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/FOS_RED :The Faint Object Spectrograph (FOS), red detector. |
| HST/FOS_RED.G780H | 3560.36 | 4358.67 | 4094.10 | 1578.88 | 8347.86 | 3842.18 | 2371.94 | 4.24e-9 | HST | FOS | G780H grating for HST FOS_RED | | HST/FOS_RED.G190H | 3656.68 | 4394.03 | 4155.61 | 1605.16 | 8366.81 | 3727.70 | 2432.32 | 4.22e-9 | HST | FOS | G190H grating for HST FOS_RED | | HST/FOS_RED.G160L | 3651.57 | 4394.63 | 4155.14 | 1582.30 | 8365.33 | 3724.78 | 2433.80 | 4.23e-9 | HST | FOS | G160L grating for HST FOS_RED | | HST/FOS_RED.MIRROR | 3639.08 | 4401.35 | 4152.73 | 1582.61 | 8398.91 | 3702.89 | 2440.84 | 4.24e-9 | HST | FOS | MIRROR grating for HST FOS_RED | | HST/FOS_RED.G270H | 3769.15 | 4455.69 | 4223.70 | 1620.23 | 8382.89 | 3638.12 | 2498.26 | 4.2e-9 | HST | FOS | G270H grating for HST FOS_RED | | HST/FOS_RED.G400H | 3786.23 | 4518.42 | 4254.55 | 1587.74 | 8391.95 | 3391.21 | 2593.46 | 4.3e-9 | HST | FOS | G400H grating for HST FOS_RED | | HST/FOS_RED.PRISM | 3983.70 | 4577.23 | 4348.24 | 1615.29 | 8405.19 | 3427.61 | 2669.62 | 4.23e-9 | HST | FOS | PRISM grating for HST FOS_RED | | HST/FOS_RED.G570H | 4770.54 | 5157.47 | 4770.18 | 1626.55 | 8412.08 | 2664.69 | 3365.43 | 4.43e-9 | HST | FOS | G570H grating for HST FOS_RED | | HST/FOS_RED.G650L | 4982.85 | 5363.01 | 4945.85 | 1626.11 | 8443.06 | 2852.73 | 3355.78 | 4.11e-9 | HST | FOS | G650L grating for HST FOS_RED | | HST/FOS_RED.G650L | Filter Description | Filter ID (?) : | HST/FOS_RED.G650L |
| Description (?) : | G650L grating for HST FOS_RED |
| 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,red,g650l"). Please, take a look to stsynphot documentation and HST instrument documentation |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
4982.85 | ------- | (Angstrom) |
| λmean (?) : |
5363.01 | ------- | (Angstrom) |
| λcen (?) : |
5013.55 | ------- | (Angstrom) |
| λeff (?) : |
4945.85 | ------- | (Angstrom) |
| λpeak (?) : |
4610.00 | ------- | (Angstrom) |
| λpivot (?) : |
4982.85 | ------- | (Angstrom) |
| λphot (?) : |
5120.26 | ------- | (Angstrom) |
| λmin (?) : |
1626.11 | ------- | (Angstrom) |
| λmax (?) : |
8443.06 | ------- | (Angstrom) |
| Weff (?) : |
2852.73 | ------- | (Angstrom) |
| FWHM (?) : |
2489.14 | ------- | (Angstrom) |
| Af/AV (?) : |
1.15 | ------- | () |
| Fsun (?) : |
------- | ------- | (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 (?) : |
------- |
4.11274e-9 | (erg/cm2/s/A) |
| |
------- |
3355.78 | (Jy) |
| PhotCal ID (?) : |
HST/FOS_RED.G650L/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.45005e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| PhotCal ID (?) : |
HST/FOS_RED.G650L/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
2962.70 | (Jy) |
| PhotCal ID (?) : |
HST/FOS_RED.G650L/ST |
| |
|
Filter added: 2019-07-16 12:14:05
Last update: 2020-08-30 19:07:49 |
|
© SVO, 8400 filters available, Last update: 2020-09-01 | 
 ≡ 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}
 ≡ 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>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<br> Vg(λ) ≡ Vega spectrum<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=5363.0116391543&id=HST/FOS_RED.G650L><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=4945.8511190015&id=HST/FOS_RED.G650L><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=4982.8506966178&id=HST/FOS_RED.G650L><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=5120.259655175&id=HST/FOS_RED.G650L><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=2852.7252206788,5013.5508065323,0.02222513226715425&id=HST/FOS_RED.G650L><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<br> Sun(λ) ≡ Sun spectrum<p>Sun spectrum from calspec database: sun_reference_stis_002 with sun_mod_001 for larger wavelengths.<p><img src=images/sunspec.png><p><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>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}