SPOT :SPOT is a commercial high-resolution optical imaging Earth observation satellite system operating from space. SPOT/VGT :The overall objectives of the id:SPOT/VGT.a |
| SPOT/VGT.Blue | 4588.29 | 4595.00 | 4585.11 | 4202.75 | 4994.50 | 409.63 | 4172.73 | 5.94e-9 | SPOT | VGT | SPOT Vegetation Blue spectral response | | SPOT/VGT.Red | 6603.10 | 6620.40 | 6584.99 | 6001.32 | 7487.50 | 800.00 | 2963.51 | 2.04e-9 | SPOT | VGT | SPOT Vegetation Red spectral response | | SPOT/VGT.NIR | 8320.78 | 8347.09 | 8301.59 | 7383.00 | 9517.00 | 1202.41 | 2332.69 | 1.01e-9 | SPOT | VGT | SPOT Vegetation NIR spectral response | | SPOT/VGT.SWIR | 16484.26 | 16495.66 | 16471.20 | 15406.00 | 17694.00 | 944.81 | 993.87 | 1.1e-10 | SPOT | VGT | SPOT Vegetation SWIR spectral response |
| Filter Plots
 |
|
| 
 ≡ 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}
