| WHT/ULTRACAM.u_s_noatm | 3451.27 | 3461.40 | 3472.74 | 3189.26 | 3934.04 | 252.70 | 1344.52 | 3.34e-9 | WHT | ULTRACAM | Super SDSS u_s filter (no atm.) |
| WHT/ULTRACAM.u_noatm | 3453.32 | 3461.81 | 3466.82 | 3196.52 | 3861.45 | 224.12 | 1313.78 | 3.28e-9 | WHT | ULTRACAM | SDSS u' filter (no atm.) |
| WHT/ULTRACAM.u | 3467.02 | 3475.59 | 3481.95 | 3201.79 | 3867.28 | 212.97 | 1328.25 | 3.28e-9 | WHT | ULTRACAM | SDSS u' filter (full) |
| WHT/ULTRACAM.u_s | 3467.41 | 3477.80 | 3491.45 | 3193.89 | 3937.10 | 239.41 | 1366.92 | 3.36e-9 | WHT | ULTRACAM | Super SDSS u_s filter (full) |
| WHT/ULTRACAM.NB3500_noatm | 3524.55 | 3524.90 | 3524.75 | 3443.68 | 3608.63 | 78.78 | 1297.20 | 3.13e-9 | WHT | ULTRACAM | NB3500 filter (no atm.) |
| WHT/ULTRACAM.NB3500 | 3524.99 | 3525.34 | 3525.19 | 3444.15 | 3609.12 | 79.02 | 1297.42 | 3.13e-9 | WHT | ULTRACAM | NB3500 filter (full) |
| WHT/ULTRACAM.NB3500_filter | 3527.70 | 3528.23 | 3527.95 | 3428.69 | 3636.94 | 104.02 | 1297.85 | 3.13e-9 | WHT | ULTRACAM | NB3500 filter (filter only) |
| WHT/ULTRACAM.u_filter | 3513.74 | 3529.69 | 3556.04 | 3067.12 | 3994.84 | 577.26 | 1489.36 | 3.53e-9 | WHT | ULTRACAM | SDSS u' filter (filter only) |
| WHT/ULTRACAM.u_s_filter | 3529.17 | 3552.94 | 3608.12 | 3067.22 | 3980.35 | 721.76 | 1718.31 | 3.96e-9 | WHT | ULTRACAM | Super SDSS u_s filter (filter only) |
| WHT/ULTRACAM.NB4170_noatm | 4203.18 | 4203.33 | 4203.08 | 4145.99 | 4266.36 | 53.96 | 4598.20 | 7.8e-9 | WHT | ULTRACAM | NB4170 filter (no atm.) |
| WHT/ULTRACAM.NB4170 | 4203.27 | 4203.42 | 4203.17 | 4146.10 | 4266.51 | 54.01 | 4598.14 | 7.8e-9 | WHT | ULTRACAM | NB4170 filter (full) |
| WHT/ULTRACAM.NB4170_filter | 4203.35 | 4203.49 | 4203.25 | 4146.36 | 4266.23 | 53.87 | 4598.18 | 7.8e-9 | WHT | ULTRACAM | NB4170 filter (filter only) |
| WHT/ULTRACAM.bowen_noatm | 4700.40 | 4700.96 | 4699.71 | 4571.99 | 4833.01 | 113.40 | 4195.22 | 5.69e-9 | WHT | ULTRACAM | CIII/NIII_HeII Bowen filter (no atm.) |
| WHT/ULTRACAM.bowen | 4700.58 | 4701.13 | 4699.89 | 4572.33 | 4833.35 | 113.36 | 4195.01 | 5.69e-9 | WHT | ULTRACAM | CIII/NIII_HeII Bowen filter (full) |
| WHT/ULTRACAM.bowen_filter | 4702.26 | 4702.82 | 4701.55 | 4575.24 | 4836.34 | 113.41 | 4192.97 | 5.69e-9 | WHT | ULTRACAM | CIII/NIII_HeII Bowen filter (filter only) |
| WHT/ULTRACAM.g_s_noatm | 4724.37 | 4782.69 | 4683.56 | 3949.05 | 5558.04 | 1201.64 | 3953.18 | 5.4e-9 | WHT | ULTRACAM | Super SDSS g_s filter (no atm.) |
| WHT/ULTRACAM.g_s_filter | 4732.72 | 4792.05 | 4690.81 | 3947.17 | 5574.00 | 1303.98 | 3941.10 | 5.37e-9 | WHT | ULTRACAM | Super SDSS g_s filter (filter only) |
| WHT/ULTRACAM.g_s | 4746.18 | 4803.57 | 4705.50 | 3950.05 | 5559.24 | 1145.80 | 3944.07 | 5.34e-9 | WHT | ULTRACAM | Super SDSS g_s filter (full) |
| WHT/ULTRACAM.g_noatm | 4781.84 | 4840.59 | 4740.90 | 3878.72 | 5678.09 | 1158.58 | 3920.34 | 5.23e-9 | WHT | ULTRACAM | SDSS g' filter (no atm.) |
