| FengYun/FY3B-IRAS.CH21 | 6871.30 | 6877.36 | 6866.29 | 6421.14 | 7464.43 | 494.39 | 2833.97 | 1.8e-9 | FY-3B | IRAS | FY-3B IRAS Channel 21 Spectral Response |
| FengYun/FY3B-IRAS.CH22 | 8845.90 | 8848.15 | 8846.04 | 8532.35 | 9213.27 | 307.82 | 2261.04 | 8.66e-10 | FY-3B | IRAS | FY-3B IRAS Channel 22 Spectral Response |
| FengYun/FY3B-IRAS.CH24 | 9400.66 | 9401.58 | 9399.10 | 9151.18 | 9638.96 | 184.83 | 2291.93 | 7.78e-10 | FY-3B | IRAS | FY-3B IRAS Channel 24 Spectral Response |
| FengYun/FY3B-IRAS.CH23 | 9451.54 | 9456.69 | 9446.90 | 8873.99 | 10061.36 | 493.16 | 2216.86 | 7.45e-10 | FY-3B | IRAS | FY-3B IRAS Channel 23 Spectral Response |
| FengYun/FY3B-IRAS.CH25 | 12418.51 | 12431.12 | 12397.27 | 11684.95 | 13386.00 | 996.79 | 1540.27 | 3.0e-10 | FY-3B | IRAS | FY-3B IRAS Channel 25 Spectral Response |
| FengYun/FY3B-IRAS.CH26 | 16497.52 | 16512.60 | 16479.94 | 15209.70 | 17602.38 | 1237.51 | 1000.57 | 1.1e-10 | FY-3B | IRAS | FY-3B IRAS Channel 26 Spectral Response |
| FengYun/FY3B-IRAS.CH20 | 37549.96 | 37570.10 | 37519.43 | 34984.52 | 40226.74 | 1677.19 | 241.55 | 5.14e-12 | FY-3B | IRAS | FY-3B IRAS Channel 20 Spectral Response |
| FengYun/FY3B-IRAS.CH19 | 39705.66 | 39708.18 | 39701.11 | 38780.31 | 40672.93 | 623.48 | 220.12 | 4.19e-12 | FY-3B | IRAS | FY-3B IRAS Channel 19 Spectral Response |
| FengYun/FY3B-IRAS.CH18 | 41892.62 | 41894.33 | 41891.93 | 41160.38 | 42779.31 | 495.18 | 197.07 | 3.37e-12 | FY-3B | IRAS | FY-3B IRAS Channel 18 Spectral Response |
| FengYun/FY3B-IRAS.CH17 | 44571.71 | 44573.54 | 44569.04 | 43793.02 | 45402.23 | 529.28 | 177.92 | 2.69e-12 | FY-3B | IRAS | FY-3B IRAS Channel 17 Spectral Response |
| FengYun/FY3B-IRAS.CH16 | 44729.03 | 44730.85 | 44726.26 | 43952.14 | 45519.07 | 513.87 | 176.78 | 2.65e-12 | FY-3B | IRAS | FY-3B IRAS Channel 16 Spectral Response |
| FengYun/FY3B-IRAS.CH15 | 45191.31 | 45193.25 | 45188.13 | 44376.40 | 46106.04 | 538.25 | 173.39 | 2.55e-12 | FY-3B | IRAS | FY-3B IRAS Channel 15 Spectral Response |
| FengYun/FY3B-IRAS.CH15 | Filter Description | Filter ID (?) : | FengYun/FY3B-IRAS.CH15 |
| Description (?) : | FY-3B IRAS Channel 15 Spectral Response |
| Phot.System (?) : | IRAS |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | FY-3B |
| Instrument (?) : | IRAS |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
45191.31 | ------- | (Angstrom) |
| λmean (?) : |
45193.25 | ------- | (Angstrom) |
| λcen (?) : |
45188.81 | ------- | (Angstrom) |
| λeff (?) : |
45188.13 | ------- | (Angstrom) |
| λpeak (?) : |
45171.20 | ------- | (Angstrom) |
| λpivot (?) : |
45191.31 | ------- | (Angstrom) |
| λphot (?) : |
45189.42 | ------- | (Angstrom) |
| λmin (?) : |
44376.40 | ------- | (Angstrom) |
| λmax (?) : |
46106.04 | ------- | (Angstrom) |
| Weff (?) : |
538.25 | ------- | (Angstrom) |
| FWHM (?) : |
489.22 | ------- | (Angstrom) |
| Af/AV (?) : |
0.0515 | ------- | () |
| Fsun (?) : |
0.474 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
FengYun Spectral Response Functions Transmission components: Filter + CCD + Instrument | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.54558e-12 | (erg/cm2/s/A) |
| |
------- |
173.39 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
FengYun/FY3B-IRAS.CH15/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
