|
| LSST/LSST.u_filter | 3562.92 | 3584.08 | 3641.17 | 3061.21 | 4080.36 | 688.46 | 1711.99 | 4.04e-9 | LSST | LSST | LSST u filter (filter only) | | LSST/LSST.u | 3680.04 | 3694.25 | 3751.20 | 3206.34 | 4081.51 | 473.19 | 2038.22 | 4.51e-9 | LSST | LSST | LSST u filter (full) | | LSST/LSST.g_filter | 4746.34 | 4807.75 | 4704.08 | 3871.96 | 5665.26 | 1335.54 | 4004.16 | 5.33e-9 | LSST | LSST | LSST u filter (filter only) | | LSST/LSST.g | 4782.26 | 4840.83 | 4740.66 | 3876.02 | 5665.33 | 1253.26 | 3990.48 | 5.23e-9 | LSST | LSST | LSST g filter (full) | | LSST/LSST.g | Filter Description | Filter ID (?) : | LSST/LSST.g |
| Description (?) : | LSST g filter (full) |
| Phot.System (?) : | LSST |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | g |
| Obs. Facility (?) : | LSST |
| Instrument (?) : | LSST |
| Comments (?) : | Full throughput: system - mirrors, lenses, filter, detector, and the zenith atmosphere.
Aerosols added to atmosphere
Version 1.5
|
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
4782.26 | ------- | (Angstrom) |
| λmean (?) : |
4840.83 | ------- | (Angstrom) |
| λcen (?) : |
4813.72 | ------- | (Angstrom) |
| λeff (?) : |
4740.66 | ------- | (Angstrom) |
| λpeak (?) : |
5372.00 | ------- | (Angstrom) |
| λpivot (?) : |
4782.26 | ------- | (Angstrom) |
| λphot (?) : |
4779.63 | ------- | (Angstrom) |
| λmin (?) : |
3876.02 | ------- | (Angstrom) |
| λmax (?) : |
5665.33 | ------- | (Angstrom) |
| Weff (?) : |
1253.26 | ------- | (Angstrom) |
| FWHM (?) : |
1419.37 | ------- | (Angstrom) |
| Af/AV (?) : |
1.19 | ------- | () |
| Fsun (?) : |
187.94 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
LSST throughputs Transmission components: Filter + Instrument + Atmosphereid:LSST/LSST.g
You can download here the GaiaXPy base XML file for the full LSST/LSST 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 (?) : |
------- |
5.23092e-9 | (erg/cm2/s/A) |
| |
------- |
3990.48 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
LSST/LSST.g/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.7597e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
LSST/LSST.g/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
2769.95 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
LSST/LSST.g/ST |
| |
|
Filter added: 2016-12-07 19:00:08
Last update: 2021-07-27 20:14:56 | | LSST/LSST.r_filter | 6201.50 | 6241.87 | 6155.82 | 5376.31 | 7055.18 | 1277.97 | 3174.49 | 2.47e-9 | LSST | LSST | LSST r filter (filter only) | | LSST/LSST.r | 6217.82 | 6257.74 | 6172.34 | 5377.19 | 7055.16 | 1206.92 | 3163.86 | 2.45e-9 | LSST | LSST | LSST r filter (full) | | LSST/LSST.i | 7532.28 | 7560.48 | 7500.97 | 6765.77 | 8325.05 | 1174.77 | 2576.07 | 1.36e-9 | LSST | LSST | LSST i filter (full) | | LSST/LSST.i_filter | 7535.67 | 7563.60 | 7504.64 | 6765.95 | 8325.18 | 1193.60 | 2574.66 | 1.36e-9 | LSST | LSST | LSST i filter (filter only) | | LSST/LSST.z | 8685.06 | 8701.29 | 8678.90 | 8035.39 | 9375.47 | 997.51 | 2261.40 | 8.99e-10 | LSST | LSST | LSST z filter (full) | | LSST/LSST.z_filter | 8701.83 | 8718.83 | 8695.51 | 8035.64 | 9380.16 | 1011.60 | 2262.26 | 8.96e-10 | LSST | LSST | LSST z filter (filter only) | | LSST/LSST.y | 9730.05 | 9749.30 | 9711.82 | 9089.07 | 10915.01 | 871.83 | 2165.23 | 6.86e-10 | LSST | LSST | LSST y filter (full) | | LSST/LSST.y_filter | 10103.58 | 10142.44 | 10056.62 | 9091.29 | 10999.99 | 1621.14 | 2072.09 | 6.09e-10 | LSST | LSST | LSST y filter (filter only) |
|
| 
 ≡ 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=4840.8261428035&id=LSST/LSST.g><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=4740.662917025&id=LSST/LSST.g><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=4782.2631044457&id=LSST/LSST.g><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=4779.631602358&id=LSST/LSST.g><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=1253.2558366386,4813.7184688064,1&id=LSST/LSST.g><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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>Filter transmission is transformed to \"<i>energy counter</i>\" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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}
