|
| OSN/Johnson.U2 | 3633.10 | 3647.27 | 3698.07 | 3151.93 | 4110.92 | 517.21 | 1813.62 | 4.12e-9 | OSN | | U Johnson filter, OSN #J06 | | OSN/Johnson.U | 3633.11 | 3647.29 | 3698.10 | 3151.93 | 4110.92 | 517.24 | 1813.71 | 4.12e-9 | OSN | | U Johnson filter, OSN #J01 | | OSN/Johnson.B2 | 4347.68 | 4398.53 | 4363.33 | 3533.50 | 5794.10 | 1072.78 | 3874.01 | 6.14e-9 | OSN | | B Johnson filter, OSN #J07 | | OSN/Johnson.B | 4347.72 | 4398.61 | 4363.36 | 3533.50 | 5794.10 | 1072.85 | 3873.95 | 6.14e-9 | OSN | | B Johnson filter, OSN #J02 | | OSN/Johnson.V2 | 5446.04 | 5476.27 | 5417.56 | 4842.92 | 6597.46 | 945.51 | 3648.58 | 3.69e-9 | OSN | | V Johnson filter, OSN #J08 | | OSN/Johnson.V | 5446.12 | 5476.38 | 5417.62 | 4842.92 | 6597.46 | 945.59 | 3648.54 | 3.69e-9 | OSN | | V Johnson filter, OSN #J03 | | OSN/Johnson.Cousins_R2 | 6535.18 | 6633.80 | 6441.95 | 5572.27 | 9220.91 | 1533.46 | 3027.96 | 2.13e-9 | OSN | | R Cousins filter, OSN #J09 | | OSN/Johnson.Cousins_R3 | 6561.15 | 6672.05 | 6455.98 | 5515.40 | 9438.54 | 1754.84 | 3021.27 | 2.1e-9 | OSN | | R Cousins filter, OSN #J13 | | OSN/Johnson.Cousins_R1 | 6569.66 | 6681.36 | 6464.29 | 5523.10 | 9448.34 | 1750.07 | 3017.04 | 2.1e-9 | OSN | | R Cousins filter, OSN #J04 | | OSN/Johnson.Cousins_I4 | 8820.64 | 8992.06 | 8688.55 | 7043.77 | 11938.73 | 3162.25 | 2292.97 | 8.84e-10 | OSN | | I Cousins filter, OSN #J12 | | OSN/Johnson.Cousins_I3 | 8823.79 | 8996.40 | 8690.66 | 7041.88 | 11956.90 | 3173.50 | 2292.52 | 8.83e-10 | OSN | | I Cousins filter, OSN #J11 | | OSN/Johnson.Cousins_I2 | 8824.74 | 8998.06 | 8691.13 | 7041.88 | 11956.90 | 3174.74 | 2292.38 | 8.82e-10 | OSN | | I Cousins filter, OSN #J10 | | OSN/Johnson.Cousins_I5 | 8829.50 | 9005.60 | 8693.18 | 7033.52 | 11999.31 | 3212.73 | 2292.16 | 8.81e-10 | OSN | | I Cousins filter, OSN #J14 | | OSN/Johnson.Cousins_I1 | 8852.39 | 9028.41 | 8716.45 | 7042.80 | 12025.29 | 3200.33 | 2287.03 | 8.75e-10 | OSN | | I Cousins filter, OSN #J05 | | OSN/Johnson.Cousins_I1 | Filter Description | Filter ID (?) : | OSN/Johnson.Cousins_I1 |
| Description (?) : | I Cousins filter, OSN #J05 |
| Phot.System (?) : | Cousins |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | I |
| Obs. Facility (?) : | OSN |
| Instrument (?) : | ------ |
| Comments (?) : | size 50x50x5 |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
8852.39 | ------- | (Angstrom) |
| λmean (?) : |
9028.41 | ------- | (Angstrom) |
| λcen (?) : |
8951.26 | ------- | (Angstrom) |
| λeff (?) : |
8716.45 | ------- | (Angstrom) |
| λpeak (?) : |
8770.00 | ------- | (Angstrom) |
| λpivot (?) : |
8852.39 | ------- | (Angstrom) |
| λphot (?) : |
8828.40 | ------- | (Angstrom) |
| λmin (?) : |
7042.80 | ------- | (Angstrom) |
| λmax (?) : |
12025.29 | ------- | (Angstrom) |
| Weff (?) : |
3200.33 | ------- | (Angstrom) |
| FWHM (?) : |
3275.34 | ------- | (Angstrom) |
| Af/AV (?) : |
0.519 | ------- | () |
| Fsun (?) : |
92.29 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
OSN Transmission components: Filterid:OSN/Johnson.Cousins_I1
You can download here the GaiaXPy base XML file for the full OSN/Johnson filter set.
Please, take a look to GaiaXPy documentation for more information. - GaiaXPy base XML file. | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
8.74927e-10 | (erg/cm2/s/A) |
| |
------- |
2287.03 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
OSN/Johnson.Cousins_I1/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.38908e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
OSN/Johnson.Cousins_I1/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
9491.32 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
OSN/Johnson.Cousins_I1/ST |
| |
|
Filter added: 2012-07-19 15:56:34
Last update: 2021-07-27 20:26:05 |
|
| 
 ≡ 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=9028.4074113993&id=OSN/Johnson.Cousins_I1><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=8716.4502840128&id=OSN/Johnson.Cousins_I1><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=8852.3897351085&id=OSN/Johnson.Cousins_I1><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=8828.4027349437&id=OSN/Johnson.Cousins_I1><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=3200.3272084504,8951.2571797809,1&id=OSN/Johnson.Cousins_I1><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}