5.33087e-11 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
FengYun/FY3B-IRAS.CH15/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
247317.23 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
FengYun/FY3B-IRAS.CH15/ST |
| |
|
Filter added: 2020-08-19 12:29:33
Last update: 2020-12-10 16:28:59 |
| FengYun/FY3B-IRAS.CH14 | 45619.45 | 45621.14 | 45616.59 | 44827.90 | 46420.88 | 525.42 | 170.29 | 2.45e-12 | FY-3B | IRAS | FY-3B IRAS Channel 14 Spectral Response |
| FengYun/FY3B-IRAS.CH13 | 65227.29 | 65259.00 | 65176.66 | 61596.25 | 69826.64 | 2514.20 | 86.35 | 6.09e-13 | FY-3B | IRAS | FY-3B IRAS Channel 13 Spectral Response |
| FengYun/FY3B-IRAS.CH12 | 73150.80 | 73178.14 | 73103.07 | 69653.48 | 77123.72 | 2523.89 | 69.05 | 3.87e-13 | FY-3B | IRAS | FY-3B IRAS Channel 12 Spectral Response |
| FengYun/FY3B-IRAS.CH11 | 74240.32 | 74280.11 | 74170.43 | 70211.43 | 79919.28 | 2928.90 | 66.60 | 3.63e-13 | FY-3B | IRAS | FY-3B IRAS Channel 11 Spectral Response |
| FengYun/FY3B-IRAS.CH10 | 96967.13 | 96993.32 | 96924.67 | 92514.09 | 101391.53 | 2632.15 | 40.11 | 1.28e-13 | FY-3B | IRAS | FY-3B IRAS Channel 10 Spectral Response |
| FengYun/FY3B-IRAS.CH09 | 111047.64 | 111110.01 | 110942.37 | 103929.39 | 119058.56 | 4661.12 | 30.70 | 7.48e-14 | FY-3B | IRAS | FY-3B IRAS Channel 9 Spectral Response |
| FengYun/FY3B-IRAS.CH08 | 125128.98 | 125200.10 | 125003.78 | 117673.58 | 134180.48 | 5156.36 | 24.11 | 4.62e-14 | FY-3B | IRAS | FY-3B IRAS Channel 8 Spectral Response |
| FengYun/FY3B-IRAS.CH07 | 133881.31 | 133903.94 | 133843.45 | 129024.77 | 139030.23 | 3328.42 | 21.30 | 3.56e-14 | FY-3B | IRAS | FY-3B IRAS Channel 7 Spectral Response |
| FengYun/FY3B-IRAS.CH06 | 136522.02 | 136544.37 | 136485.09 | 131981.10 | 142168.71 | 3159.08 | 20.50 | 3.3e-14 | FY-3B | IRAS | FY-3B IRAS Channel 6 Spectral Response |
| FengYun/FY3B-IRAS.CH05 | 140003.11 | 140022.16 | 139971.70 | 135382.37 | 144909.17 | 2985.42 | 19.50 | 2.98e-14 | FY-3B | IRAS | FY-3B IRAS Channel 5 Spectral Response |
| FengYun/FY3B-IRAS.CH04 | 142093.24 | 142117.25 | 142053.69 | 137166.45 | 147572.17 | 3499.33 | 18.94 | 2.81e-14 | FY-3B | IRAS | FY-3B IRAS Channel 4 Spectral Response |
| FengYun/FY3B-IRAS.CH03 | 145116.50 | 145139.45 | 145078.76 | 139984.67 | 150253.33 | 3344.27 | 18.17 | 2.59e-14 | FY-3B | IRAS | FY-3B IRAS Channel 3 Spectral Response |
| FengYun/FY3B-IRAS.CH02 | 147201.09 | 147222.91 | 147165.72 | 142339.47 | 153042.97 | 3212.61 | 17.66 | 2.44e-14 | FY-3B | IRAS | FY-3B IRAS Channel 2 Spectral Response |
| FengYun/FY3B-IRAS.CH01 | 149480.10 | 149484.08 | 149473.38 | 146525.20 | 151677.23 | 831.51 | 17.14 | 2.3e-14 | FY-3B | IRAS | FY-3B IRAS Channel 1 Spectral Response |
 ≡ 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=45193.252567638&id=FengYun/FY3B-IRAS.CH15><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=45188.134662323&id=FengYun/FY3B-IRAS.CH15><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=45191.314621404&id=FengYun/FY3B-IRAS.CH15><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=45189.418733116&id=FengYun/FY3B-IRAS.CH15><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=538.24833818642,45188.81225339,0.763527&id=FengYun/FY3B-IRAS.CH15><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}
