| CAHA/Astralux.U_filter | 3642.35 | 3666.21 | 3725.94 | 2750.00 | 4169.87 | 508.69 | 1949.73 | 4.41e-9 | CAHA | Astralux | Astralux Johnson U filter (filter only) |
| CAHA/Astralux.U_noatm | 3657.46 | 3681.88 | 3745.62 | 2750.00 | 4202.89 | 527.31 | 2028.58 | 4.55e-9 | CAHA | Astralux | Astralux Johnson U filter (no atm.) |
| CAHA/Astralux.U | 3703.33 | 3719.38 | 3779.78 | 3031.83 | 4212.98 | 490.73 | 2143.33 | 4.69e-9 | CAHA | Astralux | Astralux Johnson U filter (full) |
| CAHA/Astralux.B_filter | 4508.79 | 4541.33 | 4492.06 | 3775.72 | 5788.60 | 766.39 | 4122.92 | 6.08e-9 | CAHA | Astralux | Astralux Johnson B filter (filter only) |
| CAHA/Astralux.B_noatm | 4556.57 | 4587.33 | 4538.05 | 3801.84 | 5796.75 | 728.28 | 4118.30 | 5.95e-9 | CAHA | Astralux | Astralux Johnson B filter (no atm.) |
| CAHA/Astralux.B | 4569.02 | 4599.57 | 4550.02 | 3808.49 | 5800.07 | 719.41 | 4115.19 | 5.91e-9 | CAHA | Astralux | Astralux Johnson B filter (full) |
| CAHA/Astralux.V_filter | 5399.53 | 5431.30 | 5372.15 | 4656.81 | 6594.92 | 935.77 | 3662.16 | 3.77e-9 | CAHA | Astralux | Astralux Johnson V filter (filter only) |
| CAHA/Astralux.V_noatm | 5402.86 | 5434.42 | 5375.57 | 4665.92 | 6592.01 | 935.01 | 3660.57 | 3.76e-9 | CAHA | Astralux | Astralux Johnson V filter (no atm.) |
| CAHA/Astralux.V | 5407.34 | 5439.12 | 5379.77 | 4669.89 | 6601.06 | 938.03 | 3658.18 | 3.75e-9 | CAHA | Astralux | Astralux Johnson V filter (full) |
| CAHA/Astralux.R2_noatm | 6417.66 | 6465.12 | 6366.11 | 5450.88 | 7611.06 | 1357.39 | 3062.24 | 2.23e-9 | CAHA | Astralux | Johnson Roeser R2 filter (no atm.) |
| CAHA/Astralux.R2 | 6424.62 | 6471.73 | 6373.39 | 5459.41 | 7586.09 | 1336.44 | 3057.97 | 2.22e-9 | CAHA | Astralux | Johnson Roeser R2 filter (full) |
| CAHA/Astralux.R2_filter | 6429.85 | 6478.04 | 6377.59 | 5459.03 | 7637.89 | 1320.78 | 3056.29 | 2.22e-9 | CAHA | Astralux | Johnson Roeser R2 filter (filter only) |
| CAHA/Astralux.R_noatm | 6515.76 | 6613.56 | 6420.85 | 5431.83 | 9147.92 | 1727.98 | 3038.51 | 2.15e-9 | CAHA | Astralux | Astralux Johnson R filter (no atm.) |
| CAHA/Astralux.R | 6522.08 | 6619.10 | 6427.75 | 5432.98 | 9140.23 | 1743.39 | 3034.49 | 2.14e-9 | CAHA | Astralux | Astralux Johnson R filter (full) |
| CAHA/Astralux.R_filter | 6575.59 | 6691.28 | 6466.94 | 5431.74 | 9923.20 | 1845.01 | 3016.26 | 2.09e-9 | CAHA | Astralux | Astralux Johnson R filter (filter only) |
| CAHA/Astralux.GG385_noatm | 6427.32 | 6982.78 | 5950.04 | 3645.20 | 11000.00 | 4694.75 | 3220.12 | 2.34e-9 | CAHA | Astralux | Astralux GG385 Schott filter (no atm.) |
| CAHA/Astralux.GG385 | 6469.94 | 7002.38 | 6001.12 | 3667.97 | 11000.00 | 4289.52 | 3201.47 | 2.29e-9 | CAHA | Astralux | Astralux GG385 Schott filter (full) |
| CAHA/Astralux.sdss_i_noatm | 7644.34 | 7675.61 | 7609.74 | 6814.57 | 8530.14 | 1307.38 | 2533.09 | 1.3e-9 | CAHA | Astralux | Astralux SDSS i filter (no atm.) |
| CAHA/Astralux.sdss_i_noatm | Filter Description | Filter ID (?) : | CAHA/Astralux.sdss_i_noatm |
| Description (?) : | Astralux SDSS i filter (no atm.) |
| Phot.System (?) : | Astralux |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | i |
| Obs. Facility (?) : | CAHA |
| Instrument (?) : | Astralux |
| Comments (?) : | Transmission including CCD QE, no atmosphere.
