| HST/HSP_UV2.F145M_A | 1563.69 | 1585.90 | 1586.30 | 1215.02 | 2185.00 | 276.61 | 537.60 | 6.59e-9 | HST | HSP | F145M_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F145M_B | 1566.30 | 1589.04 | 1589.08 | 1215.07 | 2185.00 | 280.38 | 539.14 | 6.59e-9 | HST | HSP | F145M_B filter for HST HSP_UV2 |
| HST/HSP_UV2.PRISM_BLUE | 1575.60 | 1598.33 | 1596.67 | 1224.33 | 2185.00 | 284.05 | 547.85 | 6.62e-9 | HST | HSP | PRISM_BLUE filter for HST HSP_UV2 |
| HST/HSP_UV2.F152M_A | 1651.33 | 1675.71 | 1662.53 | 1420.95 | 2355.00 | 313.93 | 606.11 | 6.66e-9 | HST | HSP | F152M_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F152M_B | 1654.78 | 1679.77 | 1666.11 | 1420.99 | 2355.00 | 320.38 | 607.61 | 6.65e-9 | HST | HSP | F152M_B filter for HST HSP_UV2 |
| HST/HSP_UV2.F122M_A | 1591.57 | 1731.16 | 1848.47 | 1117.08 | 2685.00 | 418.07 | 372.80 | 4.41e-9 | HST | HSP | F122M_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F122M_B | 1603.98 | 1745.65 | 1858.03 | 1117.08 | 2685.00 | 434.91 | 381.54 | 4.45e-9 | HST | HSP | F122M_B filter for HST HSP_UV2 |
| HST/HSP_UV2.F184W_A | 1944.07 | 1968.57 | 1946.98 | 1584.52 | 2731.92 | 400.65 | 730.18 | 5.79e-9 | HST | HSP | F184W_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F184W_B | 1947.16 | 1971.93 | 1950.00 | 1585.22 | 2781.85 | 401.13 | 731.01 | 5.78e-9 | HST | HSP | F184W_B filter for HST HSP_UV2 |
| HST/HSP_UV2.F179M_A | 1924.52 | 2004.76 | 1939.18 | 1584.04 | 3271.61 | 294.36 | 718.55 | 5.82e-9 | HST | HSP | F179M_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F179M_B | 1931.22 | 2014.84 | 1946.53 | 1584.46 | 3272.50 | 297.86 | 720.37 | 5.79e-9 | HST | HSP | F179M_B filter for HST HSP_UV2 |
| HST/HSP_UV2.F218M_A | 2186.67 | 2194.43 | 2185.90 | 1930.16 | 2799.42 | 195.22 | 781.61 | 4.9e-9 | HST | HSP | F218M_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F218M_B | 2187.49 | 2195.24 | 2186.71 | 1930.84 | 2803.35 | 195.42 | 781.71 | 4.9e-9 | HST | HSP | F218M_B filter for HST HSP_UV2 |
| HST/HSP_UV2.F140LP_A | 2320.34 | 2420.69 | 2343.19 | 1444.27 | 3273.37 | 1140.33 | 809.17 | 4.51e-9 | HST | HSP | F140LP_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F140LP_B | 2330.17 | 2429.17 | 2352.94 | 1445.17 | 3273.57 | 1130.19 | 812.04 | 4.48e-9 | HST | HSP | F140LP_B filter for HST HSP_UV2 |
| HST/HSP_UV2.F160LP_A | 2346.95 | 2437.06 | 2366.18 | 1570.49 | 3273.47 | 1120.65 | 819.21 | 4.46e-9 | HST | HSP | F160LP_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F160LP_B | 2355.18 | 2444.46 | 2374.54 | 1571.83 | 3273.67 | 1112.10 | 821.48 | 4.44e-9 | HST | HSP | F160LP_B filter for HST HSP_UV2 |
| HST/HSP_UV2.F248M_A | 2475.11 | 2493.31 | 2480.96 | 1939.57 | 3052.26 | 394.38 | 824.18 | 4.03e-9 | HST | HSP | F248M_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F248M_B | 2476.32 | 2494.43 | 2482.22 | 1944.53 | 3053.63 | 394.46 | 824.53 | 4.03e-9 | HST | HSP | F248M_B filter for HST HSP_UV2 |
| HST/HSP_UV2.F262M_A | 2607.77 | 2622.43 | 2614.62 | 2070.98 | 3092.76 | 300.38 | 879.50 | 3.88e-9 | HST | HSP | F262M_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F262M_B | 2608.86 | 2623.30 | 2615.68 | 2075.24 | 3094.48 | 300.57 | 879.90 | 3.88e-9 | HST | HSP | F262M_B filter for HST HSP_UV2 |
