HST :The Hubble Space Telescope (HST) is a cooperative program of the European Space Agency (ESA) and the National Aeronautics and Space Administration (NASA) to operate a space-based observatory for the benefit of the international astronomical community. HST/FOC_F48 :The Faint Object Camera (FOC), f/48 detector. |
| HST/FOC_F48.F140W | 1658.09 | 1915.69 | 1905.14 | 1183.23 | 3800.55 | 583.48 | 602.46 | 4.98e-9 | HST | FOC | F140W filter for HST FOC_F/48 | | HST/FOC_F48.F150W | 1763.51 | 1981.54 | 1934.55 | 1165.36 | 4103.93 | 934.50 | 667.57 | 5.35e-9 | HST | FOC | F150W filter for HST FOC_F/48 | | HST/FOC_F48.F175W | 1915.59 | 2064.15 | 1999.69 | 1157.32 | 3901.47 | 875.71 | 729.64 | 5.47e-9 | HST | FOC | F175W filter for HST FOC_F/48 | | HST/FOC_F48.F220W | 2304.68 | 2355.11 | 2324.47 | 1652.89 | 3417.50 | 552.65 | 803.42 | 4.46e-9 | 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 | | λref (?) : |
2304.68 | ------- | (Angstrom) |
| 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 | ------- | () |
| Fsun (?) : |
9.63 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
stsynphot documentation Transmission components: Filter + Instrument | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.45774e-9 | (erg/cm2/s/A) |
| |
------- |
803.42 | (Jy) |
| PhotCal ID (?) : |
HST/FOC_F48.F220W/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.01465e-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: 2020-12-10 16:30:37 | | HST/FOC_F48.F195W | 2272.20 | 2597.94 | 2547.97 | 1160.30 | 5306.36 | 1397.79 | 1034.42 | 4.78e-9 | HST | FOC | F195W filter for HST FOC_F/48 | | HST/FOC_F48.F275W | 2782.61 | 2852.64 | 2841.78 | 1650.59 | 4096.47 | 761.34 | 1015.62 | 3.77e-9 | HST | FOC | F275W filter for HST FOC_F/48 | | HST/FOC_F48.F342W | 3402.24 | 3428.79 | 3440.00 | 2866.47 | 3928.39 | 677.61 | 1342.06 | 3.4e-9 | HST | FOC | F342W filter for HST FOC_F/48 | | HST/FOC_F48.F130LP | 3241.24 | 3731.93 | 3781.37 | 1223.54 | 6474.31 | 2793.23 | 2246.81 | 4.71e-9 | HST | FOC | F130LP filter for HST FOC_F/48 | | HST/FOC_F48.F430W | 4152.41 | 4190.39 | 4198.31 | 3531.56 | 5138.88 | 940.40 | 3700.59 | 6.29e-9 | HST | FOC | F430W filter for HST FOC_F/48 | | HST/FOC_F48.PRISM1 | 3626.39 | 8126.25 | 3846.36 | 1149.31 | 6461.39 | 3605.77 | 1825.62 | 3.7e-9 | HST | FOC | PRISM1 filter for HST FOC_F/48 | | HST/FOC_F48.PRISM3 | 3642.53 | 8287.37 | 3848.73 | 1139.31 | 6462.76 | 3615.44 | 1807.44 | 3.66e-9 | HST | FOC | PRISM3 filter for HST FOC_F/48 | | HST/FOC_F48.PRISM2 | 3836.43 | 8669.65 | 3915.91 | 1177.92 | 6469.42 | 3636.34 | 1824.49 | 3.57e-9 | HST | FOC | PRISM2 filter for HST FOC_F/48 | | HST/FOC_F48.F180LP | 3870.86 | 8851.72 | 3923.20 | 1611.03 | 6473.65 | 3702.21 | 1786.35 | 3.48e-9 | HST | FOC | F180LP filter for HST FOC_F/48 | | HST/FOC_F48.F305LP | 4860.81 | 10513.42 | 4358.95 | 2910.99 | 6476.36 | 2925.12 | 2185.51 | 3.45e-9 | HST | FOC | F305LP filter for HST FOC_F/48 |
|
© SVO, 8999 filters available, Last update: 2021-01-15 | 
 ≡ 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://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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=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 (photon counter)<br> Vg(λ) ≡ Vega spectrum<p><img src=showgraph.php?what=leff&val=2324.4697981659&id=HST/FOC_F48.F220W><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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=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 (photon counter)<br> Vg(λ) ≡ Vega spectrum<p><img src=showgraph.php?what=lphot&val=2370.3169912433&id=HST/FOC_F48.F220W><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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=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>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://ssb.stsci.edu/cdbs_open/cdbs/current_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://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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}
