| HST/STIS_FUV.F25LYA | 1243.11 | 1248.35 | 1366.02 | 1150.00 | 1531.27 | 99.18 | 51.67 | 1.0e-9 | HST | STIS | F25LYA filter for HST STIS_FUV, with no grating |
| HST/STIS_FUV.F25LYA_G140L | 1245.59 | 1250.56 | 1356.24 | 1150.00 | 1539.50 | 116.00 | 56.20 | 1.09e-9 | HST | STIS | F25LYA filter for HST STIS_FUV, with G140L grating |
| HST/STIS_FUV.F25LYA_G140M | 1246.33 | 1251.03 | 1353.36 | 1150.00 | 1527.02 | 111.57 | 55.62 | 1.07e-9 | HST | STIS | F25LYA filter for HST STIS_FUV, with G140M grating |
| HST/STIS_FUV.25MAMA_G140M | 1349.42 | 1365.81 | 1442.31 | 1150.00 | 1742.25 | 278.07 | 238.11 | 3.92e-9 | HST | STIS | 25MAMA filter for HST STIS_FUV, with G140M grating |
| HST/STIS_FUV.F25ND3_G140M | 1352.40 | 1368.23 | 1440.82 | 1150.00 | 1742.25 | 277.54 | 244.38 | 4.01e-9 | HST | STIS | F25ND3 filter for HST STIS_FUV, with G140M grating |
| HST/STIS_FUV.25MAMA_G140L | 1352.70 | 1369.37 | 1445.14 | 1150.00 | 1725.00 | 297.45 | 244.93 | 4.01e-9 | HST | STIS | 25MAMA filter for HST STIS_FUV, with G140L grating |
| HST/STIS_FUV.F25ND3_G140L | 1355.91 | 1372.03 | 1443.85 | 1150.00 | 1725.00 | 295.95 | 251.46 | 4.1e-9 | HST | STIS | F25ND3 filter for HST STIS_FUV, with G140L grating |
| HST/STIS_FUV.F25ND5_G140M | 1357.63 | 1375.20 | 1451.47 | 1150.00 | 1742.25 | 281.75 | 249.15 | 4.05e-9 | HST | STIS | F25ND5 filter for HST STIS_FUV, with G140M grating |
| HST/STIS_FUV.F25ND5_G140L | 1361.39 | 1379.19 | 1454.38 | 1150.00 | 1725.00 | 302.10 | 256.71 | 4.15e-9 | HST | STIS | F25ND5 filter for HST STIS_FUV, with G140L grating |
| HST/STIS_FUV.F25NDQ2_G140M | 1372.32 | 1389.96 | 1457.77 | 1160.22 | 1742.25 | 311.60 | 275.26 | 4.38e-9 | HST | STIS | F25NDQ2 filter for HST STIS_FUV, with G140M grating |
| HST/STIS_FUV.25MAMA | 1368.89 | 1391.78 | 1475.48 | 1150.00 | 1888.42 | 345.49 | 261.57 | 4.18e-9 | HST | STIS | 25MAMA filter for HST STIS_FUV, with no grating |
| HST/STIS_FUV.F25ND3 | 1370.66 | 1392.25 | 1471.27 | 1150.00 | 1878.96 | 347.62 | 266.06 | 4.25e-9 | HST | STIS | F25ND3 filter for HST STIS_FUV, with no grating |
| HST/STIS_FUV.F25NDQ3_G140M | 1375.64 | 1393.35 | 1459.67 | 1160.06 | 1742.25 | 329.35 | 281.51 | 4.46e-9 | HST | STIS | F25NDQ3 filter for HST STIS_FUV, with G140M grating |
| HST/STIS_FUV.F25NDQ2_G140L | 1376.40 | 1394.06 | 1460.35 | 1160.22 | 1725.53 | 331.77 | 283.35 | 4.48e-9 | HST | STIS | F25NDQ2 filter for HST STIS_FUV, with G140L grating |
| HST/STIS_FUV.F25NDQ3_G140L | 1379.79 | 1397.50 | 1462.23 | 1160.06 | 1725.62 | 346.56 | 289.69 | 4.56e-9 | HST | STIS | F25NDQ3 filter for HST STIS_FUV, with G140L grating |
| HST/STIS_FUV.F25NDQ1_G140M | 1381.79 | 1399.40 | 1460.97 | 1150.00 | 1742.26 | 319.69 | 292.64 | 4.59e-9 | HST | STIS | F25NDQ1 filter for HST STIS_FUV, with G140M grating |
| HST/STIS_FUV.F25ND5 | 1379.23 | 1403.11 | 1485.07 | 1150.00 | 1878.77 | 354.17 | 274.62 | 4.33e-9 | HST | STIS | F25ND5 filter for HST STIS_FUV, with no grating |
| HST/STIS_FUV.F25NDQ1_G140L | 1385.78 | 1403.34 | 1463.40 | 1150.00 | 1725.72 | 327.50 | 300.56 | 4.69e-9 | HST | STIS | F25NDQ1 filter for HST STIS_FUV, with G140L grating |
| HST/STIS_FUV.F25NDQ4_G140M | 1396.85 | 1414.33 | 1468.18 | 1150.00 | 1742.25 | 340.23 | 318.36 | 4.89e-9 | HST | STIS | F25NDQ4 filter for HST STIS_FUV, with G140M grating |
| HST/STIS_FUV.F25NDQ4_G140L | 1400.90 | 1418.12 | 1470.25 | 1150.00 | 1725.00 | 343.41 | 326.51 | 4.99e-9 | HST | STIS | F25NDQ4 filter for HST STIS_FUV, with G140L grating |
| HST/STIS_FUV.F25NDQ2 | 1397.61 | 1421.82 | 1493.09 | 1160.22 | 1898.15 | 406.75 | 304.46 | 4.67e-9 | HST | STIS | F25NDQ2 filter for HST STIS_FUV, with no grating |
| HST/STIS_FUV.F25NDQ3 | 1401.02 | 1425.17 | 1494.44 | 1160.06 | 1900.23 | 415.91 | 310.72 | 4.75e-9 | HST | STIS | F25NDQ3 filter for HST STIS_FUV, with no grating |
