Filters
Filter | FWHM (Å) | CWL (Å) | Telescope | Instrument | Plot | Data | Comments |
---|---|---|---|---|---|---|---|
H-band | SMARTS 1.3-meter Telescope | ANDICAM | H-band | H-band | Infrared Filer | ||
H-beta narrow | 25.00 | 4876.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | H-beta narrow | H-beta narrow | |
H-beta wide | 173.00 | 4871.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | H-beta wide | H-beta wide | |
H1 + 2 blocker, Yale H1 +2 blcoker | 472.00 | 1622.00 | Nicholas U. Mayall 4-meter Telescope | NEWFIRM | Use with 3101, 3102, 3201, 3202 | ||
H1, Yale H1 | 174.70 | 1555.70 | Nicholas U. Mayall 4-meter Telescope | NEWFIRM | Use with 3203 | ||
H2 | 314.00 | 21220.00 | Gemini North | GNIRS | H2 | H2 | |
H2 | 310.00 | 21160.00 | SOAR Telescope | SPARTAN IR | Width [km/s]: 4380. Note that SPARTAN filters are permanently mounted in the instrument, and therefore are always available and need not be specified in Instrument Setup forms. | ||
H2 | 21262.00 | Víctor M. Blanco 4-meter Telescope | ISPI | ISPI Narrow Band Filters. Wavelengths @80% (micron): 2,125 - 2,146 | |||
H2 & continuum 2.25 mu | 22570.00 | Víctor M. Blanco 4-meter Telescope | ISPI | ISPI Narrow Band Filters. Wavelengths @80% (micron): 2,2428 - 2,2618 | |||
H2 S(1) | 216.00 | 2117.00 | WIYN 3.5-meter Telescope | WHIRC | H2 S(1) | ||
H2, Yale H2 | 168.30 | 1705.90 | Nicholas U. Mayall 4-meter Telescope | NEWFIRM | Use with 3204 | ||
H2(1-0)_G1121 | 293.00 | 21220.00 | Gemini South | GSAOI | H2(1-0)_G1121 | H2(1-0)_G1121 | |
H2(2-1)_G1123 | 314.00 | 22480.00 | Gemini South | GSAOI | H2(2-1)_G1123 | H2(2-1)_G1123 | |
H20_G1119 | 734.00 | 20000.00 | Gemini South | GSAOI | H20_G1119 | H20_G1119 | |
H210 | 318.00 | 21239.00 | Gemini North | NIRI | H210 | H210 | |
H221 | 358.00 | 22465.00 | Gemini North | NIRI | H221 | H221 | |
H2O | 1569.00 | 30500.00 | Gemini North | NIRI | H2O | H2O | |
H2O_2045 | 1701.00 | 20450.00 | Gemini North | NIRI | H2O_2045 | H2O_2045 | |
H6073 | Gemini South | Phoenix | H6073 | Start (cm-1 μm): 6017=1.662 - Stop (cm-1 μm): 6129=1.632 - Echelle order 34 | |||
H6420 | Gemini South | Phoenix | H6420 | Start (cm-1 μm): 6377=1.568 - Stop (cm-1 μm): 6464=1.547 - Echelle order 36 | |||
ha H-alpha c6009 | 80.00 | 6563.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha H-alpha c6009 | ha H-alpha c6009 | Note: The central wavelength of CTIO Mosaic narrow band filters (actually all filters, but is very significant for narrow band filters) is shifted ~15A to the BLUE in the f/2.87 beam of the Blanco 4m + PFADC corrector as compared to the transmission measured in parallel light. The central wavelength quoted below is nominally for when the filter is used at PF, with the ~15A shift included. Furthermore, the filter transmission curve presented below shows the simulated filter transmission curve for the Blanco 4m + PFADC f/2.87 beam. |
ha H-alpha k1009 | 80.62 | 6574.74 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha H-alpha k1009 | ha H-alpha k1009 | 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. |
ha H-alpha k1009 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha H-alpha k1009 | ha H-alpha k1009 | 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=6550A, FWHM=80A, PEAK TRANSMISSION=93.7%. | ||
Ha_G0310 | 72.00 | 6560.00 | Gemini North | GMOS-N | Ha_G0310 | Ha_G0310 | |
Ha_G0336 | 71.00 | 6560.00 | Gemini South | GMOS-S | Ha_G0336 | Ha_G0336 | |
