Keck :W.M. Keck Observatory Keck/LRIS :The Low Resolution Imaging Spectrometer (LRIS) is a visible-wavelength imaging and spectroscopy instrument commissioned in 1993 and operating at the Cassegrain focus of Keck I. |
| Keck/LRIS.NB4000 | 3991.7 | 4001.9 | 3601 | 4235 | 336.6 | 3737.5 | Keck | LRIS | Keck LRIS NB4000 filter | | Keck/LRIS.NB4325 | 4332.7 | 4330.6 | 4277 | 4395 | 74.4 | 3539.8 | Keck | LRIS | Keck LRIS NB4325 filter | | Keck/LRIS.B | 4336.3 | 4322.1 | 3268 | 5672 | 962.7 | 3900.2 | Keck | LRIS | Keck LRIS B filter | | Keck/LRIS.g | 4750.6 | 4706.8 | 4217 | 5281 | 888.3 | 3989.4 | Keck | LRIS | Keck LRIS g filter | | Keck/LRIS.NB5390 | 5402.5 | 5402.1 | 5325 | 5476 | 80.3 | 3653.0 | Keck | LRIS | Keck LRIS NB5390 filter | | Keck/LRIS.V | 5469.1 | 5403.7 | 4765 | 6661 | 957.2 | 3605.5 | Keck | LRIS | Keck LRIS V filter | | Keck/LRIS.OG570 | 6313.4 | 6222.4 | 4401 | 6947 | 1224.2 | 3094.7 | Keck | LRIS | Keck LRIS OG570 filter | | Keck/LRIS.R | 6432.8 | 6305.1 | 5550 | 8420 | 1233.6 | 3049.2 | Keck | LRIS | Keck LRIS R filter | | Keck/LRIS.NB6741 | 6740.0 | 6739.6 | 6649 | 6829 | 79.9 | 2924.8 | Keck | LRIS | Keck LRIS NB6741 filter | | Keck/LRIS.Rs | 6794.9 | 6734.9 | 6013 | 7673 | 1239.7 | 2865.5 | Keck | LRIS | Keck LRIS Rs filter | | Keck/LRIS.GG495 | 7099.5 | 6438.8 | 4251 | 9258 | 4220.5 | 2760.2 | Keck | LRIS | Keck LRIS GG495 filter | | Keck/LRIS.I | 7605.2 | 7549.7 | 6754 | 8370 | 1188.7 | 2561.1 | Keck | LRIS | Keck LRIS I filter | | Keck/LRIS.NB8185 | 8187.6 | 8187.0 | 8062 | 8319 | 109.3 | 2352.0 | Keck | LRIS | Keck LRIS NB8185 filter | | Keck/LRIS.NB8560 | 8560.6 | 8560.0 | 8434 | 8694 | 110.2 | 2196.1 | Keck | LRIS | Keck LRIS NB8560 filter | | Keck/LRIS.RG850 | 9124.8 | 9094.0 | 8248 | 9760 | 1240.5 | 2258.5 | Keck | LRIS | Keck LRIS RG850 filter | | Keck/LRIS.NB9135 | 9156.0 | 9153.2 | 8882 | 9468 | 140.6 | 2357.2 | Keck | LRIS | Keck LRIS NB9135 filter | | Keck/LRIS.NB9148 | 9156.2 | 9152.7 | 8862 | 9501 | 264.2 | 2286.5 | Keck | LRIS | Keck LRIS NB9148 filter |
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© SVO, 6368 filters available, Last update: 2020-08-07 | 
 ≡ filter transmission<p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl<li><b>Utype</b>: <i>photdm:PhotometryFilter.SpectralAxis.Coverage.Location.Value</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<br> Vg(λ) ≡ Vega spectrum<p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl.effective</ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<p>Equivalent to the horizontal size of a rectangle with height equal to maximum transmission and with the same area that the one covered by the filter transmission curve.<p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:instr.bandwidth<li><b>Utype</b>: <i>photdm:PhotometryFilter.SpectralAxis.Coverage.Bounds.Extent</i></ul></td></table>',WIDTH,400)){kind=link}
</b><br><table cellpadding=20><td class=helptd>Zero Point in Vega System.<p>Calculated by the service as:<p><img src=images/latex/zp.png> <p>where:<p> T(λ) ≡ filter transmission<br> Vg(λ) ≡ Vega spectrum<p>F<sub>0,ν</sub>(Jy) = (2.9979246)<sup>-1</sup> 10<sup>5</sup> * λ<sub>eff</sub><sup>2</sup> * F<sub>0,λ</sub>(erg/cm<sup>2</sup>/s/A)<p>In the case that filter owner specifies its own values, they will be the ones provided by the service when queried through the VO.<p><u>Property info:</u><ul><li><b>Unit</b>:Jy<li><b>UCD</b>:phot.flux.density<li><b>Utype</b>: <i>photdm:PhotCal.ZeroPoint.Flux.value</i></ul></td></table>',WIDTH,400)){kind=link}