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. id:Keck/LRIS.a → GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full Keck/LRIS filter set. Please, take a look to the GaiaXPy web page and additional documentation for more information. |
| Keck/LRIS.NB4000 | 3986.63 | 3991.73 | 4001.74 | 3600.61 | 4235.42 | 336.56 | 3748.41 | 7.07e-9 | Keck | LRIS | Keck LRIS NB4000 filter | | Keck/LRIS.NB4325 | 4332.55 | 4332.75 | 4330.61 | 4276.82 | 4395.36 | 74.43 | 3547.95 | 5.67e-9 | Keck | LRIS | Keck LRIS NB4325 filter | | Keck/LRIS.B | 4288.55 | 4336.48 | 4320.88 | 3267.93 | 5671.95 | 962.52 | 3863.01 | 6.3e-9 | Keck | LRIS | Keck LRIS B filter | | Keck/LRIS.g | 4725.00 | 4750.65 | 4706.33 | 4216.71 | 5280.56 | 888.25 | 4027.71 | 5.41e-9 | Keck | LRIS | Keck LRIS g filter | | Keck/LRIS.NB5390 | 5402.28 | 5402.48 | 5402.08 | 5325.24 | 5475.79 | 80.35 | 3662.52 | 3.76e-9 | Keck | LRIS | Keck LRIS NB5390 filter | | Keck/LRIS.V | 5434.46 | 5469.06 | 5403.59 | 4765.15 | 6661.19 | 957.24 | 3647.60 | 3.7e-9 | Keck | LRIS | Keck LRIS V filter | | Keck/LRIS.OG570 | 6271.87 | 6313.41 | 6221.56 | 4401.22 | 6947.03 | 1224.20 | 3134.34 | 2.39e-9 | Keck | LRIS | Keck LRIS OG570 filter | | Keck/LRIS.R | 6368.10 | 6432.75 | 6303.93 | 5549.86 | 8419.73 | 1233.61 | 3099.84 | 2.29e-9 | Keck | LRIS | Keck LRIS R filter | | Keck/LRIS.NB6741 | 6739.79 | 6739.97 | 6739.61 | 6649.14 | 6828.56 | 79.93 | 2907.63 | 1.92e-9 | Keck | LRIS | Keck LRIS NB6741 filter | | Keck/LRIS.Rs | 6764.47 | 6794.94 | 6734.34 | 6012.75 | 7673.38 | 1239.68 | 2874.85 | 1.88e-9 | Keck | LRIS | Keck LRIS Rs filter | | Keck/LRIS.GG495 | 6762.00 | 7099.47 | 6435.04 | 4250.78 | 9257.90 | 4220.53 | 3034.24 | 1.99e-9 | Keck | LRIS | Keck LRIS GG495 filter | | Keck/LRIS.I | 7578.71 | 7605.25 | 7549.14 | 6754.28 | 8370.37 | 1188.68 | 2557.05 | 1.33e-9 | Keck | LRIS | Keck LRIS I filter | | Keck/LRIS.I | Filter Description | Filter ID (?) : | Keck/LRIS.I |
| Description (?) : | Keck LRIS I filter |
| Phot.System (?) : | LRIS |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | I |
| Obs. Facility (?) : | Keck |
| Instrument (?) : | LRIS |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
7578.71 | ------- | (Angstrom) |
| λmean (?) : |
7605.25 | ------- | (Angstrom) |
| λcen (?) : |
7598.97 | ------- | (Angstrom) |
| λeff (?) : |
7549.14 | ------- | (Angstrom) |
| λpeak (?) : |
7962.50 | ------- | (Angstrom) |
| λpivot (?) : |
7578.71 | ------- | (Angstrom) |
| λphot (?) : |
7566.90 | ------- | (Angstrom) |
| λmin (?) : |
6754.28 | ------- | (Angstrom) |
| λmax (?) : |
8370.37 | ------- | (Angstrom) |
| Weff (?) : |
1188.68 | ------- | (Angstrom) |
| FWHM (?) : |
1225.13 | ------- | (Angstrom) |
| Af/AV (?) : |
0.659 | ------- | () |
| Fsun (?) : |
124.39 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
LRIS Transmission components: Filterid:Keck/LRIS.I
You can download here the GaiaXPy base XML file for the full Keck/LRIS filter set.
