|
| HST/FOC_F48.F140W | 1915.7 | 1905.1 | 1183 | 3801 | 583.5 | 602.5 | HST | FOC | F140W filter for HST FOC_F/48 | | HST/FOC_F48.F150W | 1981.5 | 1934.6 | 1165 | 4104 | 934.5 | 667.6 | HST | FOC | F150W filter for HST FOC_F/48 | | HST/FOC_F48.F175W | 2064.1 | 1999.7 | 1157 | 3901 | 875.7 | 729.6 | HST | FOC | F175W filter for HST FOC_F/48 | | HST/FOC_F48.F220W | 2355.1 | 2324.5 | 1653 | 3418 | 552.7 | 803.4 | HST | FOC | F220W filter for HST FOC_F/48 | | HST/FOC_F48.F220W | Filter Description | Filter ID (?) : | HST/FOC_F48.F220W |
| Description (?) : | F220W filter for HST FOC_F/48 |
| Phot.System (?) : | ------ |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | HST |
| Instrument (?) : | FOC |
| Comments (?) : | Response calculated using the stsynphot python package by STScI. In particular, function stsynphot.band("foc,f/48,f220w"). Please, take a look to stsynphot documentation and HST instrument documentation |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λmean (?) : |
2355.11 | ------- | (Angstrom) |
| λcen (?) : |
2275.90 | ------- | (Angstrom) |
| λeff (?) : |
2324.47 | ------- | (Angstrom) |
| λpeak (?) : |
2260.00 | ------- | (Angstrom) |
| λpivot (?) : |
2304.68 | ------- | (Angstrom) |
| λphot (?) : |
2370.32 | ------- | (Angstrom) |
| λmin (?) : |
1652.89 | ------- | (Angstrom) |
| λmax (?) : |
3417.50 | ------- | (Angstrom) |
| Weff (?) : |
552.65 | ------- | (Angstrom) |
| FWHM (?) : |
470.24 | ------- | (Angstrom) |
| Af/AV (?) : |
2.78 | ------- | () |
| Transmission curve
Data file: ascii, VOTable Reference for filter response:
stsynphot documentation | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.458e-9 | (erg/cm2/s/A) |
| |
------- |
803.42 | (Jy) |
| PhotCal ID (?) : |
HST/FOC_F48.F220W/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.015e-8 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| PhotCal ID (?) : |
HST/FOC_F48.F220W/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
654.42 | (Jy) |
| PhotCal ID (?) : |
HST/FOC_F48.F220W/ST |
| |
|
Filter added: 2019-07-16 12:12:48
Last update: 2019-09-25 12:36:45 | | HST/FOC_F48.F195W | 2597.9 | 2548.0 | 1160 | 5306 | 1397.8 | 1034.4 | HST | FOC | F195W filter for HST FOC_F/48 | | HST/FOC_F48.F275W | 2852.6 | 2841.8 | 1651 | 4096 | 761.3 | 1015.6 | HST | FOC | F275W filter for HST FOC_F/48 | | HST/FOC_F48.F130LP | 3416.5 | 3461.8 | 1224 | 6474 | 2862.1 | 1858.5 | HST | FOC | F130LP filter for HST FOC_F/48 | | HST/FOC_F48.F342W | 3428.8 | 3440.0 | 2866 | 3928 | 677.6 | 1342.1 | HST | FOC | F342W filter for HST FOC_F/48 | | HST/FOC_F48.F430W | 4190.4 | 4198.3 | 3532 | 5139 | 940.4 | 3700.6 | HST | FOC | F430W filter for HST FOC_F/48 | | HST/FOC_F48.PRISM1 | 8126.3 | 3846.4 | 1149 | 6461 | 3605.8 | 1825.6 | HST | FOC | PRISM1 filter for HST FOC_F/48 | | HST/FOC_F48.PRISM3 | 8287.4 | 3848.7 | 1139 | 6463 | 3615.4 | 1807.4 | HST | FOC | PRISM3 filter for HST FOC_F/48 | | HST/FOC_F48.PRISM2 | 8669.6 | 3915.9 | 1178 | 6469 | 3636.3 | 1824.5 | HST | FOC | PRISM2 filter for HST FOC_F/48 | | HST/FOC_F48.F180LP | 8851.7 | 3923.2 | 1611 | 6474 | 3702.2 | 1786.3 | HST | FOC | F180LP filter for HST FOC_F/48 | | HST/FOC_F48.F305LP | 10513.4 | 4359.0 | 2911 | 6476 | 2925.1 | 2185.5 | HST | FOC | F305LP filter for HST FOC_F/48 |
|
© SVO, 5124 filters available, Last update: 2019-11-30 | 
 ≡ 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>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}
</b><br><table cellpadding=20><td class=helptd>Zero Point in Vega System.<p>Calculated by the service as:<p><img src=images/latex/zp.png> <p>where:<p> T(λ) ≡ 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>eff</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<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=2355.1129962258&id=HST/FOC_F48.F220W><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<br> Vg(λ) ≡ Vega spectrum<p><img src=showgraph.php?what=leff&val=2324.4697981659&id=HST/FOC_F48.F220W><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=2304.6780415719&id=HST/FOC_F48.F220W><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=2370.3169912433&id=HST/FOC_F48.F220W><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=552.65137950546,2275.898998415,0.015534708150912345&id=HST/FOC_F48.F220W><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>eff</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<br> Vg(λ) ≡ Vega spectrum<p>F<sub>0,ν</sub>(Jy) = (2.9979246)<sup>-1</sup> 10<sup>5</sup> * λ<sub>eff</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>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}