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.id:HST/FOC_F48.a → GaiaXPy base XML file. You can download here the GaiaXPy base XML file for the full HST/FOC_F48 filter set. Please, take a look to the GaiaXPy web page and additional documentation for more information. |
| HST/FOC_F48.F140W | 1657.87 | 1914.43 | 1899.00 | 1185.60 | 4685.71 | 583.30 | 468.99 | 5.12e-9 | HST | FOC | F140W filter for HST FOC_F/48 | | HST/FOC_F48.F150W | 1763.40 | 1980.88 | 1929.39 | 1166.74 | 4865.40 | 934.34 | 569.94 | 5.49e-9 | HST | FOC | F150W filter for HST FOC_F/48 | | HST/FOC_F48.F175W | 1915.47 | 2063.57 | 1996.17 | 1163.52 | 4544.03 | 875.58 | 687.84 | 5.62e-9 | HST | FOC | F175W filter for HST FOC_F/48 | | HST/FOC_F48.F175W | Filter Description | Filter ID (?) : | HST/FOC_F48.F175W |
| Description (?) : | F175W filter for HST FOC_F/48 |
| Phot.System (?) : | FOC-F48 |
| 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,f175w"). Please, take a look to stsynphot documentation and HST instrument documentation |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
1915.47 | ------- | (Angstrom) |
| λmean (?) : |
2063.57 | ------- | (Angstrom) |
| λcen (?) : |
1873.10 | ------- | (Angstrom) |
| λeff (?) : |
1996.17 | ------- | (Angstrom) |
| λpeak (?) : |
1850.00 | ------- | (Angstrom) |
| λpivot (?) : |
1915.47 | ------- | (Angstrom) |
| λphot (?) : |
2134.42 | ------- | (Angstrom) |
| λmin (?) : |
1163.52 | ------- | (Angstrom) |
| λmax (?) : |
4544.03 | ------- | (Angstrom) |
| Weff (?) : |
875.58 | ------- | (Angstrom) |
| FWHM (?) : |
730.15 | ------- | (Angstrom) |
| Af/AV (?) : |
2.65 | ------- | () |
| Fsun (?) : |
------- | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
stsynphot documentation Transmission components: Filter + CCD + Instrumentid:HST/FOC_F48.F175W
You can download here the GaiaXPy base XML file for the full HST/FOC_F48 filter set.
Please, take a look to GaiaXPy documentation for more information. - GaiaXPy base XML file. | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
5.62027e-9 | (erg/cm2/s/A) |
| |
------- |
687.84 | (Jy) |
| PhotCal ID (?) : |
HST/FOC_F48.F175W/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.96687e-8 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| PhotCal ID (?) : |
HST/FOC_F48.F175W/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
444.38 | (Jy) |
| PhotCal ID (?) : |
HST/FOC_F48.F175W/ST |
| |
|
Filter added: 2019-07-16 12:12:47
Last update: 2022-03-01 15:10:26 | | HST/FOC_F48.F220W | 2304.53 | 2354.64 | 2322.85 | 1660.38 | 3609.62 | 552.56 | 803.77 | 4.54e-9 | HST | FOC | F220W filter for HST FOC_F/48 | | HST/FOC_F48.F195W | 2272.39 | 2598.96 | 2541.65 | 1174.12 | 5763.14 | 1398.20 | 838.47 | 4.87e-9 | HST | FOC | F195W filter for HST FOC_F/48 | | HST/FOC_F48.F275W | 2782.54 | 2852.44 | 2840.95 | 1664.43 | 4243.08 | 761.28 | 986.50 | 3.82e-9 | HST | FOC | F275W filter for HST FOC_F/48 | | HST/FOC_F48.F342W | 3402.30 | 3428.69 | 3439.71 | 2871.29 | 3932.60 | 677.52 | 1331.87 | 3.45e-9 | HST | FOC | F342W filter for HST FOC_F/48 | | HST/FOC_F48.F430W | 4152.93 | 4190.51 | 4197.10 | 3533.34 | 5158.89 | 940.34 | 3649.80 | 6.34e-9 | HST | FOC | F430W filter for HST FOC_F/48 | | HST/FOC_F48.PRISM1 | 3626.42 | 8126.28 | 3847.11 | 1160.37 | 30000.00 | 3605.76 | 1646.50 | 3.75e-9 | HST | FOC | PRISM1 filter for HST FOC_F/48 | | HST/FOC_F48.PRISM3 | 3642.53 | 8287.38 | 3849.80 | 1158.25 | 30000.00 | 3615.43 | 1643.01 | 3.71e-9 | HST | FOC | PRISM3 filter for HST FOC_F/48 | | HST/FOC_F48.PRISM2 | 3836.46 | 8669.67 | 3917.56 | 1327.23 | 30000.00 | 3636.32 | 1777.01 | 3.62e-9 | HST | FOC | PRISM2 filter for HST FOC_F/48 | | HST/FOC_F48.F130LP | 3726.47 | 8770.10 | 3871.46 | 1231.36 | 30000.00 | 3743.02 | 1667.21 | 3.6e-9 | HST | FOC | F130LP filter for HST FOC_F/48 | | HST/FOC_F48.F180LP | 3870.86 | 8851.74 | 3925.62 | 1619.09 | 30000.00 | 3702.18 | 1787.10 | 3.58e-9 | HST | FOC | F180LP filter for HST FOC_F/48 | | HST/FOC_F48.F305LP | 4860.81 | 10513.47 | 4371.89 | 2915.10 | 30000.00 | 2925.09 | 2700.12 | 3.43e-9 | HST | FOC | F305LP filter for HST FOC_F/48 |
|
| 
 ≡ 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}
 ≡ filter transmission<p>f(λ) ≡ flux of the spectrum<p><u>Property info:</u><ul><li><b>UCD</b>:meta.code<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=2063.5697635719&id=HST/FOC_F48.F175W><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=leff&val=1996.1719064391&id=HST/FOC_F48.F175W><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=1915.4650536122&id=HST/FOC_F48.F175W><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=2134.4183059011&id=HST/FOC_F48.F175W><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=875.5832135011,1873.1023957684,1&id=HST/FOC_F48.F175W><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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>',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/extlaw.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> Sun(λ) ≡ Sun spectrum.<p><img src="images/sun.png"><p><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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.<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>Filter transmission is transformed to \"<i>energy counter</i>\" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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}
