|
| BOK/90prime.sdss_u | 3495.8 | 3508.5 | 3063 | 3939 | 553.9 | 1385.3 | BOK | 90prime | 90prime SDSS u' filter | | BOK/90prime.U | 3618.1 | 3674.2 | 3093 | 4135 | 587.7 | 1806.7 | BOK | 90prime | 90prime U filter | | BOK/90prime.B | 4332.0 | 4307.0 | 3608 | 5278 | 976.5 | 3946.2 | BOK | 90prime | 90prime B filter | | BOK/90prime.Wash_M | 5174.1 | 5088.3 | 4374 | 6372 | 1207.9 | 3760.4 | BOK | 90prime | 90prime Washington M filter | | BOK/90prime.V | 5340.9 | 5297.9 | 4768 | 6309 | 808.8 | 3677.3 | BOK | 90prime | 90prime V filter | | BOK/90prime.R | 6417.5 | 6287.9 | 5473 | 8389 | 1292.7 | 3055.3 | BOK | 90prime | 90prime R filter | | BOK/90prime.halpha_657 | 6575.2 | 6576.5 | 6508 | 6639 | 67.5 | 2502.6 | BOK | 90prime | 90prime Halpha filter at 657.52nm | | BOK/90prime.halpha_659 | 6594.4 | 6596.6 | 6529 | 6656 | 68.6 | 2651.0 | BOK | 90prime | 90prime Halpha filter at 659.42nm | | BOK/90prime.halpha_659 | Filter Description | Filter ID (?) : | BOK/90prime.halpha_659 |
| Description (?) : | 90prime Halpha filter at 659.42nm |
| Phot.System (?) : | ------ |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | BOK |
| Instrument (?) : | 90prime |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λmean (?) : |
6594.41 | ------- | (Angstrom) |
| λcen (?) : |
6594.27 | ------- | (Angstrom) |
| λeff (?) : |
6596.65 | ------- | (Angstrom) |
| λpeak (?) : |
6590.00 | ------- | (Angstrom) |
| λpivot (?) : |
6594.30 | ------- | (Angstrom) |
| λphot (?) : |
6596.72 | ------- | (Angstrom) |
| λmin (?) : |
6529.03 | ------- | (Angstrom) |
| λmax (?) : |
6656.21 | ------- | (Angstrom) |
| Weff (?) : |
68.57 | ------- | (Angstrom) |
| FWHM (?) : |
67.23 | ------- | (Angstrom) |
| Af/AV (?) : |
0.80 | ------- | () |
| Transmission curve
Data file: ascii, VOTable Reference for filter response:
90prime info | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.826e-9 | (erg/cm2/s/A) |
| |
------- |
2650.98 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
BOK/90prime.halpha_659/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.501e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
BOK/90prime.halpha_659/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
5270.50 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
BOK/90prime.halpha_659/ST |
| |
|
Filter added: 2017-08-08 13:12:15
Last update: 2018-03-21 17:34:01 | | BOK/90prime.halpha_662 | 6626.6 | 6627.0 | 6557 | 6698 | 74.4 | 2909.0 | BOK | 90prime | 90prime Halpha filter at 662.65nm | | BOK/90prime.halpha_664 | 6646.8 | 6646.8 | 6578 | 6718 | 74.8 | 2944.0 | BOK | 90prime | 90prime Halpha filter at 664.67nm | | BOK/90prime.I | 8806.9 | 8530.2 | 7008 | 11603 | 2944.7 | 2282.9 | BOK | 90prime | 90prime I filter | | BOK/90prime.sdss_z | 10138.9 | 9812.5 | 8153 | 12000 | 3642.3 | 2032.4 | BOK | 90prime | 90prime SDSS z' filter |
|
© SVO, 5137 filters available, Last update: 2019-12-14 | 
 ≡ 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=6594.4084334829&id=BOK/90prime.halpha_659><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=6596.648259402&id=BOK/90prime.halpha_659><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=6594.2972893254&id=BOK/90prime.halpha_659><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=6596.7203641618&id=BOK/90prime.halpha_659><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=68.569278345114,6594.2747239413,0.903&id=BOK/90prime.halpha_659><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}