Please, take a look to GaiaXPy documentation for more information. - GaiaXPy base XML file. | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.33466e-9 | (erg/cm2/s/A) |
| |
------- |
2557.05 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Keck/LRIS.I/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.89521e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Keck/LRIS.I/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
6956.59 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Keck/LRIS.I/ST |
| |
|
Filter added: 2017-07-27 01:28:10
Last update: 2021-07-27 20:04:00 | | Keck/LRIS.NB8185 | 8187.34 | 8187.62 | 8186.97 | 8061.67 | 8318.81 | 109.27 | 2322.53 | 1.04e-9 | Keck | LRIS | Keck LRIS NB8185 filter | | Keck/LRIS.NB8560 | 8560.26 | 8560.56 | 8560.12 | 8433.70 | 8694.30 | 110.22 | 2222.61 | 9.09e-10 | Keck | LRIS | Keck LRIS NB8560 filter | | Keck/LRIS.RG850 | 9101.55 | 9124.79 | 9091.57 | 8248.34 | 9760.36 | 1240.49 | 2241.83 | 8.11e-10 | Keck | LRIS | Keck LRIS RG850 filter | | Keck/LRIS.NB9135 | 9155.02 | 9156.00 | 9153.25 | 8882.26 | 9467.67 | 140.58 | 2321.91 | 8.31e-10 | Keck | LRIS | Keck LRIS NB9135 filter | | Keck/LRIS.NB9148 | 9154.74 | 9156.20 | 9152.71 | 8861.94 | 9501.15 | 264.15 | 2259.11 | 8.08e-10 | Keck | LRIS | Keck LRIS NB9148 filter |
|
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 ≡ filter transmission<p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl</ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<br> Vg(λ) ≡ Vega spectrum.<p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</a> (units: Angstrom erg/cm2/s/A).</ul><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.bandwidth.extent.value</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission (energy counter).<br> Vg(λ) ≡ Vega spectrum.<p><i>(T(λ) must be multiplied by λ for photon counting devices)</i><p>F<sub>0,ν</sub>(Jy) = (2.9979246)<sup>-1</sup> 10<sup>5</sup> * λ<sub>ref</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}
 ≡ filter transmission (energy counter).<br> Vg(λ) ≡ Vega spectrum.<p><i>(T(λ) must be multiplied by λ for photon counting devices)</i><p><u>Property info:</u><ul><li><b>Unit</b>:erg/cm2/s/A<li><b>Utype</b>: <i>PhotCal.ZeroPoint</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<p>f(λ) ≡ flux of the spectrum<p><u>Property info:</u><ul><li><b>UCD</b>:meta.code<li><b>Utype</b>: <i>photdm:PhotometricSystem.detectorType</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<p><img src=showgraph.php?what=lmean&val=7605.2458469789&id=Keck/LRIS.I><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl</ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission<br> Vg(λ) ≡ Vega spectrum.<p><img src=showgraph.php?what=leff&val=7549.1447874599&id=Keck/LRIS.I><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</a> (units: Angstrom erg/cm2/s/A).</ul><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl.effective</ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission<p><img src=showgraph.php?what=lpiv&val=7578.7098644922&id=Keck/LRIS.I><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl</ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission<br> Vg(λ) ≡ Vega spectrum<p><img src=showgraph.php?what=lphot&val=7566.8982923851&id=Keck/LRIS.I><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</a> (units: Angstrom erg/cm2/s/A).</ul><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl</ul></td></table>',STICKY,true,CLOSEBTN,true,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><img src=showgraph.php?what=weff&val=1188.6799065626,7598.972518035,0.8564&id=Keck/LRIS.I><p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:instr.bandwidth<li><b>Utype</b>: <i>photdm:PhotometryFilter.bandwidth.extent.value</i></ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
![(?)](javascript:Tip('<b>A<sub>f</sub>/A<sub>V</sub></b><br><table cellpadding=20><td class=helptd>Ratio between extintion at λ<sub>ref</sub> and visual extintion. <p>Calculated by the service using the extinction law by <a href="http://adsabs.harvard.edu/abs/1999PASP..111...63F" target="_blank">Fitzpatrick (1999)</a> improved by <a href="http://adsabs.harvard.edu/abs/2005ApJ...619..931I" target="_blank">Indebetouw et al (2005)</a> in the infrared. <p><img src="images/extlaw.png"><p>You can download the corresponding <a href=\"getextlaw.php\" target=\"_blank\">data file</a> for the opacity k<sub>λ</sub>. The extinction at each wavelength is calculated as: A<sub>λ</sub> = A<sub>V</sub> * k<sub>λ</sub>/k<sub>V</sub>, where k<sub>λ</sub> is the opacity for a given λ and k<sub>V</sub>=211.4<p><p><u>Property info:</u><ul></ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission.<br> Sun(λ) ≡ Sun spectrum.<p><img src="images/sun.png"><p><p><u>More info:</u><p>Sun spectrum from calspec database: sun_reference_stis_002 composed with sun_mod_001 for larger wavelengths.<ul><li><a href="https://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/sun.dat" target="_blank">Sun composed spectrum</a> (units: Angstrom erg/cm2/s/A).</ul><p><u>Property info:</u><ul><li><b>Unit</b>:erg/cm2/s/A<li><b>UCD</b>:phot.flux.density</ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ 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>ref</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>VO PhotDM Utypes</u>: <br><i>PhotCal.MagnitudeSystem.type</i> -> VEGAmag <br><i>PhotCal.ZeroPoint.Flux.value</i> -> F<sub>0</sub><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</a> (units: Angstrom erg/cm2/s/A).</ul><p><u>Property info:</u><ul><li><b>UCD</b>:phot.flux.density<li><b>Utype</b>: <i>photdm:PhotCal.ZeroPoint.Flux.value</i></ul></td></table>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
