|
| CFHT/CFH12k.Bc | 4157.71 | 4158.89 | 4161.45 | 3993.57 | 4313.14 | 169.96 | 4274.01 | 7.41e-9 | CFHT | CFH12k | CFH12k B Custom | | CFHT/CFH12k.B | 4294.29 | 4323.35 | 4300.82 | 3707.09 | 4899.00 | 941.52 | 4046.83 | 6.58e-9 | CFHT | CFH12k | CFH12k B Mould | | CFHT/CFH12k.HBeta_off | 4774.29 | 4774.69 | 4772.92 | 4649.00 | 4903.25 | 81.99 | 4073.01 | 5.36e-9 | CFHT | CFH12k | CFH12k Hβ off | | CFHT/CFH12k.HBeta_on | 4888.20 | 4888.59 | 4891.44 | 4765.62 | 5023.25 | 88.71 | 3419.78 | 4.29e-9 | CFHT | CFH12k | CFH12k Hβ on | | CFHT/CFH12k.OIII | 5037.31 | 5037.72 | 5036.95 | 4904.66 | 5177.01 | 94.81 | 3931.96 | 4.65e-9 | CFHT | CFH12k | CFH12k OIII | | CFHT/CFH12k.V | 5356.42 | 5379.87 | 5338.40 | 4695.39 | 5959.50 | 909.75 | 3671.07 | 3.84e-9 | CFHT | CFH12k | CFH12k V Mould | | CFHT/CFH12k.Halpha_off | 6452.86 | 6453.07 | 6452.52 | 6361.90 | 6542.72 | 92.32 | 3031.12 | 2.18e-9 | CFHT | CFH12k | CFH12k Halpha off | | CFHT/CFH12k.R | 6550.33 | 6582.83 | 6515.58 | 5702.83 | 7335.89 | 1184.89 | 2982.36 | 2.08e-9 | CFHT | CFH12k | CFH12k R Mould | | CFHT/CFH12k.Halpha_on | 6583.99 | 6584.13 | 6586.00 | 6506.65 | 6661.26 | 78.49 | 2587.21 | 1.79e-9 | CFHT | CFH12k | CFH12k Halpha on | | CFHT/CFH12k.TiO | 7777.74 | 7778.37 | 7777.03 | 7656.00 | 7935.81 | 183.82 | 2464.80 | 1.22e-9 | CFHT | CFH12k | CFH12k TiO | | CFHT/CFH12k.CN | 8119.99 | 8120.54 | 8119.34 | 7954.16 | 8284.36 | 164.95 | 2349.89 | 1.07e-9 | CFHT | CFH12k | CFH12k CN | | CFHT/CFH12k.I | 8154.79 | 8228.34 | 8091.02 | 6950.44 | 9431.34 | 2024.22 | 2407.05 | 1.09e-9 | CFHT | CFH12k | CFH12k I Mould | | CFHT/CFH12k.NB920 | 9205.26 | 9206.54 | 9203.81 | 8962.00 | 9406.00 | 239.90 | 2255.89 | 7.98e-10 | CFHT | CFH12k | CFH12k NB920 | | CFHT/CFH12k.Zprime | 10525.73 | 10759.04 | 10277.70 | 8201.41 | 13000.00 | 4375.58 | 1970.59 | 5.33e-10 | CFHT | CFH12k | CFH12k Z Prime | | CFHT/CFH12k.Zprime | Filter Description | Filter ID (?) : | CFHT/CFH12k.Zprime |
| Description (?) : | CFH12k Z Prime |
| Phot.System (?) : | CFH12k |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | CFHT |
| Instrument (?) : | CFH12k |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
10525.73 | ------- | (Angstrom) |
| λmean (?) : |
10759.04 | ------- | (Angstrom) |
| λcen (?) : |
10764.96 | ------- | (Angstrom) |
| λeff (?) : |
10277.70 | ------- | (Angstrom) |
| λpeak (?) : |
10560.00 | ------- | (Angstrom) |
| λpivot (?) : |
10525.73 | ------- | (Angstrom) |
| λphot (?) : |
10424.49 | ------- | (Angstrom) |
| λmin (?) : |
8201.41 | ------- | (Angstrom) |
| λmax (?) : |
13000.00 | ------- | (Angstrom) |
| Weff (?) : |
4375.58 | ------- | (Angstrom) |
| FWHM (?) : |
4470.07 | ------- | (Angstrom) |
| Af/AV (?) : |
0.397 | ------- | () |
| Fsun (?) : |
64.71 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
CFHT filters Transmission components: Filterid:CFHT/CFH12k.Zprime
You can download here the GaiaXPy base XML file for the full CFHT/CFH12k 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 (?) : |
------- |
5.33228e-10 | (erg/cm2/s/A) |
| |
------- |
1970.59 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CFHT/CFH12k.Zprime/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
9.82522e-10 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CFHT/CFH12k.Zprime/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
13418.69 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CFHT/CFH12k.Zprime/ST |
| |
|
Filter added: 2011-10-18 01:45:21
Last update: 2021-07-27 18:50:04 |
|
| 
 ≡ 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=10759.035983103&id=CFHT/CFH12k.Zprime><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=10277.703409405&id=CFHT/CFH12k.Zprime><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=10525.73225445&id=CFHT/CFH12k.Zprime><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=10424.492031778&id=CFHT/CFH12k.Zprime><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=4375.5784750015,10764.964047252,0.97586&id=CFHT/CFH12k.Zprime><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}
