LSST :The Large Synoptic Survey Telescope LSST/LSST :LSST throughputs |
| LSST/LSST.u_filter | 3562.92 | 3584.08 | 3641.39 | 3060.00 | 4080.00 | 688.46 | 1763.20 | 3.99e-9 | LSST | LSST | LSST u filter (filter only) | | LSST/LSST.u | 3680.04 | 3694.25 | 3751.36 | 3205.54 | 4081.24 | 473.19 | 2089.26 | 4.45e-9 | LSST | LSST | LSST u filter (full) | | LSST/LSST.g_filter | 4746.34 | 4807.75 | 4705.15 | 3869.99 | 5665.01 | 1335.54 | 3923.18 | 5.31e-9 | LSST | LSST | LSST u filter (filter only) | | LSST/LSST.g_filter | Filter Description | Filter ID (?) : | LSST/LSST.g_filter |
| Description (?) : | LSST u filter (filter only) |
| Phot.System (?) : | LSST |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | g |
| Obs. Facility (?) : | LSST |
| Instrument (?) : | LSST |
| Comments (?) : | Version 1.5
|
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
4746.34 | ------- | (Angstrom) |
| λmean (?) : |
4807.75 | ------- | (Angstrom) |
| λcen (?) : |
4766.99 | ------- | (Angstrom) |
| λeff (?) : |
4705.15 | ------- | (Angstrom) |
| λpeak (?) : |
4158.00 | ------- | (Angstrom) |
| λpivot (?) : |
4746.34 | ------- | (Angstrom) |
| λphot (?) : |
4745.54 | ------- | (Angstrom) |
| λmin (?) : |
3869.99 | ------- | (Angstrom) |
| λmax (?) : |
5665.01 | ------- | (Angstrom) |
| Weff (?) : |
1335.54 | ------- | (Angstrom) |
| FWHM (?) : |
1503.97 | ------- | (Angstrom) |
| Af/AV (?) : |
1.21 | ------- | () |
| Fsun (?) : |
187.17 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
LSST throughputs Transmission components: Filter + Instrument + Atmosphere | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
5.31265e-9 | (erg/cm2/s/A) |
| |
------- |
3923.18 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
LSST/LSST.g_filter/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.91699e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
LSST/LSST.g_filter/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
2681.35 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
LSST/LSST.g_filter/ST |
| |
|
Filter added: 2020-01-13 10:39:21
Last update: 2021-02-25 10:30:45 | | LSST/LSST.g | 4782.26 | 4840.83 | 4741.64 | 3873.01 | 5665.07 | 1253.26 | 3912.27 | 5.22e-9 | LSST | LSST | LSST g filter (full) | | LSST/LSST.r_filter | 6201.50 | 6241.87 | 6156.71 | 5375.02 | 7054.98 | 1277.97 | 3136.90 | 2.48e-9 | LSST | LSST | LSST r filter (filter only) | | LSST/LSST.r | 6217.82 | 6257.74 | 6173.23 | 5375.74 | 7054.95 | 1206.92 | 3127.01 | 2.46e-9 | LSST | LSST | LSST r filter (full) | | LSST/LSST.i | 7532.28 | 7560.48 | 7501.62 | 6765.00 | 8324.70 | 1174.76 | 2578.26 | 1.37e-9 | LSST | LSST | LSST i filter (full) | | LSST/LSST.i_filter | 7535.67 | 7563.60 | 7505.28 | 6764.99 | 8325.01 | 1193.60 | 2577.10 | 1.37e-9 | LSST | LSST | LSST i filter (filter only) | | LSST/LSST.z | 8685.06 | 8701.29 | 8679.19 | 8034.98 | 9374.71 | 997.51 | 2272.35 | 9.04e-10 | LSST | LSST | LSST z filter (full) | | LSST/LSST.z_filter | 8701.83 | 8718.83 | 8695.89 | 8034.99 | 9380.01 | 1011.60 | 2273.92 | 9.02e-10 | LSST | LSST | LSST z filter (filter only) | | LSST/LSST.y | 9730.07 | 9749.32 | 9711.53 | 9088.94 | 10897.23 | 871.76 | 2186.55 | 6.95e-10 | LSST | LSST | LSST y filter (full) | | LSST/LSST.y_filter | 10103.55 | 10142.41 | 10056.64 | 9090.18 | 10999.99 | 1621.08 | 2081.95 | 6.17e-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<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>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.SpectralAxis.Coverage.Bounds.Extent</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>Utype</b>: <i>photdm:PhotometricSystem.detectorType</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<p><img src=showgraph.php?what=lmean&val=4807.7509321057&id=LSST/LSST.g_filter><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>',STICKY,true,CLOSEBTN,true,WIDTH,400)){kind=link}
 ≡ filter transmission (photon counter)<br> Vg(λ) ≡ Vega spectrum<p><img src=showgraph.php?what=leff&val=4705.1528942014&id=LSST/LSST.g_filter><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=4746.3427051605&id=LSST/LSST.g_filter><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 (photon counter)<br> Vg(λ) ≡ Vega spectrum<p><img src=showgraph.php?what=lphot&val=4745.5374873142&id=LSST/LSST.g_filter><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=1335.543650708,4766.9865992372,0.928151&id=LSST/LSST.g_filter><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>',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/extinctionlaw.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 (photon counter).<br> Sun(λ) ≡ Sun spectrum.<p><img src=images/sunspec.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 (photon counter).<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}