|
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
7644.34 | ------- | (Angstrom) |
| λmean (?) : |
7675.61 | ------- | (Angstrom) |
| λcen (?) : |
7684.72 | ------- | (Angstrom) |
| λeff (?) : |
7609.74 | ------- | (Angstrom) |
| λpeak (?) : |
7420.00 | ------- | (Angstrom) |
| λpivot (?) : |
7644.34 | ------- | (Angstrom) |
| λphot (?) : |
7630.45 | ------- | (Angstrom) |
| λmin (?) : |
6814.57 | ------- | (Angstrom) |
| λmax (?) : |
8530.14 | ------- | (Angstrom) |
| Weff (?) : |
1307.38 | ------- | (Angstrom) |
| FWHM (?) : |
1368.28 | ------- | (Angstrom) |
| Af/AV (?) : |
0.651 | ------- | () |
| Fsun (?) : |
122.54 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
Astralux filter data Transmission components: Filter + Instrumentid:CAHA/Astralux.sdss_i_noatm
You can download here the GaiaXPy base XML file for the full CAHA/Astralux 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 (?) : |
------- |
1.29955e-9 | (erg/cm2/s/A) |
| |
------- |
2533.09 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/Astralux.sdss_i_noatm/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.8628e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/Astralux.sdss_i_noatm/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
7077.59 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/Astralux.sdss_i_noatm/ST |
| |
|
Filter added: 2020-01-23 14:42:41
Last update: 2021-07-27 18:43:12 |
| CAHA/Astralux.sdss_i | 7644.74 | 7676.32 | 7609.77 | 6814.89 | 8530.44 | 1271.62 | 2533.05 | 1.3e-9 | CAHA | Astralux | Astralux SDSS i filter (full) |
| CAHA/Astralux.sdss_i_filter | 7685.32 | 7717.10 | 7649.87 | 6820.08 | 8543.65 | 1275.45 | 2517.56 | 1.28e-9 | CAHA | Astralux | Astralux SDSS i filter (filter only) |
| CAHA/Astralux.GG385_filter | 7151.84 | 8029.96 | 6381.56 | 3627.72 | 11000.00 | 4780.13 | 2999.76 | 1.76e-9 | CAHA | Astralux | Astralux GG385 Schott filter (fitler only) |
| CAHA/Astralux.RG9 | 8310.98 | 8409.56 | 8240.20 | 7029.94 | 10799.64 | 1894.07 | 2385.74 | 1.04e-9 | CAHA | Astralux | Astralux RG9 Schott filter (full) |
| CAHA/Astralux.RG9_noatm | 8319.41 | 8419.81 | 8247.75 | 7030.42 | 10799.29 | 1987.10 | 2386.54 | 1.03e-9 | CAHA | Astralux | Astralux RG9 Schott filter (no atm.) |
| CAHA/Astralux.I | 8649.26 | 8719.84 | 8603.68 | 7294.71 | 10273.24 | 1644.27 | 2289.42 | 9.17e-10 | CAHA | Astralux | Astralux Johnson I filter (full) |
| CAHA/Astralux.I_noatm | 8669.98 | 8741.04 | 8624.28 | 7291.73 | 10273.24 | 1707.55 | 2288.53 | 9.13e-10 | CAHA | Astralux | Astralux Johnson I filter (no atm.) |
| CAHA/Astralux.RG780 | 8700.56 | 8780.61 | 8647.29 | 7410.43 | 11000.00 | 1764.30 | 2287.17 | 9.06e-10 | CAHA | Astralux | Astralux RG780 Schott filter (full) |
