SOFIA :Stratospheric Observatory for Infrared Astronomy (SOFIA) SOFIA/FORCAST :The Faint Object infraRed CAmera for the SOFIA Telescope (FORCAST) is a dual-channel mid-infrared camera and spectrograph sensitive from 5 - 40 μm.id:SOFIA/FORCAST.a |
| SOFIA/FORCAST.F054 | 53558.59 | 53566.42 | 53546.03 | 52129.36 | 55115.91 | 1621.32 | 125.74 | 1.31e-12 | SOFIA | FORCAST | FORCAST F054 filter | | SOFIA/FORCAST.F054 | Filter Description | Filter ID (?) : | SOFIA/FORCAST.F054 |
| Description (?) : | FORCAST F054 filter |
| Phot.System (?) : | ------ |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | SOFIA |
| Instrument (?) : | FORCAST |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
53558.59 | ------- | (Angstrom) |
| λmean (?) : |
53566.42 | ------- | (Angstrom) |
| λcen (?) : |
53550.00 | ------- | (Angstrom) |
| λeff (?) : |
53546.03 | ------- | (Angstrom) |
| λpeak (?) : |
53600.50 | ------- | (Angstrom) |
| λpivot (?) : |
53558.59 | ------- | (Angstrom) |
| λphot (?) : |
53551.24 | ------- | (Angstrom) |
| λmin (?) : |
52129.36 | ------- | (Angstrom) |
| λmax (?) : |
55115.91 | ------- | (Angstrom) |
| Weff (?) : |
1621.32 | ------- | (Angstrom) |
| FWHM (?) : |
1630.20 | ------- | (Angstrom) |
| Af/AV (?) : |
0.0424 | ------- | () |
| Fsun (?) : |
0.263 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
FORCAST Transmission components: Filterid:SOFIA/FORCAST.F054 | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.31415e-12 | (erg/cm2/s/A) |
| |
------- |
125.74 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
SOFIA/FORCAST.F054/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.7948e-11 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
SOFIA/FORCAST.F054/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
347427.25 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
SOFIA/FORCAST.F054/ST |
| |
|
Filter added: 2017-08-07 17:03:13
Last update: 2021-07-27 20:35:43 | | SOFIA/FORCAST.F056 | 56099.19 | 56104.83 | 56090.14 | 54584.99 | 57757.92 | 939.08 | 115.22 | 1.1e-12 | SOFIA | FORCAST | FORCAST F056 filter | | SOFIA/FORCAST.F064 | 63516.69 | 63521.33 | 63512.29 | 62227.79 | 64855.76 | 1355.43 | 90.45 | 6.72e-13 | SOFIA | FORCAST | FORCAST F064 filter | | SOFIA/FORCAST.F066 | 66115.04 | 66125.56 | 66097.43 | 64207.90 | 68132.89 | 1924.80 | 84.22 | 5.78e-13 | SOFIA | FORCAST | FORCAST F066 filter | | SOFIA/FORCAST.F077 | 77028.47 | 77072.62 | 76967.18 | 73463.12 | 80509.67 | 4358.31 | 62.45 | 3.16e-13 | SOFIA | FORCAST | FORCAST F077 filter | | SOFIA/FORCAST.F111 | 110849.82 | 110957.75 | 110668.08 | 104598.40 | 117798.48 | 8609.78 | 30.89 | 7.54e-14 | SOFIA | FORCAST | FORCAST F111 filter | | SOFIA/FORCAST.F113 | 113437.59 | 113444.55 | 113428.54 | 111450.59 | 115671.05 | 2128.66 | 29.30 | 6.83e-14 | SOFIA | FORCAST | FORCAST F113 filter | | SOFIA/FORCAST.F197 | 196490.89 | 198207.07 | 193684.07 | 167429.06 | 228965.94 | 46392.55 | 10.19 | 7.91e-15 | SOFIA | FORCAST | FORCAST F197 filter | | SOFIA/FORCAST.F242 | 242142.06 | 243118.12 | 240556.29 | 208527.37 | 289691.00 | 28877.97 | 6.64 | 3.4e-15 | SOFIA | FORCAST | FORCAST F242 filter | | SOFIA/FORCAST.F253 | 253775.03 | 254031.88 | 253349.64 | 234914.90 | 275621.08 | 18691.01 | 6.00 | 2.79e-15 | SOFIA | FORCAST | FORCAST F253 filter | | SOFIA/FORCAST.F315 | 313925.39 | 315841.37 | 310984.65 | 275674.77 | 404018.88 | 47786.91 | 3.97 | 1.21e-15 | SOFIA | FORCAST | FORCAST F315 filter | | SOFIA/FORCAST.F336 | 335857.61 | 336250.57 | 335214.45 | 313672.86 | 379398.47 | 18200.18 | 3.43 | 9.1e-16 | SOFIA | FORCAST | FORCAST F336 filter | | SOFIA/FORCAST.F348 | 347830.83 | 348990.23 | 345884.04 | 297287.80 | 406326.53 | 35615.66 | 3.21 | 7.96e-16 | SOFIA | FORCAST | FORCAST F348 filter | | SOFIA/FORCAST.F371 | 371554.20 | 372466.83 | 369982.37 | 321487.70 | 411546.50 | 27708.98 | 2.81 | 6.09e-16 | SOFIA | FORCAST | FORCAST F371 filter |
|
| 
 ≡ 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=53566.415010015&id=SOFIA/FORCAST.F054><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=53546.0298492&id=SOFIA/FORCAST.F054><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=53558.593839092&id=SOFIA/FORCAST.F054><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=53551.241772946&id=SOFIA/FORCAST.F054><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=1621.3200932302,53549.996531591,1&id=SOFIA/FORCAST.F054><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}
