|
| HST/FOS_BLUE.G130H | 3304.2 | 3397.7 | 1160 | 5484 | 2313.6 | 1784.6 | HST | FOS | G130H grating for HST FOS_BLUE | | HST/FOS_BLUE.MIRROR | 3346.0 | 3450.2 | 1160 | 5489 | 2201.7 | 1839.7 | HST | FOS | MIRROR grating for HST FOS_BLUE | | HST/FOS_BLUE.MIRROR | Filter Description | Filter ID (?) : | HST/FOS_BLUE.MIRROR |
| Description (?) : | MIRROR grating for HST FOS_BLUE |
| Phot.System (?) : | ------ |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | HST |
| Instrument (?) : | FOS |
| Comments (?) : | Response calculated using the stsynphot python package by STScI. In particular, function stsynphot.band("fos,blue,mirror"). Please, take a look to stsynphot documentation and HST instrument documentation |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λmean (?) : |
3345.97 | ------- | (Angstrom) |
| λcen (?) : |
3155.95 | ------- | (Angstrom) |
| λeff (?) : |
3450.23 | ------- | (Angstrom) |
| λpeak (?) : |
3200.00 | ------- | (Angstrom) |
| λpivot (?) : |
2967.59 | ------- | (Angstrom) |
| λphot (?) : |
3667.86 | ------- | (Angstrom) |
| λmin (?) : |
1160.00 | ------- | (Angstrom) |
| λmax (?) : |
5489.47 | ------- | (Angstrom) |
| Weff (?) : |
2201.65 | ------- | (Angstrom) |
| FWHM (?) : |
2126.71 | ------- | (Angstrom) |
| Af/AV (?) : |
1.65 | ------- | () |
| Transmission curve
Data file: ascii, VOTable Reference for filter response:
stsynphot documentation | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.633e-9 | (erg/cm2/s/A) |
| |
------- |
1839.73 | (Jy) |
| PhotCal ID (?) : |
HST/FOS_BLUE.MIRROR/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
9.144e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| PhotCal ID (?) : |
HST/FOS_BLUE.MIRROR/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
1441.79 | (Jy) |
| PhotCal ID (?) : |
HST/FOS_BLUE.MIRROR/ST |
| |
|
Filter added: 2019-07-16 12:14:04
Last update: 2019-09-25 12:36:45 | | HST/FOS_BLUE.G190H | 3355.5 | 3465.2 | 1160 | 5484 | 2239.3 | 1841.9 | HST | FOS | G190H grating for HST FOS_BLUE | | HST/FOS_BLUE.G160L | 3386.4 | 3496.9 | 1182 | 5484 | 2184.0 | 1877.4 | HST | FOS | G160L ORDER0filter for HST FOS_BLUE ORDER0 | | HST/FOS_BLUE.G400H | 3426.0 | 3530.7 | 1160 | 5490 | 1882.6 | 1951.5 | HST | FOS | G400H grating for HST FOS_BLUE | | HST/FOS_BLUE.G270H | 3455.7 | 3577.6 | 1604 | 5483 | 2067.9 | 1963.5 | HST | FOS | G270H grating for HST FOS_BLUE | | HST/FOS_BLUE.PRISM | 3526.7 | 3659.1 | 1793 | 5489 | 1879.6 | 2028.5 | HST | FOS | PRISM grating for HST FOS_BLUE |
| Filter Plots
 |
|
© 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=3345.9715137154&id=HST/FOS_BLUE.MIRROR><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=3450.231772264&id=HST/FOS_BLUE.MIRROR><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=2967.5924844484&id=HST/FOS_BLUE.MIRROR><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=3667.8606611737&id=HST/FOS_BLUE.MIRROR><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=2201.6519710658,3155.946699273,0.027526747160158974&id=HST/FOS_BLUE.MIRROR><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}