CFHT :Canada-France-Hawaii Telescope CFHT/QUIRC :The QUick InfRared Camera (QUIRC) is used at the University's 2.2-meter and 0.6-meter telescopes and the Canada- France- Hawaii Telescope (CFHT) on Mauna Keaid:CFHT/QUIRC.a |
| CFHT/QUIRC.J | 12521.56 | 12613.07 | 12396.74 | 10708.10 | 14466.50 | 2654.49 | 1549.00 | 2.96e-10 | CFHT | QUIRC | QUIRC J filter | | CFHT/QUIRC.Hs | 15712.12 | 15722.81 | 15696.53 | 14781.50 | 16548.50 | 1006.79 | 1073.26 | 1.3e-10 | CFHT | QUIRC | QUIRC Hs filter | | CFHT/QUIRC.H | 16587.70 | 16659.03 | 16497.07 | 14775.43 | 18685.78 | 2936.96 | 998.45 | 1.09e-10 | CFHT | QUIRC | QUIRC H filter | | CFHT/QUIRC.Hl | 17190.23 | 17203.10 | 17174.23 | 16252.17 | 18164.50 | 1190.90 | 948.52 | 9.62e-11 | CFHT | QUIRC | QUIRC Hl filter | | CFHT/QUIRC.HK | 18264.77 | 18858.23 | 17501.28 | 14077.00 | 24157.50 | 6324.64 | 901.96 | 8.11e-11 | CFHT | QUIRC | QUIRC HK filter | | CFHT/QUIRC.N1975 | 19738.36 | 19738.77 | 19737.92 | 19507.00 | 19943.25 | 217.52 | 765.14 | 5.89e-11 | CFHT | QUIRC | QUIRC 1.975 micron filter | | CFHT/QUIRC.N2060 | 20593.40 | 20593.84 | 20592.74 | 20349.90 | 20803.37 | 223.45 | 711.79 | 5.03e-11 | CFHT | QUIRC | QUIRC 2.060 micron filter | | CFHT/QUIRC.Kp | 21054.12 | 21143.45 | 20921.57 | 18151.40 | 24021.50 | 3503.24 | 686.66 | 4.64e-11 | CFHT | QUIRC | QUIRC Kp filter | | CFHT/QUIRC.H2 | 21237.92 | 21238.42 | 21237.14 | 20971.57 | 21470.10 | 223.70 | 673.35 | 4.48e-11 | CFHT | QUIRC | QUIRC H2 filter | | CFHT/QUIRC.N2131 | 21304.25 | 21304.69 | 21303.57 | 21058.80 | 21527.07 | 236.46 | 669.46 | 4.42e-11 | CFHT | QUIRC | QUIRC 2.131 micron filter | | CFHT/QUIRC.Ks | 21535.98 | 21602.42 | 21435.58 | 19292.50 | 23907.50 | 3216.76 | 659.67 | 4.26e-11 | CFHT | QUIRC | QUIRC Ks filter | | CFHT/QUIRC.Ks | Filter Description | Filter ID (?) : | CFHT/QUIRC.Ks |
| Description (?) : | QUIRC Ks filter |
| Phot.System (?) : | QUIRC |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | Ks |
| Obs. Facility (?) : | CFHT |
| Instrument (?) : | QUIRC |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
21535.98 | ------- | (Angstrom) |
| λmean (?) : |
21602.42 | ------- | (Angstrom) |
| λcen (?) : |
21576.65 | ------- | (Angstrom) |
| λeff (?) : |
21435.58 | ------- | (Angstrom) |
| λpeak (?) : |
22400.00 | ------- | (Angstrom) |
| λpivot (?) : |
21535.98 | ------- | (Angstrom) |
| λphot (?) : |
21479.87 | ------- | (Angstrom) |
| λmin (?) : |
19292.50 | ------- | (Angstrom) |
| λmax (?) : |
23907.50 | ------- | (Angstrom) |
| Weff (?) : |
3216.76 | ------- | (Angstrom) |
| FWHM (?) : |
3269.20 | ------- | (Angstrom) |
| Af/AV (?) : |
0.125 | ------- | () |
| Fsun (?) : |
8.92 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
QUIRCid:CFHT/QUIRC.Ks | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.26404e-11 | (erg/cm2/s/A) |
| |
------- |
659.67 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CFHT/QUIRC.Ks/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.34702e-10 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CFHT/QUIRC.Ks/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
56173.95 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CFHT/QUIRC.Ks/ST |
| |
|
Filter added: 2018-08-10 19:50:25
Last update: 2021-07-27 18:54:42 | | CFHT/QUIRC.Brgamma | 21693.31 | 21693.71 | 21694.06 | 21469.23 | 21922.72 | 225.38 | 615.14 | 3.92e-11 | CFHT | QUIRC | QUIRC Brgamma filter | | CFHT/QUIRC.K | 22101.82 | 22202.75 | 21952.62 | 19326.00 | 25004.40 | 3912.21 | 632.64 | 3.88e-11 | CFHT | QUIRC | QUIRC K filter | | CFHT/QUIRC.N2265 | 22649.97 | 22652.49 | 22646.19 | 22048.77 | 23317.64 | 567.72 | 602.01 | 3.52e-11 | CFHT | QUIRC | QUIRC 2.265 micron filter | | CFHT/QUIRC.CO | 22970.94 | 22971.36 | 22970.31 | 22728.62 | 23215.92 | 233.56 | 587.26 | 3.34e-11 | CFHT | QUIRC | QUIRC CO 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=21602.419821884&id=CFHT/QUIRC.Ks><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=21435.579094009&id=CFHT/QUIRC.Ks><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=21535.984413699&id=CFHT/QUIRC.Ks><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=21479.868521691&id=CFHT/QUIRC.Ks><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=3216.7571626649,21576.647727273,0.925&id=CFHT/QUIRC.Ks><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><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}
