Filter Information

Plots and data included with most lists.

Instructions for Fast Beam Simulations

Glass Filter Spectral Transmission Curves from Schott Catalog (reproduced with permission from Schott Glass Technologies, Inc.)

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NOIRLab Filter Database

Filter FWHM (Å) CWL (Å) Telescope Instrument Plot Data Comments
Stromgren y 246.00 5507.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Stromgren y Stromgren y
H-alpha_2 67.00 6573.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha_2 H-alpha_2 set2
Osmer/Green 7500 703.00 7428.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Osmer/Green 7500 Osmer/Green 7500 Green 7500
kp1548 39.00 3736.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1548 kp1548 Replaces 1277 1278; damaged coating?
Tyson Bj 1523.00 4406.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Tyson Bj Tyson Bj Given by Tony Tyson
kp1389 53.00 5026.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1389 kp1389 Andover
Wash set - t1 651.00 6251.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Wash set - t1 Wash set - t1
H-alpha 72.00 6587.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha H-alpha Andover
SDSS I' 1500.00 7734.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters SDSS I' SDSS I' Sloan Digital Sky Survey set
Washington C 1044.00 3866.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Washington C Washington C Revised 8/95 (Schott glass)
Hale-Bopp Blue Continuum 62.00 4449.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
Washington - m 1012.00 5097.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Washington - m Washington - m Corning glass
SDSS r' 1483.00 6265.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters SDSS r' SDSS r' Sloan Digital Sky Survey set
H-alpha6_2 74.00 6618.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha6_2 H-alpha6_2 =+6nm set2
Gunn I 1289.00 8156.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn I Gunn I
Washington C KPNO 2.1-meter Telescope KPNO 4-Inch Filters Washington C Washington C
BG-39 2390.00 4679.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters BG-39 BG-39
Hale-Bopp C2 117.00 5136.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
kp808 88.00 6411.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp808 kp808 Minor coating deterioration
H-alpha +6nm 67.00 6620.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +6nm H-alpha +6nm Andover
kp1591 1839.00 8192.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1591 kp1591 spare
Hale-Bopp CN 57.00 3871.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
Stromgren b 193.00 4730.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Stromgren b Stromgren b
Washington M 1112.00 5141.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Washington M Washington M Revised 8/95 (Schott glass)
Harris R 1541.00 6425.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris R Harris R Not available
H-alpha9_2 68.00 6653.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha9_2 H-alpha9_2 =+9nm set2
kp1469 1821.00 8204.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1469 kp1469 2.1 meter set
Gunn v 472.00 3969.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn v Gunn v 3mmBG38, 4mmUG3, 1mmBG1, 1mmGG385
kp803 53.00 4754.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp803 kp803 Edge deterioration, replaced by KP1573 - Not available
Washington 51 174.00 5142.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Washington 51 Washington 51 Replaces KP1525
Harris R 1472.00 6458.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Not available
H-alpha +9nm 84.00 6658.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +9nm H-alpha +9nm set1
kp1539 1954.00 8244.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1539 kp1539 Not available
Hale-Bopp OH 57.00 3095.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
Gunn v KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn v Gunn v
SDSS g' 1430.00 4759.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters SDSS g' SDSS g' Sloan Digital Sky Survey set
Todd Boroson filter 1 708.00 5159.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Todd Boroson filter 1 Todd Boroson filter 1
Harris R 1472.00 6458.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Harris R Harris R 2.1 meter set
H-alpha +13nm 78.00 6691.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha +13nm H-alpha +13nm set1
Mould I 2111.00 8268.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Mould I Mould I made with Mould parameters
Hale-Bopp NH 55.00 3362.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
Washington - c 1046.00 3979.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Washington - c Washington - c Corning glass
kp1573 55.00 4767.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp1573 kp1573 Replaces KP803
Hale-Bopp Green Continuum 55.00 5261.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
Gunn r 790.00 6484.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn r Gunn r
H-alpha14_2 71.00 6709.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters H-alpha14_2 H-alpha14_2 =+14nm set2
Mould I 1995.00 8270.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters Mould I Mould I Many pinholes, spare - Not available
Hale-Bopp UVC 78.00 3448.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
Hale-Bopp C3 57.00 4061.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters
kp804 57.00 4859.00 KPNO 2.1-meter Telescope KPNO 4-Inch Filters kp804 kp804 Coating deteriorated, replaced by KP1574 - Not available

Updated on June 27, 2022, 11:32 am