| HST/WFPC1-WF.G200M2 | 1474.40 | 1496.95 | 1528.68 | 1141.52 | 1961.85 | 383.70 | 427.27 | 5.89e-9 | HST | WFPC1 | G200M2 filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F194W | 2086.77 | 2116.86 | 2088.07 | 1629.68 | 2813.71 | 433.94 | 758.90 | 5.22e-9 | HST | WFPC1 | F194W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F230W | 2358.13 | 2373.09 | 2358.22 | 1974.61 | 2912.20 | 427.63 | 794.89 | 4.29e-9 | HST | WFPC1 | F230W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F284W | 2837.36 | 2859.90 | 2852.40 | 2248.31 | 3533.31 | 491.04 | 994.44 | 3.7e-9 | HST | WFPC1 | F284W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F336W | 3362.01 | 3375.46 | 3369.58 | 2907.64 | 3819.39 | 481.28 | 1251.35 | 3.32e-9 | HST | WFPC1 | F336W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F368M | 3687.86 | 3691.80 | 3716.55 | 3456.89 | 4040.00 | 275.96 | 1737.68 | 3.83e-9 | HST | WFPC1 | F368M filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F375N | 3755.58 | 3756.07 | 3762.65 | 3651.77 | 3882.95 | 101.98 | 1963.04 | 4.17e-9 | HST | WFPC1 | F375N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F157W | 2422.85 | 3981.51 | 2946.75 | 1242.60 | 10241.85 | 1263.42 | 818.51 | 4.18e-9 | HST | WFPC1 | F157W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F413M | 4126.15 | 4130.23 | 4127.63 | 3870.66 | 4401.59 | 298.36 | 4236.24 | 7.46e-9 | HST | WFPC1 | F413M filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F437N | 4365.78 | 4365.81 | 4366.69 | 4331.18 | 4395.75 | 22.08 | 3898.92 | 6.13e-9 | HST | WFPC1 | F437N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F439W | 4356.77 | 4370.25 | 4353.56 | 3928.36 | 4791.82 | 579.04 | 4221.30 | 6.67e-9 | HST | WFPC1 | F439W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F469N | 4687.17 | 4687.22 | 4687.13 | 4646.85 | 4725.28 | 26.87 | 4235.40 | 5.78e-9 | HST | WFPC1 | F469N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F487N | 4868.57 | 4868.62 | 4869.85 | 4823.52 | 4911.21 | 32.58 | 2756.83 | 3.49e-9 | HST | WFPC1 | F487N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F492M | 4911.90 | 4919.23 | 4906.28 | 4576.43 | 5273.39 | 483.12 | 3883.29 | 4.83e-9 | HST | WFPC1 | F492M filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F502N | 5018.55 | 5018.60 | 5018.51 | 4973.83 | 5061.04 | 29.56 | 3943.81 | 4.69e-9 | HST | WFPC1 | F502N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.G450 | 4893.56 | 5042.53 | 4881.69 | 3188.34 | 6730.25 | 1701.08 | 3616.86 | 4.53e-9 | HST | WFPC1 | G450 filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F517N | 5170.36 | 5170.76 | 5169.86 | 5062.49 | 5288.56 | 110.95 | 3820.30 | 4.28e-9 | HST | WFPC1 | F517N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F122M | 3778.62 | 5404.20 | 4412.21 | 1150.17 | 10583.15 | 4161.17 | 1534.28 | 3.22e-9 | HST | WFPC1 | F122M filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F547M | 5461.43 | 5470.95 | 5452.28 | 5047.47 | 5892.16 | 588.22 | 3630.88 | 3.65e-9 | HST | WFPC1 | F547M filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.G200 | 4523.40 | 5526.74 | 4820.65 | 1599.88 | 10499.64 | 4317.15 | 2312.40 | 3.39e-9 | HST | WFPC1 | G200 filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F555W | 5467.64 | 5542.12 | 5400.03 | 4442.41 | 7120.06 | 1500.16 | 3618.94 | 3.63e-9 | HST | WFPC1 | F555W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F569W | 5627.29 | 5674.82 | 5580.62 | 4822.02 | 7056.59 | 1189.24 | 3537.00 | 3.35e-9 | HST | WFPC1 | F569W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F588N | 5879.89 | 5879.97 | 5879.78 | 5810.80 | 5943.97 | 43.48 | 3360.21 | 2.91e-9 | HST | WFPC1 | F588N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F606W | 5911.23 | 6018.96 | 5803.56 | 4524.97 | 7375.64 | 1880.75 | 3358.66 | 2.88e-9 | HST | WFPC1 | F606W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F622W | 6160.68 | 6201.67 | 6114.42 | 5323.14 | 7515.77 | 1245.41 | 3196.97 | 2.53e-9 | HST | WFPC1 | F622W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F631N | 6306.31 | 6306.35 | 6306.22 | 6254.42 | 6350.35 | 29.31 | 3127.35 | 2.36e-9 | HST | WFPC1 | F631N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F648M | 6471.83 | 6477.62 | 6463.41 | 6090.51 | 6907.81 | 475.09 | 2964.30 | 2.12e-9 | HST | WFPC1 | F648M filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F656N | 6558.85 | 6558.87 | 6558.27 | 6527.34 | 6584.65 | 19.12 | 2214.76 | 1.54e-9 | HST | WFPC1 | F656N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F658N | 6576.45 | 6576.47 | 6577.07 | 6545.41 | 6601.96 | 18.99 | 2401.50 | 1.66e-9 | HST | WFPC1 | F658N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F664N | 6637.50 | 6638.20 | 6640.06 | 6470.12 | 6802.60 | 169.36 | 2805.17 | 1.91e-9 | HST | WFPC1 | F664N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F673N | 6722.64 | 6722.75 | 6722.56 | 6625.13 | 6802.07 | 47.10 | 2916.47 | 1.93e-9 | HST | WFPC1 | F673N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F675W | 6696.73 | 6730.49 | 6662.73 | 5922.98 | 7726.85 | 1186.06 | 2908.63 | 1.94e-9 | HST | WFPC1 | F675W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F8ND | 5851.94 | 6919.51 | 5678.54 | 1993.42 | 10684.56 | 4513.50 | 2802.81 | 2.45e-9 | HST | WFPC1 | F8ND filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F8ND | Filter Description | Filter ID (?) : | HST/WFPC1-WF.F8ND |
| Description (?) : | F8ND filter for HST WF/PC-1 wide field camera (detector 2) |
| Phot.System (?) : | WFPC1-WF |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | HST |
| Instrument (?) : | WFPC1 |
| Comments (?) : | Response calculated using the stsynphot python package by STScI. In particular, function stsynphot.band("wfpc,f8nd"). Please, take a look to stsynphot documentation and HST instrument documentation |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
5851.94 | ------- | (Angstrom) |
| λmean (?) : |
6919.51 | ------- | (Angstrom) |
| λcen (?) : |
7123.77 | ------- | (Angstrom) |
| λeff (?) : |
5678.54 | ------- | (Angstrom) |
| λpeak (?) : |
6300.00 | ------- | (Angstrom) |
| λpivot (?) : |
5851.94 | ------- | (Angstrom) |
| λphot (?) : |
6112.05 | ------- | (Angstrom) |
| λmin (?) : |
1993.42 | ------- | (Angstrom) |
| λmax (?) : |
10684.56 | ------- | (Angstrom) |
| Weff (?) : |
4513.50 | ------- | (Angstrom) |
| FWHM (?) : |
5004.32 | ------- | (Angstrom) |
| Af/AV (?) : |
0.936 | ------- | () |
| Fsun (?) : |
------- | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
stsynphot documentation Transmission components: Filter + CCD + Instrumentid:HST/WFPC1-WF.F8ND
You can download here the GaiaXPy base XML file for the full HST/WFPC1-WF 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 (?) : |
------- |
2.45366e-9 | (erg/cm2/s/A) |
| |
------- |
2802.81 | (Jy) |
| PhotCal ID (?) : |
HST/WFPC1-WF.F8ND/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.17869e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| PhotCal ID (?) : |
HST/WFPC1-WF.F8ND/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
4147.68 | (Jy) |
| PhotCal ID (?) : |