| HST/HSP_UV2.PRISM_RED | 2619.81 | 2633.63 | 2626.63 | 2110.73 | 3121.47 | 305.47 | 884.78 | 3.86e-9 | HST | HSP | PRISM_RED filter for HST HSP_UV2 |
| HST/HSP_UV2.F284M_A | 2743.42 | 2761.99 | 2754.06 | 2045.55 | 3219.31 | 367.57 | 946.56 | 3.77e-9 | HST | HSP | F284M_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F284M_A | Filter Description | Filter ID (?) : | HST/HSP_UV2.F284M_A |
| Description (?) : | F284M_A filter for HST HSP_UV2 |
| Phot.System (?) : | HSP-UV2 |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | HST |
| Instrument (?) : | HSP |
| Comments (?) : | Response calculated using the stsynphot python package by STScI. In particular, function stsynphot.band("hsp,uv2,f284m,a"). Please, take a look to stsynphot documentation and HST instrument documentation |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
2743.42 | ------- | (Angstrom) |
| λmean (?) : |
2761.99 | ------- | (Angstrom) |
| λcen (?) : |
2790.70 | ------- | (Angstrom) |
| λeff (?) : |
2754.06 | ------- | (Angstrom) |
| λpeak (?) : |
2780.00 | ------- | (Angstrom) |
| λpivot (?) : |
2743.42 | ------- | (Angstrom) |
| λphot (?) : |
2766.30 | ------- | (Angstrom) |
| λmin (?) : |
2045.55 | ------- | (Angstrom) |
| λmax (?) : |
3219.31 | ------- | (Angstrom) |
| Weff (?) : |
367.57 | ------- | (Angstrom) |
| FWHM (?) : |
311.32 | ------- | (Angstrom) |
| Af/AV (?) : |
2.00 | ------- | () |
| Fsun (?) : |
27.30 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
stsynphot documentation Transmission components: Filter + CCD + Instrumentid:HST/HSP_UV2.F284M_A | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.77038e-9 | (erg/cm2/s/A) |
| |
------- |
946.56 | (Jy) |
| PhotCal ID (?) : |
HST/HSP_UV2.F284M_A/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.44632e-8 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| PhotCal ID (?) : |
HST/HSP_UV2.F284M_A/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
911.57 | (Jy) |
| PhotCal ID (?) : |
HST/HSP_UV2.F284M_A/ST |
| |
|
Filter added: 2019-07-16 12:14:17
Last update: 2022-03-01 15:17:27 |
| HST/HSP_UV2.F284M_B | 2744.52 | 2762.97 | 2755.14 | 2056.17 | 3219.78 | 367.30 | 947.06 | 3.77e-9 | HST | HSP | F284M_B filter for HST HSP_UV2 |
| HST/HSP_UV2.F278N_A | 2766.57 | 2769.32 | 2767.79 | 2578.67 | 3039.47 | 158.54 | 948.58 | 3.72e-9 | HST | HSP | F278N_A filter for HST HSP_UV2 |
| HST/HSP_UV2.F278N_B | 2766.71 | 2769.47 | 2767.94 | 2578.95 | 3039.86 | 158.64 | 948.64 | 3.72e-9 | HST | HSP | F278N_B filter for HST HSP_UV2 |
 ≡ 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=2761.9874238148&id=HST/HSP_UV2.F284M_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><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=2754.0614355873&id=HST/HSP_UV2.F284M_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><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=2743.4175393831&id=HST/HSP_UV2.F284M_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><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=2766.2972840678&id=HST/HSP_UV2.F284M_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><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=367.57335426252,2790.7046644506,1&id=HST/HSP_UV2.F284M_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><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}
