MMT :The MMT Observatory. MMT/MMIRS :The MMT and Magellan Infrared Spectrograph is a wide-field near-IR imager and multi-object spectrograph built by SAO. |
| MMT/MMIRS.Y | 10200.5 | 10166.4 | 9423 | 11054 | 1077.4 | 2093.2 | MMT | MMIRS | MMIRS Y filter | | MMT/MMIRS.zJ | 12299.4 | 11596.8 | 9326 | 15271 | 5259.4 | 1610.7 | MMT | MMIRS | MMIRS zJ spectroscopic filter | | MMT/MMIRS.J | 12519.1 | 12453.0 | 11490 | 13584 | 1545.8 | 1556.0 | MMT | MMIRS | MMIRS J filter | | MMT/MMIRS.J | Filter Description | Filter ID (?) : | MMT/MMIRS.J |
| Description (?) : | MMIRS J filter |
| Phot.System (?) : | ------ |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | J |
| Obs. Facility (?) : | MMT |
| Instrument (?) : | MMIRS |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λmean (?) : |
12519.11 | ------- | (Angstrom) |
| λcen (?) : |
12513.00 | ------- | (Angstrom) |
| λeff (?) : |
12452.99 | ------- | (Angstrom) |
| λpeak (?) : |
13120.00 | ------- | (Angstrom) |
| λpivot (?) : |
12492.06 | ------- | (Angstrom) |
| λphot (?) : |
12471.06 | ------- | (Angstrom) |
| λmin (?) : |
11489.51 | ------- | (Angstrom) |
| λmax (?) : |
13584.16 | ------- | (Angstrom) |
| Weff (?) : |
1545.84 | ------- | (Angstrom) |
| FWHM (?) : |
1583.69 | ------- | (Angstrom) |
| Af/AV (?) : |
0.30 | ------- | () |
| Fsun (?) : |
------- | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
MMIRS | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.008e-10 | (erg/cm2/s/A) |
| |
------- |
1555.97 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
MMT/MMIRS.J/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
7.019e-10 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
MMT/MMIRS.J/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
18782.48 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
MMT/MMIRS.J/ST |
| |
|
Filter added: 2017-08-08 04:10:15
Last update: 2018-08-13 11:13:23 | | MMT/MMIRS.H | 16437.2 | 16293.6 | 14649 | 18267 | 2833.4 | 1032.5 | MMT | MMIRS | MMIRS H filter | | MMT/MMIRS.HK3 | 17967.3 | 16070.5 | 12090 | 23745 | 10534.6 | 921.7 | MMT | MMIRS | MMIRS HK filter (2014-) | | MMT/MMIRS.HK | 18805.6 | 16509.0 | 12246 | 25432 | 11523.8 | 861.3 | MMT | MMIRS | MMIRS HK filter (2010-) | | MMT/MMIRS.Ks | 21612.5 | 21454.3 | 19541 | 23833 | 3141.3 | 668.3 | MMT | MMIRS | MMIRS Ks filter | | MMT/MMIRS.Kspec | 21929.1 | 21547.7 | 18925 | 25021 | 5144.9 | 653.4 | MMT | MMIRS | MMIRS spectroscopic filter (2014-) |
| Filter Plots
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© SVO, 6376 filters available, Last update: 2020-08-12 | 
 ≡ 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=12519.105577064&id=MMT/MMIRS.J><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=12452.990202358&id=MMT/MMIRS.J><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=12492.057620102&id=MMT/MMIRS.J><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=12471.062896815&id=MMT/MMIRS.J><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=1545.8392749714,12512.998554155,0.9226&id=MMT/MMIRS.J><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}