| HST/STIS_FUV.F25NDQ1 | 1408.96 | 1433.05 | 1496.81 | 1150.00 | 1902.06 | 399.07 | 323.67 | 4.89e-9 | HST | STIS | F25NDQ1 filter for HST STIS_FUV, with no grating |
| HST/STIS_FUV.F25SRF2_G140M | 1423.00 | 1434.69 | 1456.84 | 1246.50 | 1742.25 | 223.90 | 381.80 | 5.65e-9 | HST | STIS | F25SRF2 filter for HST STIS_FUV, with G140M grating |
| HST/STIS_FUV.F25SRF2_G140L | 1425.92 | 1437.34 | 1458.99 | 1247.01 | 1725.00 | 233.33 | 387.22 | 5.71e-9 | HST | STIS | F25SRF2 filter for HST STIS_FUV, with G140L grating |
| HST/STIS_FUV.F25NDQ4 | 1427.02 | 1450.71 | 1504.74 | 1150.00 | 1904.41 | 402.37 | 352.48 | 5.19e-9 | HST | STIS | F25NDQ4 filter for HST STIS_FUV, with no grating |
| HST/STIS_FUV.F25NDQ4 | Filter Description | Filter ID (?) : | HST/STIS_FUV.F25NDQ4 |
| Description (?) : | F25NDQ4 filter for HST STIS_FUV, with no grating |
| Phot.System (?) : | STIS-FUV |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | HST |
| Instrument (?) : | STIS |
| Comments (?) : | Response calculated using the stsynphot python package by STScI. In particular, function stsynphot.bp("stis,fuvmama,f25ndq4"). Please, take a look to stsynphot documentation and HST instrument documentation |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
1427.02 | ------- | (Angstrom) |
| λmean (?) : |
1450.71 | ------- | (Angstrom) |
| λcen (?) : |
1420.10 | ------- | (Angstrom) |
| λeff (?) : |
1504.74 | ------- | (Angstrom) |
| λpeak (?) : |
1387.79 | ------- | (Angstrom) |
| λpivot (?) : |
1427.02 | ------- | (Angstrom) |
| λphot (?) : |
1516.35 | ------- | (Angstrom) |
| λmin (?) : |
1150.00 | ------- | (Angstrom) |
| λmax (?) : |
1904.41 | ------- | (Angstrom) |
| Weff (?) : |
402.37 | ------- | (Angstrom) |
| FWHM (?) : |
405.57 | ------- | (Angstrom) |
| Af/AV (?) : |
2.79 | ------- | () |
| Fsun (?) : |
------- | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
stsynphot documentation Transmission components: Filter + CCD + Instrumentid:HST/STIS_FUV.F25NDQ4 | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
5.1891e-9 | (erg/cm2/s/A) |
| |
------- |
352.48 | (Jy) |
| PhotCal ID (?) : |
HST/STIS_FUV.F25NDQ4/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
5.34552e-8 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| PhotCal ID (?) : |
HST/STIS_FUV.F25NDQ4/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
246.64 | (Jy) |
| PhotCal ID (?) : |
HST/STIS_FUV.F25NDQ4/ST |
| |
|
Filter added: 2019-07-16 12:15:01
Last update: 2022-03-01 15:23:03 |
| HST/STIS_FUV.F25SRF2 | 1452.57 | 1469.30 | 1490.67 | 1245.24 | 1898.18 | 285.13 | 413.39 | 5.87e-9 | HST | STIS | F25SRF2 filter for HST STIS_FUV, with no grating |
| HST/STIS_FUV.F25QTZ_G140L | 1560.80 | 1565.67 | 1565.00 | 1451.65 | 1725.00 | 169.02 | 564.06 | 6.94e-9 | HST | STIS | F25QTZ filter for HST STIS_FUV, with G140L grating |
| HST/STIS_FUV.F25QTZ_G140M | 1563.99 | 1569.55 | 1568.51 | 1451.34 | 1742.25 | 168.03 | 564.78 | 6.92e-9 | HST | STIS | F25QTZ filter for HST STIS_FUV, with G140M grating |
| HST/STIS_FUV.F25QTZ | 1595.45 | 1605.02 | 1602.06 | 1452.00 | 1925.06 | 226.03 | 582.41 | 6.86e-9 | HST | STIS | F25QTZ filter for HST STIS_FUV, with no grating |
 ≡ 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=1450.7110946545&id=HST/STIS_FUV.F25NDQ4><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=1504.7369654462&id=HST/STIS_FUV.F25NDQ4><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=1427.0150562581&id=HST/STIS_FUV.F25NDQ4><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=1516.3475240103&id=HST/STIS_FUV.F25NDQ4><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=402.37305477757,1420.0979010316,1&id=HST/STIS_FUV.F25NDQ4><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}