ha12 H-alpha+12nm k1012 | 82.95 | 6698.53 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha12 H-alpha+12nm k1012 | ha12 H-alpha+12nm k1012 | 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. |
ha12 H-alpha+12nm k1012 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha12 H-alpha+12nm k1012 | ha12 H-alpha+12nm k1012 | 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=6672A, FWHM=83A, PEAK TRANSMISSION=87.3%. | ||
ha16 H-alpha+16nm k1013 | 81.10 | 6730.72 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha16 H-alpha+16nm k1013 | ha16 H-alpha+16nm k1013 | 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. |
ha16 H-alpha+16nm k1013 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha16 H-alpha+16nm k1013 | ha16 H-alpha+16nm k1013 | 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=6705A, FWHM=81A, PEAK TRANSMISSION=91.7%. | ||
ha4 H-alpha+4nm k1010 | 80.48 | 6620.52 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha4 H-alpha+4nm k1010 | ha4 H-alpha+4nm k1010 | 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. |
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%. | ||
ha8 H-alpha+8nm c6011 | 80.00 | 6650.00 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha8 H-alpha+8nm c6011 | ha8 H-alpha+8nm c6011 | Note: The central wavelength of CTIO Mosaic narrow band filters (actually all filters, but is very significant for narrow band filters) is shifted ~15A to the BLUE in the f/2.87 beam of the Blanco 4m + PFADC corrector as compared to the transmission measured in parallel light. The central wavelength quoted below is nominally for when the filter is used at PF, with the ~15A shift included. Furthermore, the filter transmission curve presented below shows the simulated filter transmission curve for the Blanco 4m + PFADC f/2.87 beam. |
ha8 H-alpha+8nm k1011 | 81.33 | 6654.19 | Nicholas U. Mayall 4-meter Telescope | Mosaic | ha8 H-alpha+8nm k1011 | ha8 H-alpha+8nm k1011 | 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. |
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%. | ||
HaC_G0311 | 69.00 | 6620.00 | Gemini North | GMOS-N | HaC_G0311 | HaC_G0311 | |
HaC_G0337 | 70.00 | 6620.00 | Gemini South | GMOS-S | HaC_G0337 | HaC_G0337 | |
Hale-Bopp Blue Continuum | 62.00 | 4449.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | |||
Hale-Bopp C2 | 117.00 | 5136.00 | 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 | |||
Hale-Bopp CN | 57.00 | 3871.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | |||
Hale-Bopp CO | 56.00 | 4265.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | |||
Hale-Bopp Green Continuum | 55.00 | 5261.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | |||
Hale-Bopp H2O | 177.00 | 7021.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | |||
Hale-Bopp NH | 55.00 | 3362.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | |||
Hale-Bopp OH | 57.00 | 3095.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | |||
Hale-Bopp Red Continuum | 60.00 | 7134.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | |||
Hale-Bopp UVC | 78.00 | 3448.00 | KPNO 2.1-meter Telescope | KPNO 4-Inch Filters | |||
Halpha | 64.00 | 6559.00 | WIYN 3.5-meter Telescope | Hydra | Halpha | SIZE: 3x3-5.61mm. | |
Halpha | 68.00 | 6567.00 | WIYN 3.5-meter Telescope | Hydra | Halpha | SIZE: 4x4-5.54mm. | |
Halpha | 64.00 | 6559.00 | WIYN 3.5-meter Telescope | Hydra | Halpha | SIZE: 3x3-5.61mm. |
Pagination
Showing 301-350 of 1258