| WHT/ULTRACAM.g | 4803.01 | 4860.50 | 4762.28 | 3882.20 | 5678.29 | 1111.66 | 3912.30 | 5.17e-9 | WHT | ULTRACAM | SDSS g' filter (full) |
| WHT/ULTRACAM.g_filter | 4805.07 | 4866.95 | 4761.32 | 3869.87 | 5722.68 | 1332.04 | 3897.82 | 5.15e-9 | WHT | ULTRACAM | SDSS g' filter (filter only) |
| WHT/ULTRACAM.g_filter | Filter Description | Filter ID (?) : | WHT/ULTRACAM.g_filter |
| Description (?) : | SDSS g' filter (filter only) |
| Phot.System (?) : | ULTRACAM |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | g |
| Obs. Facility (?) : | WHT |
| Instrument (?) : | ULTRACAM |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
4805.07 | ------- | (Angstrom) |
| λmean (?) : |
4866.95 | ------- | (Angstrom) |
| λcen (?) : |
4804.92 | ------- | (Angstrom) |
| λeff (?) : |
4761.32 | ------- | (Angstrom) |
| λpeak (?) : |
5114.09 | ------- | (Angstrom) |
| λpivot (?) : |
4805.07 | ------- | (Angstrom) |
| λphot (?) : |
4802.56 | ------- | (Angstrom) |
| λmin (?) : |
3869.87 | ------- | (Angstrom) |
| λmax (?) : |
5722.68 | ------- | (Angstrom) |
| Weff (?) : |
1332.04 | ------- | (Angstrom) |
| FWHM (?) : |
1533.60 | ------- | (Angstrom) |
| Af/AV (?) : |
1.20 | ------- | () |
| Fsun (?) : |
187.88 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
github: throughput models for hipercam/ultracam/ultraspec Transmission components: Filter | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
5.15452e-9 | (erg/cm2/s/A) |
| |
------- |
3897.82 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
WHT/ULTRACAM.g_filter/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.80168e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
WHT/ULTRACAM.g_filter/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
2745.74 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
WHT/ULTRACAM.g_filter/ST |
| |
|
Filter added: 2020-01-22 17:44:49
Last update: 2021-02-25 10:30:45 |
| WHT/ULTRACAM.bcont_filter | 5192.75 | 5193.67 | 5191.80 | 5020.96 | 5363.50 | 163.63 | 3804.03 | 4.23e-9 | WHT | ULTRACAM | Blue continuum filter (filter only) |
| WHT/ULTRACAM.bcont_noatm | 5194.54 | 5195.43 | 5193.60 | 5025.11 | 5360.90 | 158.74 | 3802.71 | 4.23e-9 | WHT | ULTRACAM | Blue continuum filter (no atm.) |
| WHT/ULTRACAM.bcont | 5194.67 | 5195.56 | 5193.74 | 5025.49 | 5361.00 | 158.43 | 3802.59 | 4.23e-9 | WHT | ULTRACAM | Blue continuum filter (full) |
| WHT/ULTRACAM.NaI_filter | 5961.89 | 5964.35 | 5959.40 | 5688.20 | 6239.95 | 306.94 | 3323.05 | 2.81e-9 | WHT | ULTRACAM | NaI filter (filter only) |
| WHT/ULTRACAM.NaI_noatm | 5961.99 | 5964.44 | 5959.54 | 5696.79 | 6238.52 | 305.47 | 3323.00 | 2.8e-9 | WHT | ULTRACAM | NaI filter (no atm.) |
| WHT/ULTRACAM.NaI | 5962.44 | 5964.89 | 5959.99 | 5697.33 | 6239.02 | 304.31 | 3322.75 | 2.8e-9 | WHT | ULTRACAM | NaI filter (full) |
| WHT/ULTRACAM.rcont_noatm | 6059.69 | 6060.14 | 6059.23 | 5930.14 | 6191.63 | 122.61 | 3271.05 | 2.67e-9 | WHT | ULTRACAM | Red Continuum filter (no atm.) |
