1. Filters
  2. Filters

Filters

Filter FWHM (Å) CWL (Å) Telescope Instrument Plot Data Comments
kp1307e 1116.00 5480.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1307e nearly mould V-omega
kp1307b 1120.00 5482.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1307b nearly mould V-omega
kp18 1087.00 5490.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter bessell system k p
SAMI-V K-C 800.00 5500.00 SOAR Telescope SAM, SAMI SAMI-V K-C
kp1460e 250.00 5503.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1460e stromgren y
Stromgren y 246.00 5507.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Stromgren y Stromgren y
kp1459d 250.00 5509.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1459d stromgren y
Stromgren y 227.00 5514.00 WIYN 0.9-meter Telescope S2KB Stromgren y Stromgren y 01-2013
kp827 227.00 5527.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter stromgren 4c set y spare
kp933m 227.00 5538.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp933m stromgren y 4c set spare
kp933m 227.00 5538.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp933m stromgren y 4c set spare
kp826a 233.00 5540.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp826a stromgren y 4c set a
kp828 228.00 5544.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter stromgren y 4c set b
kp933t 234.00 5553.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp933t stromgren y 4c set
kp933t 234.00 5553.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp933t stromgren y 4c set
kp1112 1109.00 5556.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1112 bessell system k p
kp1112 1109.00 5556.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1112 bessell system k p
kp1112 1109.00 5556.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1112 bessell system k p
wh Bk-7 k1016 6800.00 5600.00 Nicholas U. Mayall 4-meter Telescope Mosaic wh Bk-7 k1016 wh Bk-7 k1016 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.
EO_562 437.00 5622.00 Gemini North ALOPEKE EO_562 EO_562 not convolved with dichroic
EO_562 437.00 5622.00 Gemini South ZORRO EO_562 EO_562 not convolved with dichroic
OG570 0.00 5675.00 Nicholas U. Mayall 4-meter Telescope KOSMOS OG570 OG570 KOSMOS dedicated blocker
kp370 2088.00 5712.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp370 coated quartz blocking filter
kp370 2088.00 5712.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp370 coated quartz blocking filter
Hydra EC#9 472.00 5718.00 BLANK Hydra, Hydra Echelle Mode Hydra EC#9 Order: 9.75
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.
kp1292 21.00 5882.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1292 nebular set
kp1292 21.00 5882.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1292 nebular set
kp1549 23.00 5883.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1549 1292 replacement
OG-590 5900.00 SOAR Telescope Goodman Goodman Spectrograph circular 4 inch diameter filters - Cutoff wavelength: < 590
VR k1039 *** New! 2216.00 5940.00 Nicholas U. Mayall 4-meter Telescope Mosaic VR k1039 *** New! VR k1039 *** New! NOTE: This filter is a replacement for k1040. 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.
VR Bernstein k1040 *** Retired! 2119.56 5944.95 Nicholas U. Mayall 4-meter Telescope Mosaic VR Bernstein k1040 *** Retired! VR Bernstein k1040 *** Retired! NOTE: This filter was damaged in June 2011 and is retired. 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.
Wide VR filter VR 2410.00 6000.00 SOAR Telescope Goodman, SOI Wide VR filter VR 4 x 4 Inches square filters for imaging with the Goodman HTS or with SOI (SOI can also use 3x3 inch filters without vignetting)
kp1047 102.00 6000.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1047
Hydra EC#8 531.00 6027.00 BLANK Hydra, Hydra Echelle Mode Hydra EC#8 Order: 9.25
kp371 1999.00 6042.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp371 coated gg-475 blocking for #793
kp371 1999.00 6042.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp371 coated gg-475 blocking for #794
Supernova 135.00 6115.00 WIYN 3.5-meter Telescope Hydra Supernova SIZE: 3x3-7.97mm.
Supernova 6120/140 135.00 6115.00 SMARTS Consortium: 0.9-meter Telescope BLANK Supernova 6120/140 Size: 3x3 Thick: 7.97
Supernova 135.00 6115.00 WIYN 3.5-meter Telescope Hydra Supernova SIZE: 3x3-7.97mm.
T1 Wash. 590.00 6130.00 WIYN 3.5-meter Telescope Hydra T1 Wash. SIZE: 4x4-8.35mm. .9% leak at 1.2u.
T1 Wash. 6130/590 590.00 6130.00 SMARTS Consortium: 0.9-meter Telescope BLANK T1 Wash. 6130/590 Size: 4x4 Thick: 8.35 .9% leak at 1.2u.
T1 Wash. 590.00 6130.00 WIYN 3.5-meter Telescope Hydra T1 Wash. SIZE: 4x4-8.35mm. .9% leak at 1.2u.
T1 Wash. 625.00 6152.00 WIYN 3.5-meter Telescope Hydra T1 Wash. SIZE: 3x3-8.21mm. 1% leak at 1.0u.
T1 Wash. 6152/625 625.00 6152.00 SMARTS Consortium: 0.9-meter Telescope BLANK T1 Wash. 6152/625 Size: 3x3 Thick: 8.21 1% leak at 1.0u.
T1 Wash. 625.00 6152.00 WIYN 3.5-meter Telescope Hydra T1 Wash. SIZE: 3x3-8.21mm. 1% leak at 1.0u.
kp1536 595.00 6190.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1536 wash set t1
SDSS_r 1446.00 6198.00 Gemini South ZORRO SDSS_r SDSS_r not convolved with dichroic
SDSS_r 1446.00 6198.00 Gemini North ALOPEKE SDSS_r SDSS_r not convolved with dichroic
kp184 151.00 6211.00 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp184 nebular set 1376 sub
Showing 751 - 800 of 1258