|
| MMT/MegaCam.u_MMT_filter | 3523.68 | 3535.28 | 3550.23 | 3206.91 | 3906.35 | 501.61 | 1430.53 | 3.45e-9 | MMT | MegaCam | Megacam u' at MMT (filter only) | | MMT/MegaCam.u_Mag_filter | 3550.78 | 3565.85 | 3599.17 | 3175.80 | 3958.89 | 548.11 | 1570.58 | 3.73e-9 | MMT | MegaCam | Megacam u' at Magellan (filter only) | | MMT/MegaCam.u_MMT | 3604.07 | 3612.74 | 3632.24 | 3235.05 | 3913.85 | 337.98 | 1551.22 | 3.58e-9 | MMT | MegaCam | Megacam u' at MMT | | MMT/MegaCam.u_Mag | 3636.64 | 3646.92 | 3681.79 | 3221.39 | 3962.59 | 371.76 | 1746.22 | 3.96e-9 | MMT | MegaCam | Megacam u' at Magellan | | MMT/MegaCam.g_Mag_filter | 4506.24 | 4562.07 | 4484.62 | 3764.22 | 5430.25 | 1234.81 | 4014.81 | 5.93e-9 | MMT | MegaCam | Megacam g' at Magellan (filter only) | | MMT/MegaCam.g_Mag | 4604.80 | 4657.05 | 4579.86 | 3772.19 | 5431.20 | 972.90 | 4007.21 | 5.67e-9 | MMT | MegaCam | Megacam g' at Magellan | | MMT/MegaCam.g_MMT_filter | 4725.13 | 4777.22 | 4687.34 | 3958.78 | 5615.07 | 1313.09 | 4032.78 | 5.41e-9 | MMT | MegaCam | Megacam g' at MMT (filter only) | | MMT/MegaCam.g_MMT | 4763.47 | 4814.01 | 4725.99 | 3971.59 | 5614.46 | 1195.31 | 4013.23 | 5.3e-9 | MMT | MegaCam | Megacam g' at MMT | | MMT/MegaCam.r_Mag | 6298.38 | 6346.07 | 6246.89 | 5464.95 | 7466.95 | 1411.83 | 3128.85 | 2.36e-9 | MMT | MegaCam | Megacam r' at Magellan | | MMT/MegaCam.r_MMT | 6331.44 | 6373.72 | 6285.03 | 5399.88 | 7303.15 | 1319.95 | 3105.84 | 2.32e-9 | MMT | MegaCam | Megacam r' at MMT | | MMT/MegaCam.r_Mag_filter | 6327.54 | 6376.90 | 6274.21 | 5465.38 | 7470.89 | 1472.40 | 3114.06 | 2.33e-9 | MMT | MegaCam | Megacam r' at Magellan (filter only) | | MMT/MegaCam.r_MMT_filter | 6354.09 | 6397.53 | 6306.43 | 5402.83 | 7316.81 | 1329.35 | 3094.62 | 2.3e-9 | MMT | MegaCam | Megacam r' at MMT (filter only) | | MMT/MegaCam.i_MMT | 7770.56 | 7815.09 | 7723.81 | 6827.22 | 8954.45 | 1275.98 | 2493.50 | 1.24e-9 | MMT | MegaCam | Megacam i' at MMT | | MMT/MegaCam.i_MMT | Filter Description | Filter ID (?) : | MMT/MegaCam.i_MMT |
| Description (?) : | Megacam i' at MMT |
| Phot.System (?) : | ------ |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | MMT |
| Instrument (?) : | MegaCam |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
7770.56 | ------- | (Angstrom) |
| λmean (?) : |
7815.09 | ------- | (Angstrom) |
| λcen (?) : |
7868.05 | ------- | (Angstrom) |
| λeff (?) : |
7723.81 | ------- | (Angstrom) |
| λpeak (?) : |
7185.00 | ------- | (Angstrom) |
| λpivot (?) : |
7770.56 | ------- | (Angstrom) |
| λphot (?) : |
7752.62 | ------- | (Angstrom) |
| λmin (?) : |
6827.22 | ------- | (Angstrom) |
| λmax (?) : |
8954.45 | ------- | (Angstrom) |
| Weff (?) : |
1275.98 | ------- | (Angstrom) |
| FWHM (?) : |
1575.14 | ------- | (Angstrom) |
| Af/AV (?) : |
0.636 | ------- | () |
| Fsun (?) : |
118.74 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
MegaCam Filters Transmission components: Filter + Instrument + Atmosphereid:MMT/MegaCam.i_MMT
You can download here the GaiaXPy base XML file for the full MMT/MegaCam 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 (?) : |
------- |
1.23801e-9 | (erg/cm2/s/A) |
| |
------- |
2493.50 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
MMT/MegaCam.i_MMT/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.80278e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
MMT/MegaCam.i_MMT/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
7313.24 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
MMT/MegaCam.i_MMT/ST |
| |
|
Filter added: 2017-08-08 03:14:10
Last update: 2021-07-27 20:19:27 | | MMT/MegaCam.i_Mag | 7854.06 | 7886.68 | 7819.30 | 7034.44 | 8891.50 | 1118.94 | 2456.88 | 1.19e-9 | MMT | MegaCam | Megacam i' at Magellan | | MMT/MegaCam.i_MMT_filter | 7876.82 | 7923.13 | 7827.67 | 6839.12 | 9013.38 | 1659.82 | 2457.04 | 1.19e-9 | MMT | MegaCam | Megacam i' at MMT (filter only) | | MMT/MegaCam.i_Mag_filter | 7933.25 | 7966.87 | 7897.10 | 7041.58 | 8954.23 | 1401.56 | 2429.68 | 1.16e-9 | MMT | MegaCam | Megacam i' at Magellan (filter only) | | MMT/MegaCam.z_Mag | 9025.28 | 9063.51 | 9006.15 | 8023.35 | 10811.65 | 1036.05 | 2235.95 | 8.23e-10 | MMT | MegaCam | Megacam z' at Magellan | | MMT/MegaCam.z_MMT | 9031.22 | 9069.74 | 9011.99 | 8087.30 | 10832.70 | 1096.32 | 2234.16 | 8.21e-10 | MMT | MegaCam | Megacam z' at MMT | | MMT/MegaCam.z_Mag_filter | 10124.86 | 10301.12 | 9955.29 | 8053.93 | 12190.00 | 3652.08 | 2046.83 | 5.99e-10 | MMT | MegaCam | Megacam z' at Magellan (filter only) | | MMT/MegaCam.z_MMT_filter | 10261.37 | 10467.98 | 10057.80 | 8108.36 | 12530.00 | 4059.29 | 2020.07 | 5.75e-10 | MMT | MegaCam | Megacam z' at MMT (filter only) |
|
| 
 ≡ 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=7815.0850655005&id=MMT/MegaCam.i_MMT><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=7723.8055814679&id=MMT/MegaCam.i_MMT><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=7770.5571616735&id=MMT/MegaCam.i_MMT><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=7752.6244387348&id=MMT/MegaCam.i_MMT><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=1275.9809584588,7868.0541666667,0.4033&id=MMT/MegaCam.i_MMT><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}
