McD :McDonald Observatory McD/DIAFI :Direct Imaging Auxiliary Functions Instrument (DIAFI) |
| McD/DIAFI.sdss_u | 3450.36 | 3471.17 | 3490.05 | 2945.81 | 3986.44 | 649.90 | 1410.72 | 3.47e-9 | McDonalds | DIAFI | DIAFI sdss_u filter | | McD/DIAFI.U | 3657.78 | 3670.61 | 3723.26 | 3205.27 | 4132.06 | 502.86 | 1929.93 | 4.17e-9 | McDonalds | DIAFI | DIAFI U filter | | McD/DIAFI.B | 4305.55 | 4346.44 | 4319.45 | 3582.78 | 5712.07 | 1001.05 | 3929.62 | 6.31e-9 | McDonalds | DIAFI | DIAFI B filter | | McD/DIAFI.sdss_g | 4709.06 | 4765.59 | 4670.51 | 3932.04 | 5591.24 | 1398.85 | 3952.77 | 5.43e-9 | McDonalds | DIAFI | DIAFI sdss_g filter | | McD/DIAFI.Halpha_523_5nm | 5228.42 | 5228.62 | 5228.23 | 5142.80 | 5319.48 | 56.75 | 3781.64 | 4.15e-9 | McDonalds | DIAFI | DIAFI Halpha_523_5nm filter | | McD/DIAFI.V | 5357.16 | 5381.99 | 5335.34 | 4797.84 | 6362.09 | 832.34 | 3662.89 | 3.86e-9 | McDonalds | DIAFI | DIAFI V filter | | McD/DIAFI.sdss_r | 6189.93 | 6225.31 | 6150.14 | 5395.04 | 7083.44 | 1270.92 | 3145.06 | 2.49e-9 | McDonalds | DIAFI | DIAFI sdss_r filter | | McD/DIAFI.R | 6419.44 | 6488.06 | 6352.92 | 5569.59 | 8548.65 | 1294.27 | 3021.29 | 2.24e-9 | McDonalds | DIAFI | DIAFI R filter | | McD/DIAFI.Halpha_656_1nm | 6564.48 | 6564.49 | 6564.47 | 6546.11 | 6582.75 | 12.24 | 2011.22 | 1.4e-9 | McDonalds | DIAFI | DIAFI Halpha_656_1nm filter | | McD/DIAFI.Halpha_656_4nm | 6565.72 | 6565.83 | 6565.78 | 6494.52 | 6639.54 | 47.35 | 2400.50 | 1.67e-9 | McDonalds | DIAFI | DIAFI Halpha_656_4nm filter | | McD/DIAFI.Halpha_656_10nm | 6566.49 | 6566.75 | 6566.45 | 6466.43 | 6670.31 | 96.40 | 2621.67 | 1.82e-9 | McDonalds | DIAFI | DIAFI Halpha_656_10nm filter | | McD/DIAFI.Halpha_658_7nm | 6586.24 | 6586.36 | 6588.53 | 6516.55 | 6657.86 | 66.75 | 2576.01 | 1.78e-9 | McDonalds | DIAFI | DIAFI Halpha_658_7nm filter | | McD/DIAFI.Halpha_665_4nm | 6652.74 | 6652.85 | 6652.81 | 6582.11 | 6725.00 | 47.09 | 2946.43 | 2.0e-9 | McDonalds | DIAFI | DIAFI Halpha_665_4nm filter | | McD/DIAFI.Halpha_667_7nm | 6674.97 | 6675.12 | 6674.90 | 6598.37 | 6753.42 | 75.30 | 2946.50 | 1.98e-9 | McDonalds | DIAFI | DIAFI Halpha_667_7nm filter | | McD/DIAFI.Halpha_676_7nm | 6762.97 | 6763.08 | 6762.86 | 6702.61 | 6825.15 | 72.09 | 2915.20 | 1.91e-9 | McDonalds | DIAFI | DIAFI Halpha_676_7nm filter | | McD/DIAFI.Halpha_685_7nm | 6849.21 | 6849.32 | 6849.10 | 6793.36 | 6913.48 | 68.24 | 2877.07 | 1.84e-9 | McDonalds | DIAFI | DIAFI Halpha_685_7nm filter | | McD/DIAFI.Halpha_685_7nm | Filter Description | Filter ID (?) : | McD/DIAFI.Halpha_685_7nm |
| Description (?) : | DIAFI Halpha_685_7nm filter |
| Phot.System (?) : | ------ |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | McDonalds |
| Instrument (?) : | DIAFI |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
6849.21 | ------- | (Angstrom) |
| λmean (?) : |
6849.32 | ------- | (Angstrom) |
| λcen (?) : |
6848.85 | ------- | (Angstrom) |
| λeff (?) : |
6849.10 | ------- | (Angstrom) |
| λpeak (?) : |
6850.00 | ------- | (Angstrom) |
| λpivot (?) : |
6849.21 | ------- | (Angstrom) |
| λphot (?) : |
6849.17 | ------- | (Angstrom) |
| λmin (?) : |
6793.36 | ------- | (Angstrom) |
| λmax (?) : |
6913.48 | ------- | (Angstrom) |
| Weff (?) : |
68.24 | ------- | (Angstrom) |
| FWHM (?) : |
67.38 | ------- | (Angstrom) |
| Af/AV (?) : |
0.756 | ------- | () |
| Fsun (?) : |
147.34 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
DIAFI Filters Transmission components: Filter | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.83867e-9 | (erg/cm2/s/A) |
| |
------- |
2877.07 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
McD/DIAFI.Halpha_685_7nm/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.32049e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
McD/DIAFI.Halpha_685_7nm/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
5681.63 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
McD/DIAFI.Halpha_685_7nm/ST |
| |
|
Filter added: 2017-08-03 23:09:39
Last update: 2020-12-10 16:32:52 | | McD/DIAFI.sdss_i | 7629.63 | 7661.87 | 7594.54 | 6745.81 | 8499.28 | 1351.47 | 2540.12 | 1.32e-9 | McDonalds | DIAFI | DIAFI sdss_i filter | | McD/DIAFI.I | 7624.15 | 7800.36 | 7470.97 | 6017.86 | 10570.65 | 2910.14 | 2517.63 | 1.35e-9 | McDonalds | DIAFI | DIAFI I filter | | McD/DIAFI.sdss_z | 9578.52 | 9670.02 | 9507.47 | 8193.66 | 11000.00 | 2624.72 | 2138.89 | 7.09e-10 | McDonalds | DIAFI | DIAFI sdss_z filter |
|
| 
 ≡ 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>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.SpectralAxis.Coverage.Bounds.Extent</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>Utype</b>: <i>photdm:PhotometricSystem.detectorType</i></ul></td></table>',WIDTH,400)){kind=link}
 ≡ filter transmission<p><img src=showgraph.php?what=lmean&val=6849.3161625954&id=McD/DIAFI.Halpha_685_7nm><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=6849.1041709417&id=McD/DIAFI.Halpha_685_7nm><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=6849.2119669829&id=McD/DIAFI.Halpha_685_7nm><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=6849.1736901651&id=McD/DIAFI.Halpha_685_7nm><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=68.244138854118,6848.8499760536,0.993&id=McD/DIAFI.Halpha_685_7nm><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>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/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><img src=images/sunspec.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}
