Cassini :The Cassini-Huygens space-research mission involved a collaboration between NASA, ESA and ASI to send a probe to study the planet Saturn and its system, including its rings and natural satellites. Cassini/ISS_WAC :Imaging Science Subsystem wide-angle digital cameraid:Cassini/ISS_WAC.a |
| Cassini/ISS_WAC.VIO | 4195.52 | 4198.48 | 4196.65 | 3912.02 | 4374.47 | 185.12 | 4348.46 | 7.41e-9 | Cassini | ISS_WAC | Cassini ISS WAC VIO filter (full) | | Cassini/ISS_WAC.BL1 | 4597.37 | 4617.21 | 4579.97 | 3937.17 | 5034.79 | 531.62 | 4064.27 | 5.76e-9 | Cassini | ISS_WAC | Cassini ISS WAC BL1 filter (full) | | Cassini/ISS_WAC.GRN | 5659.99 | 5693.37 | 5625.98 | 4914.27 | 6374.76 | 1022.26 | 3517.37 | 3.29e-9 | Cassini | ISS_WAC | Cassini ISS WAC GRN filter (full) | | Cassini/ISS_WAC.RED | 6469.96 | 6512.65 | 6423.87 | 5684.24 | 7354.83 | 1388.22 | 3032.46 | 2.17e-9 | Cassini | ISS_WAC | Cassini ISS WAC RED filter (full) | | Cassini/ISS_WAC.Clear | 6253.35 | 6538.85 | 5978.31 | 3937.73 | 9984.49 | 2914.45 | 3246.38 | 2.49e-9 | Cassini | ISS_WAC | Cassini ISS WAC Clear filter (full) | | Cassini/ISS_WAC.HAL | 6563.98 | 6564.17 | 6563.78 | 6484.65 | 6634.94 | 91.74 | 2605.39 | 1.81e-9 | Cassini | ISS_WAC | Cassini ISS WAC HAL filter (full) | | Cassini/ISS_WAC.MT2_RED | 7276.17 | 7276.21 | 7276.10 | 7234.23 | 7314.88 | 31.02 | 2670.68 | 1.51e-9 | Cassini | ISS_WAC | Cassini ISS WAC comb. MT2/RED filter (full) | | Cassini/ISS_WAC.MT2 | 7284.30 | 7284.34 | 7284.24 | 7244.11 | 7324.84 | 42.56 | 2665.39 | 1.51e-9 | Cassini | ISS_WAC | Cassini ISS WAC MT2 filter (full) | | Cassini/ISS_WAC.MT2_IR1 | 7284.37 | 7284.41 | 7284.31 | 7244.10 | 7324.85 | 42.74 | 2665.36 | 1.51e-9 | Cassini | ISS_WAC | Cassini ISS WAC comb. MT2/IR1 filter (full) | | Cassini/ISS_WAC.IR1 | 7402.52 | 7439.18 | 7363.36 | 6664.12 | 8484.67 | 1095.81 | 2631.83 | 1.44e-9 | Cassini | ISS_WAC | Cassini ISS WAC IR1 filter (full) | | Cassini/ISS_WAC.CB2_RED | 7506.29 | 7506.49 | 7506.06 | 7424.23 | 7594.78 | 65.85 | 2577.25 | 1.37e-9 | Cassini | ISS_WAC | Cassini ISS WAC comb. CB2/RED filter (full) | | Cassini/ISS_WAC.CB2_IR1 | 7522.81 | 7523.02 | 7522.57 | 7434.78 | 7604.90 | 99.60 | 2570.27 | 1.36e-9 | Cassini | ISS_WAC | Cassini ISS WAC comb. CB2/IR1 filter (full) | | Cassini/ISS_WAC.CB2 | 7523.25 | 7523.46 | 7523.01 | 7434.83 | 7604.90 | 101.34 | 2570.08 | 1.36e-9 | Cassini | ISS_WAC | Cassini ISS WAC CB2 filter (full) | | Cassini/ISS_WAC.IR2_IR1 | 8262.96 | 8264.54 | 8261.29 | 8004.18 | 8554.04 | 263.18 | 2301.70 | 1.01e-9 | Cassini | ISS_WAC | Cassini ISS WAC comb. IR2/IR1 filter (full) | | Cassini/ISS_WAC.IR2 | 8527.46 | 8543.19 | 8519.56 | 8004.14 | 9334.25 | 641.21 | 2269.67 | 9.36e-10 | Cassini | ISS_WAC | Cassini ISS WAC IR2 filter (full) | | Cassini/ISS_WAC.IR2 | Filter Description | Filter ID (?) : | Cassini/ISS_WAC.IR2 |