HST/WFPC1-WF.F8ND/ST |
| |
|
Filter added: 2019-07-16 12:16:44
Last update: 2022-03-01 15:25:14 |
| HST/WFPC1-WF.POL0 | 5851.94 | 6919.51 | 5678.54 | 1993.42 | 10684.56 | 4513.50 | 2802.81 | 2.45e-9 | HST | WFPC1 | POL0 filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.POL120 | 5851.94 | 6919.51 | 5678.54 | 1993.42 | 10684.56 | 4513.50 | 2802.81 | 2.45e-9 | HST | WFPC1 | POL120 filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.POL60 | 5851.94 | 6919.51 | 5678.54 | 1993.42 | 10684.56 | 4513.50 | 2802.81 | 2.45e-9 | HST | WFPC1 | POL60 filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F128LP | 5889.12 | 6946.21 | 5705.22 | 2002.99 | 10685.65 | 4503.17 | 2811.58 | 2.43e-9 | HST | WFPC1 | F128LP filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F702W | 6920.16 | 7009.52 | 6831.25 | 5833.06 | 8951.39 | 1843.97 | 2835.32 | 1.77e-9 | HST | WFPC1 | F702W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F718M | 7162.72 | 7176.13 | 7148.16 | 6628.76 | 7867.40 | 637.37 | 2724.33 | 1.59e-9 | HST | WFPC1 | F718M filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.G800 | 7461.48 | 7751.47 | 7212.74 | 5551.11 | 10680.58 | 3304.25 | 2715.18 | 1.46e-9 | HST | WFPC1 | G800 filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F791W | 7901.63 | 7961.11 | 7843.81 | 6816.79 | 9375.52 | 1654.71 | 2463.47 | 1.18e-9 | HST | WFPC1 | F791W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F814W | 8120.28 | 8222.89 | 8034.15 | 6839.00 | 10138.15 | 2207.99 | 2434.17 | 1.11e-9 | HST | WFPC1 | F814W filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F875M | 8756.37 | 8765.92 | 8754.88 | 8216.24 | 9447.50 | 681.43 | 2253.07 | 8.81e-10 | HST | WFPC1 | F875M filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F889N | 8888.01 | 8888.09 | 8889.21 | 8813.14 | 8964.26 | 49.21 | 2213.89 | 8.4e-10 | HST | WFPC1 | F889N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F725LP | 8559.71 | 9050.55 | 8383.98 | 6986.06 | 10787.95 | 2543.53 | 2354.76 | 9.63e-10 | HST | WFPC1 | F725LP filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F785LP | 9031.32 | 9588.75 | 8871.63 | 7559.92 | 10835.97 | 2201.87 | 2251.31 | 8.27e-10 | HST | WFPC1 | F785LP filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F850LP | 9482.40 | 10196.47 | 9289.43 | 8220.91 | 10843.16 | 1566.57 | 2206.51 | 7.36e-10 | HST | WFPC1 | F850LP filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F1083N | 10830.30 | 10830.47 | 10829.75 | 10710.00 | 10928.77 | 98.34 | 1897.39 | 4.85e-10 | HST | WFPC1 | F1083N filter for HST WF/PC-1 wide field camera (detector 2) |
| HST/WFPC1-WF.F1042M | 10875.02 | 12881.14 | 10262.75 | 9610.00 | 10946.69 | 421.17 | 1990.80 | 5.05e-10 | HST | WFPC1 | F1042M filter for HST WF/PC-1 wide field camera (detector 2) |
 ≡ 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=6919.5135432295&id=HST/WFPC1-WF.F8ND><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=5678.5372168391&id=HST/WFPC1-WF.F8ND><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=5851.9378944575&id=HST/WFPC1-WF.F8ND><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=6112.0542481065&id=HST/WFPC1-WF.F8ND><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=4513.5002889114,7123.7651599894,1&id=HST/WFPC1-WF.F8ND><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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>Filter transmission is transformed to \"<i>energy counter</i>\" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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}
