GTC :Gran Telescopio Canarias GTC/EMIR :EMIR (Especrografo Multiobjecto Infra-Rojo) is a near-infrared (0.9 - 2.5 µm) wide-field imager and medium-resolution multi-object spectrograph installed at the Naysmith-A focal station. |
| GTC/EMIR.Y | 10172.3 | 10140.1 | 9404 | 11052 | 1036.7 | 2097.6 | GTC | EMIR | EMIR Y filter, measured in laboratory | | GTC/EMIR.YJ | 11204.0 | 10744.6 | 8860 | 13488 | 3901.5 | 1826.7 | GTC | EMIR | EMIR YJ filter, measured in laboratory | | GTC/EMIR.J | 12542.1 | 12475.7 | 11490 | 13627 | 1566.0 | 1551.6 | GTC | EMIR | EMIR J filter, measured in laboratory | | GTC/EMIR.H | 16306.4 | 16164.8 | 14565 | 18106 | 2758.8 | 1043.9 | GTC | EMIR | EMIR H filter, measured in laboratory | | GTC/EMIR.Cont_FeII | 17139.4 | 17135.5 | 16828 | 17458 | 286.8 | 989.2 | GTC | EMIR | EMIR Cont_FeII filter, measured in laboratory | | GTC/EMIR.HK | 19187.5 | 17817.6 | 14324 | 24260 | 8760.3 | 824.0 | GTC | EMIR | EMIR HK filter, measured in laboratory | | GTC/EMIR.H2_1-0 | 21246.3 | 21243.7 | 20895 | 21587 | 315.4 | 688.9 | GTC | EMIR | EMIR H2_1-0 filter, measured in laboratory | | GTC/EMIR.Cont_BrG | 21276.3 | 21273.7 | 20939 | 21615 | 312.6 | 686.9 | GTC | EMIR | EMIR Cont_BrG filter, measured in laboratory | | GTC/EMIR.K-short | 21624.9 | 21475.5 | 19651 | 23772 | 3059.4 | 667.4 | GTC | EMIR | EMIR K-short filter, measured in laboratory | | GTC/EMIR.BrG | 21755.3 | 21754.5 | 21337 | 22173 | 367.5 | 641.7 | GTC | EMIR | EMIR BrG filter, measured in laboratory | | GTC/EMIR.BrG | Filter Description | Filter ID (?) : | GTC/EMIR.BrG |
| Description (?) : | EMIR BrG filter, measured in laboratory |
| Phot.System (?) : | EMIR |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | GTC |
| Instrument (?) : | EMIR |
| Comments (?) : | Filter transmision measured at the IAC optical laboratory at room temperature at the centre of the filter and with normal incidence |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λmean (?) : |
21755.35 | ------- | (Angstrom) |
| λcen (?) : |
21754.75 | ------- | (Angstrom) |
| λeff (?) : |
21754.50 | ------- | (Angstrom) |
| λpeak (?) : |
21760.00 | ------- | (Angstrom) |
| λpivot (?) : |
21754.03 | ------- | (Angstrom) |
| λphot (?) : |
21755.39 | ------- | (Angstrom) |
| λmin (?) : |
21337.38 | ------- | (Angstrom) |
| λmax (?) : |
22173.00 | ------- | (Angstrom) |
| Weff (?) : |
367.51 | ------- | (Angstrom) |
| FWHM (?) : |
357.14 | ------- | (Angstrom) |
| Af/AV (?) : |
0.12 | ------- | () |
| Fsun (?) : |
------- | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
Imaging with EMIR Transmission components: Filter | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.065e-11 | (erg/cm2/s/A) |
| |
------- |
641.66 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
GTC/EMIR.BrG/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.300e-10 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
GTC/EMIR.BrG/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
57319.66 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
GTC/EMIR.BrG/ST |
| |
|
Filter added: 2017-06-14 11:17:48
Last update: 2020-03-23 12:58:04 | | GTC/EMIR.K-spec | 22175.9 | 21910.3 | 19444 | 25000 | 4006.5 | 640.6 | GTC | EMIR | EMIR K-spec filter, measured in laboratory | | GTC/EMIR.K | 22345.0 | 22195.7 | 20130 | 24500 | 3068.6 | 630.1 | GTC | EMIR | EMIR K filter, measured in laboratory | | GTC/EMIR.H2_1-1 | 22478.8 | 22476.5 | 22139 | 22802 | 303.0 | 624.8 | GTC | EMIR | EMIR H2_1-1 filter, measured in laboratory |
|
© SVO, 6356 filters available, Last update: 2020-07-31 | 
 ≡ 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>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}
</b><br><table cellpadding=20><td class=helptd>Zero Point in Vega System.<p>Calculated by the service as:<p><img src=images/latex/zp.png> <p>where:<p> T(λ) ≡ 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>eff</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<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=21755.348524775&id=GTC/EMIR.BrG><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=21754.496760457&id=GTC/EMIR.BrG><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=21754.030107036&id=GTC/EMIR.BrG><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=21755.389976917&id=GTC/EMIR.BrG><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=367.51405045297,21754.75311407,0.704&id=GTC/EMIR.BrG><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>eff</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>Sun spectrum from calspec database: sun_reference_stis_002 with with sun_mod_001 for larger wavelengths.<p><img src=images/sunspec.png><p><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>eff</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>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}