1. Filters
  2. Filters

Filters

Filter FWHM (Å) CWL (Å) Telescope Instrument Plot Data Comments
kp1306e 1135.00 4430.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306e nearly mould B-omega
kp1311a 1113.00 4434.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1311a nearly mould B-omega
kp1306c 1072.00 4437.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306c nearly mould B-omega
kp1306c 1072.00 4437.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306c nearly mould B-omega
kp1306d 1105.00 4440.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306d nearly mould B-omega
kp1306d 1105.00 4440.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306d nearly mould B-omega
kp1306b 1093.00 4444.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306b nearly mould B-omega
kp1306b 1093.00 4444.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306b nearly mould B-omega
kp1306a 1102.00 4447.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306a nearly mould B-omega
kp1306a 1102.00 4447.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1306a nearly mould B-omega
Hale-Bopp Blue Continuum 62.00 4449.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
kp970 1068.00 4449.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp970 kinman system
kp489 1114.00 4453.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp489 video camera
kp1265_11 1152.00 4454.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1265_11 mould system B
kp1311b 1115.00 4459.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1311b nearly mould B-omega
kp1265_14 1182.00 4460.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1265_14 mould system
kp1095 1127.00 4464.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1095 video camera
kp249 24.00 4480.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp249 from sao
kp1212 1524.00 4509.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1212
kp1212 1524.00 4509.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1212
kp1410 79.00 4519.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter DDO SET
GG-455 4550.00 SOAR Telescope Goodman Goodman Spectrograph circular 4 inch diameter filters - Cutoff wavelength: < 455
Hydra EC#14 280.00 4551.00 BLANK Hydra, Hydra Echelle Mode Hydra EC#14 Order: 12.25
kp994 164.00 4556.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter Has major red leak!
GG455 0.00 4565.00 Nicholas U. Mayall 4-meter Telescope KOSMOS GG455 GG455 KOSMOS dedicated blocker
kp1210 1376.00 4585.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1210
kp1033 92.00 4605.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1033
kp1032 92.00 4608.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1032
kp1034 93.00 4610.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1034
kp1032 93.00 4612.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1032
kp1035 93.00 4615.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1035
wrc3 WR CIII k1021 51.71 4666.15 Nicholas U. Mayall 4-meter Telescope Mosaic wrc3 WR CIII k1021 wrc3 WR CIII k1021 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.
EO_466 440.00 4670.00 Gemini North ALOPEKE EO_466 EO_466 not convolved with dichroic
EO_466 440.00 4670.00 Gemini South ZORRO EO_466 EO_466 not convolved with dichroic
BG-39 2390.00 4679.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters BG-39 BG-39
HeII_G0320 72.00 4680.00 Gemini North GMOS-N HeII_G0320 HeII_G0320
HeII_G0340 74.00 4680.00 Gemini South GMOS-S HeII_G0340 HeII_G0340
kp1293 21.00 4687.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter nebular set
kp1271c 190.00 4687.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter stromgren b 4c set c
kp1523 16.00 4692.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1523 nebular set replaces kp1293
kp1523 16.00 4692.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1523 nebular set replaces kp1294
Stromgren b 229.00 4694.00 SOAR Telescope Goodman, SOI Stromgren b 4 x 4 Inches square filters for imaging with the Goodman HTS or with SOI (SOI can also use 3x3 inch filters without vignetting)
b Strom. 4x4 196.00 4697.00 WIYN 3.5-meter Telescope Hydra SIZE: 4x4-9.85mm.
b Strom.  4x4 4697/196 196.00 4697.00 SMARTS Consortium: 0.9-meter Telescope BLANK b Strom.  4x4 4697/196 b Strom.  4x4 4697/196 Size: 4x4 Thick: 9.85
b Strom. 4x4 196.00 4697.00 WIYN 3.5-meter Telescope Hydra SIZE: 4x4-9.85mm.
kp824a 172.00 4701.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp824a stromgren b 4c set a
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.
kp823 172.00 4705.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter stromgren b 4c set b
Stromgren b 207.70 4718.00 WIYN 0.9-meter Telescope S2KB Stromgren b Stromgren b 01-2013
4-96 1643.57 4720.96 Nicholas U. Mayall 4-meter Telescope RC Spectrograph 4-96 4-96 Bandpass Filter.
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