| Description (?) : | Cassini ISS WAC IR2 filter (full) |
| Phot.System (?) : | Cassini |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | Cassini |
| Instrument (?) : | ISS_WAC |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
8527.46 | ------- | (Angstrom) |
| λmean (?) : |
8543.19 | ------- | (Angstrom) |
| λcen (?) : |
8431.27 | ------- | (Angstrom) |
| λeff (?) : |
8519.56 | ------- | (Angstrom) |
| λpeak (?) : |
8187.00 | ------- | (Angstrom) |
| λpivot (?) : |
8527.46 | ------- | (Angstrom) |
| λphot (?) : |
8529.96 | ------- | (Angstrom) |
| λmin (?) : |
8004.14 | ------- | (Angstrom) |
| λmax (?) : |
9334.25 | ------- | (Angstrom) |
| Weff (?) : |
641.21 | ------- | (Angstrom) |
| FWHM (?) : |
612.54 | ------- | (Angstrom) |
| Af/AV (?) : |
0.546 | ------- | () |
| Fsun (?) : |
100.00 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
Cassini ISS Data user guide Transmission components: Filter + CCD + Instrument + Other optical componentsid:Cassini/ISS_WAC.IR2 | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
9.35716e-10 | (erg/cm2/s/A) |
| |
------- |
2269.67 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Cassini/ISS_WAC.IR2/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.49695e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Cassini/ISS_WAC.IR2/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
8807.35 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Cassini/ISS_WAC.IR2/ST |
| |
|
Filter added: 2020-06-13 15:41:53
Last update: 2021-07-27 18:49:38 | | Cassini/ISS_WAC.MT3 | 8903.52 | 8903.75 | 8905.53 | 8814.15 | 8994.64 | 101.70 | 2283.88 | 8.64e-10 | Cassini | ISS_WAC | Cassini ISS WAC MT3 filter (full) | | Cassini/ISS_WAC.IR3 | 9174.09 | 9190.96 | 9163.42 | 8634.61 | 10244.32 | 550.95 | 2250.29 | 8.02e-10 | Cassini | ISS_WAC | Cassini ISS WAC IR3 filter (full) | | Cassini/ISS_WAC.CB3 | 9387.79 | 9387.95 | 9387.68 | 9304.73 | 9464.99 | 88.27 | 2331.79 | 7.93e-10 | Cassini | ISS_WAC | Cassini ISS WAC CB3 filter (full) | | Cassini/ISS_WAC.IR4 | 10023.47 | 10028.48 | 10016.57 | 9674.13 | 10570.00 | 334.90 | 2105.06 | 6.28e-10 | Cassini | ISS_WAC | Cassini ISS WAC IR4 filter (full) | | Cassini/ISS_WAC.IR5 | 10358.92 | 10360.02 | 10357.60 | 10084.92 | 10570.00 | 209.14 | 2048.87 | 5.72e-10 | Cassini | ISS_WAC | Cassini ISS WAC IR5 filter (full) |
|
| 
 ≡ 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=8543.1876350906&id=Cassini/ISS_WAC.IR2><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=8519.5555163941&id=Cassini/ISS_WAC.IR2><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=8527.4647439169&id=Cassini/ISS_WAC.IR2><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=8529.9601252647&id=Cassini/ISS_WAC.IR2><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=641.21215812732,8431.2663863756,1&id=Cassini/ISS_WAC.IR2><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}
