telescope Instrument Plot Data Comments
[Fe II] 140.00 16400.00 SOAR Telescope SPARTAN IR Width [km/s]: 2630. Note that SPARTAN filters are permanently mounted in the instrument, and therefore are always available and need not be specified in Instrument Setup forms.
[Fe II] 164.00 1646.00 WIYN 3.5-meter Telescope WHIRC [Fe II]
[Fe II] 45 162.00 1668.00 WIYN 3.5-meter Telescope WHIRC [Fe II] 45
[O III] 45.00 5008.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters [O III] [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
[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
[S III] 27.00 9545.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters [S III] [S III] George Jacoby's filter
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.
1056 nm, 1056 0.74 1056.37 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1056 nm, 1056 Use with 1403
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
1063 nm, 1063 0.81 1063.09 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1063 nm, 1063 Use with 1403
1187 nm 1187, 1.19 μm continuum 11.10 1186.40 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1187 nm 1187, 1.19 μm continuum Use with 2104.
1187 test 11.60 1190.20 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1187 test Use with 2104. On loan; returned to vendor 05 Feb 2008. These filters have never been used in NEWFIRM.
1644 blocker [Fe II] blocker 451.00 1593.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1644 blocker [Fe II] blocker Use with 3301
1644 nm, 1644 17.20 1649.10 Nicholas U. Mayall 4-meter Telescope NEWFIRM 1644 nm, 1644 Use with 3302
2096 nm 20.40 2096.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM 2096 nm
2124 nm 2124, 2.12 μm H2 24.00 2131.90 Nicholas U. Mayall 4-meter Telescope NEWFIRM 2124 nm 2124, 2.12 μm H2 Use with 4303
2124/68 blocker 2 μm blocker 257.00 2165.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM 2124/68 blocker 2 μm blocker Use with 4301, 4302
2168 nm 2168, 2.16 μm Br γ 24.40 2177.00 Nicholas U. Mayall 4-meter Telescope NEWFIRM 2168 nm 2168, 2.16 μm Br γ Use with 4303
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.
337 BATC k1051 ** Nicholas U. Mayall 4-meter Telescope Mosaic 337 BATC k1051 ** 337 BATC k1051 ** 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.
337 BATC k1051 ** Nicholas U. Mayall 4-meter Telescope Mosaic 337 BATC k1051 ** 337 BATC k1051 **
390 BATC k1052 ** Nicholas U. Mayall 4-meter Telescope Mosaic 390 BATC k1052 ** 390 BATC k1052 ** 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.
390 BATC k1052 ** Nicholas U. Mayall 4-meter Telescope Mosaic 390 BATC k1052 ** 390 BATC k1052 **
4-96 1643.57 4720.96 Nicholas U. Mayall 4-meter Telescope RC Spectrograph 4-96 4-96 Bandpass Filter.
4-96 1756.27 4724.00 KPNO 2.1-meter Telescope GoldCam 4-96 4-96 Bandpass Filter.
420 BATC k1053 ** Nicholas U. Mayall 4-meter Telescope Mosaic 420 BATC k1053 ** 420 BATC k1053 **
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.
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.
454 BATC k1054 ** Nicholas U. Mayall 4-meter Telescope Mosaic 454 BATC k1054 ** 454 BATC k1054 **
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.
493 BATC k1055 ** Nicholas U. Mayall 4-meter Telescope Mosaic 493 BATC k1055 ** 493 BATC k1055 **
5019/50 50.00 5027.00 SMARTS Consortium: 0.9-meter Telescope BLANK 5019/50 5019/50 Size: 4x4 Thick: 7.83
527 BATC k1056 ** Nicholas U. Mayall 4-meter Telescope Mosaic 527 BATC k1056 ** 527 BATC k1056 ** 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.
527 BATC k1056 ** Nicholas U. Mayall 4-meter Telescope Mosaic 527 BATC k1056 ** 527 BATC k1056 **
579 BATC k1057 ** Nicholas U. Mayall 4-meter Telescope Mosaic 579 BATC k1057 ** 579 BATC k1057 ** 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.
579 BATC k1057 ** Nicholas U. Mayall 4-meter Telescope Mosaic 579 BATC k1057 ** 579 BATC k1057 **
607 BATC k1058 ** Nicholas U. Mayall 4-meter Telescope Mosaic 607 BATC k1058 ** 607 BATC k1058 **
607 BATC k1058 ** Nicholas U. Mayall 4-meter Telescope Mosaic 607 BATC k1058 ** 607 BATC k1058 ** 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.
660075-3 69.00 6598.00 SMARTS Consortium: 0.9-meter Telescope BLANK 660075-3 Size: 3x3 Thick: 5.57
660075-4 67.00 6600.00 SMARTS Consortium: 0.9-meter Telescope BLANK 660075-4 Size: 4x4 Thick: 5.57
666 BATC k1059 ** Nicholas U. Mayall 4-meter Telescope Mosaic 666 BATC k1059 ** 666 BATC k1059 **
666 BATC k1059 ** Nicholas U. Mayall 4-meter Telescope Mosaic 666 BATC k1059 ** 666 BATC k1059 ** 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.
705 BATC k1060 ** Nicholas U. Mayall 4-meter Telescope Mosaic 705 BATC k1060 ** 705 BATC k1060 ** 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.
705 BATC k1060 ** Nicholas U. Mayall 4-meter Telescope Mosaic 705 BATC k1060 ** 705 BATC k1060 **
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.
755 BATC k1061 ** Nicholas U. Mayall 4-meter Telescope Mosaic 755 BATC k1061 ** 755 BATC k1061 **
802 BATC k1062 ** Nicholas U. Mayall 4-meter Telescope Mosaic 802 BATC k1062 ** 802 BATC k1062 **
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.
815 815_v1 k1026 70.36 8152.10 Nicholas U. Mayall 4-meter Telescope Mosaic 815 815_v1 k1026 815 815_v1 k1026 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. Note:In December 2003 a replacement for this filter (k1046) was purchased. See below for a comparison between the two filters.
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