| WHT/ULTRACAM.rcont_filter | 6059.73 | 6060.19 | 6059.27 | 5930.04 | 6192.40 | 123.10 | 3271.02 | 2.67e-9 | WHT | ULTRACAM | Red continuum filter (filter only) |
| WHT/ULTRACAM.rcont | 6059.82 | 6060.28 | 6059.37 | 5930.28 | 6191.85 | 122.53 | 3270.98 | 2.67e-9 | WHT | ULTRACAM | Red continuum filter (full) |
| WHT/ULTRACAM.r_s_filter | 6214.35 | 6252.78 | 6171.60 | 5460.26 | 7000.73 | 1259.05 | 3131.31 | 2.46e-9 | WHT | ULTRACAM | Super SDSS r_s filter (filter only) |
| WHT/ULTRACAM.r_s_noatm | 6249.62 | 6285.36 | 6209.61 | 5483.34 | 7001.52 | 1150.49 | 3113.28 | 2.42e-9 | WHT | ULTRACAM | Super SDSS r_s filter (no atm.) |
| WHT/ULTRACAM.r_s | 6255.87 | 6291.38 | 6215.98 | 5484.60 | 7001.50 | 1107.74 | 3109.36 | 2.41e-9 | WHT | ULTRACAM | Super SDSS r_s filter (full) |
| WHT/ULTRACAM.r_filter | 6263.63 | 6300.10 | 6223.02 | 5469.64 | 7172.88 | 1214.07 | 3105.80 | 2.4e-9 | WHT | ULTRACAM | SDSS r' filter (filter only) |
| WHT/ULTRACAM.r_noatm | 6288.51 | 6323.24 | 6249.80 | 5488.12 | 7179.69 | 1146.68 | 3093.39 | 2.37e-9 | WHT | ULTRACAM | SDSS r' filter (no atm.) |
| WHT/ULTRACAM.r | 6294.77 | 6329.29 | 6256.18 | 5489.22 | 7177.54 | 1107.41 | 3089.53 | 2.37e-9 | WHT | ULTRACAM | SDSS r' filter (full) |
| WHT/ULTRACAM.Ha_broad_filter | 6610.12 | 6610.37 | 6612.57 | 6507.04 | 6712.11 | 97.36 | 2765.14 | 1.9e-9 | WHT | ULTRACAM | Halpha broad filter (filter only) |
| WHT/ULTRACAM.Ha_broad_noatm | 6610.25 | 6610.51 | 6612.69 | 6507.30 | 6712.21 | 97.11 | 2766.04 | 1.9e-9 | WHT | ULTRACAM | Halpha broad filter (no atm.) |
| WHT/ULTRACAM.Ha_broad | 6610.33 | 6610.59 | 6612.77 | 6507.42 | 6712.29 | 96.99 | 2766.58 | 1.9e-9 | WHT | ULTRACAM | Halpha broad filter (full) |
| WHT/ULTRACAM.Ha_narrow_filter | 6618.95 | 6619.04 | 6619.52 | 6557.61 | 6681.19 | 54.11 | 2894.59 | 1.98e-9 | WHT | ULTRACAM | Halpha narrow filter (filter only) |
| WHT/ULTRACAM.Ha_narrow_noatm | 6618.99 | 6619.09 | 6619.56 | 6557.69 | 6681.23 | 54.08 | 2894.81 | 1.98e-9 | WHT | ULTRACAM | Halpha narrow filter (no atm.) |
| WHT/ULTRACAM.Ha_narrow | 6619.02 | 6619.11 | 6619.59 | 6557.73 | 6681.27 | 54.07 | 2894.93 | 1.98e-9 | WHT | ULTRACAM | Halpha narrow filter (full) |
| WHT/ULTRACAM.clear_noatm | 7256.53 | 7544.76 | 6996.76 | 4343.48 | 10498.00 | 3041.70 | 2616.75 | 1.6e-9 | WHT | ULTRACAM | Clear filter (no atm.) |
| WHT/ULTRACAM.clear | 7272.87 | 7557.95 | 7015.22 | 4348.86 | 10498.00 | 2951.28 | 2610.84 | 1.59e-9 | WHT | ULTRACAM | Clear filter (full) |
| WHT/ULTRACAM.i_noatm | 7614.29 | 7642.11 | 7584.42 | 6863.39 | 8518.92 | 1110.75 | 2547.67 | 1.33e-9 | WHT | ULTRACAM | SDSS i' filter (no atm.) |
| WHT/ULTRACAM.i | 7616.32 | 7644.63 | 7585.90 | 6866.68 | 8519.35 | 1079.44 | 2546.68 | 1.33e-9 | WHT | ULTRACAM | SDSS i' filter (full) |
| WHT/ULTRACAM.i_s_noatm | 7638.19 | 7670.56 | 7603.56 | 6907.37 | 8567.35 | 1192.61 | 2536.79 | 1.32e-9 | WHT | ULTRACAM | Super SDSS i_s filter (no atm.) |
