WHT :William Herschel Telescope WHT/PFIP :The Prime Focus Imaging Platform (PFIP) or Prime Focus Camera is an optical mosaic camera for use at the prime focus of the 4.2m William Herschel Telescope. |
| WHT/PFIP.RGO_U9 | 3600.85 | 3617.23 | 3667.67 | 3081.04 | 4113.01 | 561.46 | 1775.75 | 3.96e-9 | WHT | PFIP | RGO U 9 | | WHT/PFIP.RGO_U9 | Filter Description | Filter ID (?) : | WHT/PFIP.RGO_U9 |
| Description (?) : | RGO U 9 |
| Phot.System (?) : | PFIP |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | WHT |
| Instrument (?) : | PFIP |
| Comments (?) : | id:#213 |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
3600.85 | ------- | (Angstrom) |
| λmean (?) : |
3617.23 | ------- | (Angstrom) |
| λcen (?) : |
3622.91 | ------- | (Angstrom) |
| λeff (?) : |
3667.67 | ------- | (Angstrom) |
| λpeak (?) : |
3685.00 | ------- | (Angstrom) |
| λpivot (?) : |
3600.85 | ------- | (Angstrom) |
| λphot (?) : |
3679.65 | ------- | (Angstrom) |
| λmin (?) : |
3081.04 | ------- | (Angstrom) |
| λmax (?) : |
4113.01 | ------- | (Angstrom) |
| Weff (?) : |
561.46 | ------- | (Angstrom) |
| FWHM (?) : |
570.50 | ------- | (Angstrom) |
| Af/AV (?) : |
1.56 | ------- | () |
| Fsun (?) : |
104.38 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
PFIP filters Transmission components: Filter | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.95752e-9 | (erg/cm2/s/A) |
| |
------- |
1775.75 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
WHT/PFIP.RGO_U9/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
8.0922e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
WHT/PFIP.RGO_U9/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
1629.24 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
WHT/PFIP.RGO_U9/ST |
| |
|
Filter added: 2011-10-18 09:34:57
Last update: 2020-12-10 16:34:26 | | WHT/PFIP.RGO_U | 3687.63 | 3698.30 | 3747.24 | 3250.00 | 4110.00 | 437.32 | 2013.80 | 4.3e-9 | WHT | PFIP | RGO U 5 | | WHT/PFIP.Har_B6 | 4287.18 | 4332.25 | 4312.47 | 3526.19 | 5714.05 | 1053.51 | 3859.78 | 6.22e-9 | WHT | PFIP | Harris B 6 | | WHT/PFIP.Har_B | 4291.60 | 4337.88 | 4316.55 | 3522.16 | 5727.61 | 1065.53 | 3856.92 | 6.21e-9 | WHT | PFIP | Harris B 5 | | WHT/PFIP.Har_V | 5456.51 | 5489.92 | 5425.35 | 4835.93 | 6647.46 | 983.95 | 3599.23 | 3.67e-9 | WHT | PFIP | Harris V 5 | | WHT/PFIP.Har_R | 6497.24 | 6596.67 | 6402.50 | 5478.29 | 9000.00 | 1628.18 | 2971.81 | 2.17e-9 | WHT | PFIP | Harris R 5 | | WHT/PFIP.Har_I | 8090.84 | 8136.11 | 8047.94 | 7060.28 | 9000.00 | 1644.75 | 2393.58 | 1.11e-9 | WHT | PFIP | Harris I 5 |
| Filter Plots
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|
© SVO, 9609 filters available, Last update: 2021-02-23 | 
 ≡ 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>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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.SpectralAxis.Coverage.Bounds.Extent</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>Utype</b>: <i>photdm:PhotometricSystem.detectorType</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<p><img src=showgraph.php?what=lmean&val=3617.232141&id=WHT/PFIP.RGO_U9><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=3667.67017166&id=WHT/PFIP.RGO_U9><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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=3600.8506335951&id=WHT/PFIP.RGO_U9><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=3679.65430349&id=WHT/PFIP.RGO_U9><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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=561.462002878,3622.90687516,0.685934&id=WHT/PFIP.RGO_U9><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><img src=images/sunspec.png><p><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://ssb.stsci.edu/cdbs_open/cdbs/current_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>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://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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}
