Gemini :Gemini Observatory Gemini/TReCS :Filters used in T-ReCS (Thermal-Region Camera Spectrograph), a mid-infrared imager and long-slit spectrograph built by the University of Florida for Gemini South |
| Gemini/TReCS.k | 21781.40 | 21888.63 | 21621.94 | 19001.56 | 25053.93 | 4025.97 | 655.00 | 4.2e-11 | Gemini | TReCS | TReCS k | | Gemini/TReCS.l | 38340.45 | 38457.11 | 38154.33 | 34610.00 | 42086.31 | 5696.02 | 239.19 | 4.93e-12 | Gemini | TReCS | TReCS l | | Gemini/TReCS.m | 46590.06 | 46693.64 | 46427.48 | 42042.59 | 51130.00 | 5722.01 | 166.96 | 2.32e-12 | Gemini | TReCS | TReCS m | | Gemini/TReCS.Si1 | 77098.24 | 77187.88 | 76965.06 | 72000.00 | 82614.44 | 6870.35 | 63.92 | 3.23e-13 | Gemini | TReCS | TReCS Si1 | | Gemini/TReCS.Si1 | Filter Description | Filter ID (?) : | Gemini/TReCS.Si1 |
| Description (?) : | TReCS Si1 |
| Phot.System (?) : | TReCS |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | Gemini |
| Instrument (?) : | TReCS |
| Comments (?) : | trecs_fSi1.dat
Transmission curve for T-ReCS Si-1 7.8um filter
No blocking element needed.
Measurement temperature = 77K
Author: James De Buizer, digitized from OCLI scans
Created: 2003 Apr 8
|
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
77098.24 | ------- | (Angstrom) |
| λmean (?) : |
77187.88 | ------- | (Angstrom) |
| λcen (?) : |
77199.78 | ------- | (Angstrom) |
| λeff (?) : |
76965.06 | ------- | (Angstrom) |
| λpeak (?) : |
77230.00 | ------- | (Angstrom) |
| λpivot (?) : |
77098.24 | ------- | (Angstrom) |
| λphot (?) : |
77024.46 | ------- | (Angstrom) |
| λmin (?) : |
72000.00 | ------- | (Angstrom) |
| λmax (?) : |
82614.44 | ------- | (Angstrom) |
| Weff (?) : |
6870.35 | ------- | (Angstrom) |
| FWHM (?) : |
6966.71 | ------- | (Angstrom) |
| Af/AV (?) : |
0.0333 | ------- | () |
| Fsun (?) : |
0.0679 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
Gemini: T-ReCS Transmission components: Filter | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.23487e-13 | (erg/cm2/s/A) |
| |
------- |
63.92 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/TReCS.Si1/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.83764e-11 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/TReCS.Si1/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
717451.78 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/TReCS.Si1/ST |
| |
|
Filter added: 2011-10-18 04:47:34
Last update: 2020-12-10 16:29:19 | | Gemini/TReCS.PAH1 | 85952.88 | 85994.47 | 85881.01 | 81385.57 | 91231.84 | 4473.64 | 51.89 | 2.11e-13 | Gemini | TReCS | TReCS PAH1 | | Gemini/TReCS.Si2 | 87147.88 | 87245.70 | 86987.67 | 81340.00 | 92770.00 | 7645.76 | 50.56 | 2.0e-13 | Gemini | TReCS | TReCS Si2 | | Gemini/TReCS.ArIII | 89969.61 | 89973.57 | 89964.62 | 88510.00 | 91620.00 | 1346.13 | 47.73 | 1.77e-13 | Gemini | TReCS | TReCS ArIII | | Gemini/TReCS.Si3 | 96541.71 | 96668.22 | 96339.99 | 89768.53 | 103947.18 | 9285.42 | 41.49 | 1.34e-13 | Gemini | TReCS | TReCS Si3 | | Gemini/TReCS.n | 99729.62 | 103112.61 | 94539.02 | 74251.36 | 133730.00 | 47500.63 | 38.06 | 1.28e-13 | Gemini | TReCS | TReCS n | | Gemini/TReCS.Si4 | 103730.69 | 103872.84 | 103494.35 | 96167.73 | 112008.45 | 10203.43 | 36.05 | 1.01e-13 | Gemini | TReCS | TReCS Si4 | | Gemini/TReCS.SIV | 104559.41 | 104563.69 | 104549.58 | 103100.00 | 106171.69 | 1655.17 | 35.32 | 9.69e-14 | Gemini | TReCS | TReCS SIV | | Gemini/TReCS.PAH2 | 112847.35 | 112911.89 | 112738.16 | 106117.81 | 119870.00 | 6316.85 | 30.54 | 7.2e-14 | Gemini | TReCS | TReCS PAH2 | | Gemini/TReCS.nprime | 112839.35 | 113449.33 | 111849.97 | 98151.44 | 129061.41 | 21883.37 | 30.47 | 7.3e-14 | Gemini | TReCS | TReCS nprime | | Gemini/TReCS.Si5 | 116329.67 | 116487.23 | 116076.31 | 107614.44 | 124767.13 | 11560.22 | 28.80 | 6.41e-14 | Gemini | TReCS | TReCS Si5 | | Gemini/TReCS.Si6 | 123290.46 | 123453.30 | 123018.44 | 114490.00 | 131940.00 | 11793.14 | 25.69 | 5.09e-14 | Gemini | TReCS | TReCS Si6 | | Gemini/TReCS.NeII | 127959.14 | 127966.81 | 127947.83 | 125810.00 | 130466.88 | 2275.62 | 23.95 | 4.39e-14 | Gemini | TReCS | TReCS NeII | | Gemini/TReCS.NeII_ref | 130567.07 | 130574.21 | 130553.92 | 128151.72 | 132977.89 | 2267.58 | 23.02 | 4.05e-14 | Gemini | TReCS | TReCS NeII_ref | | Gemini/TReCS.Qa | 183203.38 | 183379.53 | 182904.83 | 172608.48 | 195853.05 | 14869.18 | 11.76 | 1.05e-14 | Gemini | TReCS | TReCS Qa | | Gemini/TReCS.Qwide | 209833.56 | 214251.86 | 202898.84 | 162700.00 | 289369.53 | 75272.54 | 8.87 | 6.46e-15 | Gemini | TReCS | TReCS Qwide | | Gemini/TReCS.Qb | 245592.60 | 245850.36 | 245162.90 | 226100.00 | 264178.48 | 19525.48 | 6.57 | 3.28e-15 | Gemini | TReCS | TReCS Qb |
|
| 
 ≡ 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://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.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=77187.8821008&id=Gemini/TReCS.Si1><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=76965.0554078&id=Gemini/TReCS.Si1><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=77098.240754207&id=Gemini/TReCS.Si1><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=77024.457685&id=Gemini/TReCS.Si1><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=6870.34693059,77199.7841857,0.9405&id=Gemini/TReCS.Si1><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://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>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}