| CAHA/Astralux.RG780_noatm | 8715.86 | 8796.31 | 8662.38 | 7410.56 | 11000.00 | 1814.97 | 2286.61 | 9.02e-10 | CAHA | Astralux | Astralux RG780 Schott filter (no atm.) |
| CAHA/Astralux.RG9_filter | 8869.84 | 9043.86 | 8740.00 | 7050.62 | 11945.44 | 3184.89 | 2301.63 | 8.77e-10 | CAHA | Astralux | Astralux RG9 Schott filter (filter only) |
| CAHA/Astralux.I_filter | 9004.04 | 9089.90 | 8946.24 | 7379.60 | 10273.24 | 2242.97 | 2247.64 | 8.31e-10 | CAHA | Astralux | Astralux Johnson I filter (fitler only) |
| CAHA/Astralux.RG830 | 9072.85 | 9130.31 | 9038.82 | 7875.71 | 11000.00 | 1369.42 | 2241.39 | 8.16e-10 | CAHA | Astralux | Astralux RG830 Schott filter (full) |
| CAHA/Astralux.sdss_z | 9098.06 | 9153.09 | 9066.61 | 8213.25 | 11000.00 | 1178.63 | 2219.85 | 8.04e-10 | CAHA | Astralux | AstraLux SDSS z filter (full) |
| CAHA/Astralux.RG830_noatm | 9096.37 | 9153.54 | 9062.25 | 7875.43 | 11348.16 | 1477.76 | 2241.27 | 8.12e-10 | CAHA | Astralux | Astralux RG830 Schott filter (no atm.) |
| CAHA/Astralux.sdss_z_noatm | 9111.83 | 9164.72 | 9081.73 | 8209.84 | 11000.00 | 1249.13 | 2221.31 | 8.02e-10 | CAHA | Astralux | Astralux SDSS z filter (no atm.) |
| CAHA/Astralux.sdss_z_filter | 9645.49 | 9735.82 | 9569.58 | 8225.79 | 11000.00 | 2300.79 | 2138.53 | 6.89e-10 | CAHA | Astralux | Astralux SDSS z filter (filter only) |
| CAHA/Astralux.RG1000_noatm | 9817.11 | 9860.86 | 9772.79 | 8500.00 | 11615.39 | 1362.30 | 2173.18 | 6.76e-10 | CAHA | Astralux | Astralux RG1000 Schott filter (no atm.) |
| CAHA/Astralux.RG1000 | 9827.02 | 9868.40 | 9785.12 | 8500.00 | 11200.00 | 1279.22 | 2169.47 | 6.73e-10 | CAHA | Astralux | Astralux RG1000 Schott filter (full) |
| CAHA/Astralux.RG780_filter | 11202.81 | 11802.74 | 10557.11 | 7452.13 | 15000.00 | 5461.81 | 1855.52 | 4.43e-10 | CAHA | Astralux | Astralux RG780 Schott filter (filter only) |
| CAHA/Astralux.RG830_filter | 11517.95 | 12021.90 | 10948.20 | 7974.17 | 15000.00 | 5157.23 | 1803.78 | 4.08e-10 | CAHA | Astralux | Astralux RG830 Schott filter (filter only) |
| CAHA/Astralux.RG1000_filter | 13377.43 | 13871.88 | 12708.57 | 8722.29 | 17000.00 | 5300.52 | 1479.44 | 2.48e-10 | CAHA | Astralux | Astralux RG100 Schott filter (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=7675.6068465303&id=CAHA/Astralux.sdss_i_noatm><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=7609.7441979815&id=CAHA/Astralux.sdss_i_noatm><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=7644.3414234241&id=CAHA/Astralux.sdss_i_noatm><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=7630.4495271397&id=CAHA/Astralux.sdss_i_noatm><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=1307.3824864989,7684.7180687009,1&id=CAHA/Astralux.sdss_i_noatm><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}
