1. Filters
  2. Filters

Filters

Filter FWHM (Å) CWL (Å) Telescope Instrument Plot Data Comments
SDSS z WIYN 3.5-meter Telescope Hydra SDSS z SIZE: 4x4
YALO B SMARTS 1.3-meter Telescope ANDICAM YALO B YALO B Legacy Filter
RG610 BLANK Hydra, Hydra Schott Glass RG610 Schott Glass Filters. Purpose: Longpass > ~610nm Thickness: 2mm
kp1350c KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1350c
kp1276 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1276
kp859 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp859
kp1309a KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1309a
V Harris k1003 Nicholas U. Mayall 4-meter Telescope Mosaic V Harris k1003
ha4 H-alpha+4nm k1010 Nicholas U. Mayall 4-meter Telescope Mosaic ha4 H-alpha+4nm k1010 ha4 H-alpha+4nm k1010 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=6593A, FWHM=81A, PEAK TRANSMISSION=91.1%.
Un Steidel k1041 Nicholas U. Mayall 4-meter Telescope Mosaic Un Steidel k1041 Un Steidel k1041
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.
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.
L3010 Gemini South Phoenix L3010 Start (cm-1 μm): 2950=3.390 - Stop (cm-1 μm): 3050=3.279 - Echelle order 17
J9440 Gemini South Phoenix J9440 Start (cm-1 μm): 9396=1.064 - Stop (cm-1 μm): 9497=1.053 - Echelle order 53
SDSS g WIYN 3.5-meter Telescope Hydra SDSS g SDSS g SIZE: 4x4
SDSS r WIYN 3.5-meter Telescope Hydra SDSS r SIZE: 4x4
z Gunn WIYN 3.5-meter Telescope Hydra SIZE: 4x4
YALO wide R SMARTS 1.3-meter Telescope ANDICAM YALO wide R YALO wide R Legacy Filter
RG665 BLANK Hydra, Hydra Schott Glass RG665 Schott Glass Filters. Purpose: Longpass > ~665nm Thickness: 2mm
kp1350c KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1350c
kp1276 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1276
kp256 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp256
kp1218 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1218
wrc3 WR CIII k1021 Nicholas U. Mayall 4-meter Telescope Mosaic wrc3 WR CIII k1021 wrc3 WR CIII k1021 Below is a plot of this filter as simulated in different f/ratio beams. At the KPNO 4m f/3.1 the properties of this filter are: CWL=4657A FWHM=52.6A PEAK TRANSMISSION=68.23%
823 823_v1 k1027 Nicholas U. Mayall 4-meter Telescope Mosaic 823 823_v1 k1027 823 823_v1 k1027
337 BATC k1051 ** Nicholas U. Mayall 4-meter Telescope Mosaic 337 BATC k1051 ** 337 BATC k1051 **
666 BATC k1059 ** Nicholas U. Mayall 4-meter Telescope Mosaic 666 BATC k1059 ** 666 BATC k1059 **
L3100 Gemini South Phoenix L3100 Start (cm-1 μm): 3030=3.300 - Stop (cm-1 μm): 3145=3.180 - Echelle order 17
J9671 Gemini South Phoenix J9671 Start (cm-1 μm): 9652=1.036 - Stop (cm-1 μm): 9709=1.030 - Echelle order 55. Currently not installed in Phoenix.
z Gunn WIYN 3.5-meter Telescope Hydra SIZE: 3x3
J 12500.00 Víctor M. Blanco 4-meter Telescope ISPI ISPI Broad Band Filter. Wavelengths @80% (micron): 1.176 - 1.322
kp1333 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1333
kp1350c KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1350c
kp1079 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1079
kp1081 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1081
R Harris k1004 Nicholas U. Mayall 4-meter Telescope Mosaic R Harris k1004 R Harris k1004
ha8 H-alpha+8nm k1011 Nicholas U. Mayall 4-meter Telescope Mosaic ha8 H-alpha+8nm k1011 ha8 H-alpha+8nm k1011 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=6634A, FWHM=81A, PEAK TRANSMISSION=89.2%.
823 823_v1 k1027 Nicholas U. Mayall 4-meter Telescope Mosaic 823 823_v1 k1027 A comparison of this filter with the newer version (k1047):
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.
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.
L3290 Gemini South Phoenix L3290 Start (cm-1 μm): 3240=3.085 - Stop (cm-1 μm): 3355=2.980 - Echelle order 19
H 16350.00 Víctor M. Blanco 4-meter Telescope ISPI ISPI Broad Band Filter. Wavelengths @80% (micron): 1.5005 - 1.7705
R set #2 Schmidt 6437/1525 SMARTS Consortium: 0.9-meter Telescope BLANK Size: 4x4
kp1276a KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1276a
kp1520 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp1520
kp248 KPNO 2.1-meter Telescope KPNO 2-Inch Filter kp248
Gunn u KPNO 2.1-meter Telescope KPNO 4-Inch Filters Gunn u
R Harris k1004 Nicholas U. Mayall 4-meter Telescope Mosaic R Harris k1004
wr475 WR 475 k1022 Nicholas U. Mayall 4-meter Telescope Mosaic wr475 WR 475 k1022 wr475 WR 475 k1022 Below is a plot of this filter as simulated in different f/ratio beams. At the KPNO 4m f/3.1 the properties of this filter are: CWL=4749A FWHM=51.32A PEAK TRANSMISSION=79.2%.
823 823_v1 k1027 Nicholas U. Mayall 4-meter Telescope Mosaic 823 823_v1 k1027
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