| WHT/ULTRACAM.i_s | 7641.16 | 7674.14 | 7605.84 | 6909.12 | 8568.12 | 1169.07 | 2535.41 | 1.31e-9 | WHT | ULTRACAM | Super SDSS i_s filter (full) |
| WHT/ULTRACAM.i_filter | 7693.40 | 7723.49 | 7660.54 | 6862.56 | 8548.84 | 1247.39 | 2517.16 | 1.29e-9 | WHT | ULTRACAM | SDSS i' filter (filter only) |
| WHT/ULTRACAM.i_s_filter | 7735.04 | 7770.43 | 7696.31 | 6905.57 | 8592.87 | 1362.20 | 2499.40 | 1.27e-9 | WHT | ULTRACAM | Super SDSS i_s filter (filter only) |
| WHT/ULTRACAM.clear_filter | 6590.12 | 7778.82 | 6056.90 | 3033.03 | 11033.00 | 5144.78 | 2333.13 | 1.91e-9 | WHT | ULTRACAM | Clear filter (filter only) |
| WHT/ULTRACAM.iz | 8163.84 | 8298.12 | 8058.44 | 6804.00 | 10500.00 | 1906.30 | 2393.59 | 1.11e-9 | WHT | ULTRACAM | SDSS i'+z' filter (full) |
| WHT/ULTRACAM.iz_noatm | 8164.46 | 8299.26 | 8059.24 | 6803.52 | 10500.00 | 1959.81 | 2395.22 | 1.11e-9 | WHT | ULTRACAM | SDSS i'+z' filter (no atm.) |
| WHT/ULTRACAM.z | 9119.57 | 9168.25 | 9092.25 | 8008.82 | 10495.90 | 1567.73 | 2226.12 | 8.02e-10 | WHT | ULTRACAM | SDSS z' filter (full) |
| WHT/ULTRACAM.z_s | 9126.59 | 9172.83 | 9103.78 | 8207.12 | 10498.50 | 1440.94 | 2230.19 | 8.07e-10 | WHT | ULTRACAM | Super SDSS z_s filter (full) |
| WHT/ULTRACAM.z_noatm | 9128.51 | 9175.82 | 9104.24 | 8008.19 | 10495.90 | 1626.70 | 2235.52 | 8.09e-10 | WHT | ULTRACAM | SDSS z' filter (no atm.) |
| WHT/ULTRACAM.z_s_noatm | 9136.13 | 9180.99 | 9114.20 | 8206.25 | 10498.50 | 1501.60 | 2232.96 | 8.06e-10 | WHT | ULTRACAM | Super SDSS z_s filter (no atm.) |
| WHT/ULTRACAM.iz_filter | 8969.69 | 9192.83 | 8782.56 | 6801.82 | 11045.00 | 3291.67 | 2207.25 | 8.58e-10 | WHT | ULTRACAM | SDSS i'+z' filter (filter only) |
| WHT/ULTRACAM.z_s_filter | 9668.46 | 9762.66 | 9591.88 | 8213.76 | 11048.50 | 2369.15 | 2122.50 | 6.92e-10 | WHT | ULTRACAM | Super SDSS z_s filter (filter only) |
| WHT/ULTRACAM.z_filter | 10145.90 | 10314.94 | 9985.91 | 8033.20 | 12050.90 | 3154.33 | 2001.68 | 6.02e-10 | WHT | ULTRACAM | SDSS z' filter (filter only) |
 ≡ 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=4866.9455422054&id=WHT/ULTRACAM.g_filter><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 (photon counter)<br> Vg(λ) ≡ Vega spectrum<p><img src=showgraph.php?what=leff&val=4761.3165705432&id=WHT/ULTRACAM.g_filter><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=4805.0652294147&id=WHT/ULTRACAM.g_filter><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 (photon counter)<br> Vg(λ) ≡ Vega spectrum<p><img src=showgraph.php?what=lphot&val=4802.5550808437&id=WHT/ULTRACAM.g_filter><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=1332.0402408049,4804.9243140686,0.909615&id=WHT/ULTRACAM.g_filter><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 (photon counter).<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 (photon counter).<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}
