| CAHA/Astralux.U_filter | 3642.35 | 3666.21 | 3726.09 | 2750.00 | 4164.26 | 508.69 | 2012.60 | 4.35e-9 | CAHA | Astralux | Astralux Johnson U filter (filter only) |
| CAHA/Astralux.U_noatm | 3657.46 | 3681.88 | 3745.81 | 2750.00 | 4196.30 | 527.31 | 2099.20 | 4.49e-9 | CAHA | Astralux | Astralux Johnson U filter (no atm.) |
| CAHA/Astralux.U | 3703.33 | 3719.38 | 3780.01 | 3013.74 | 4204.80 | 490.73 | 2203.17 | 4.62e-9 | CAHA | Astralux | Astralux Johnson U filter (full) |
| CAHA/Astralux.U | Filter Description | Filter ID (?) : | CAHA/Astralux.U |
| Description (?) : | Astralux Johnson U filter (full) |
| Phot.System (?) : | Astralux |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | U |
| Obs. Facility (?) : | CAHA |
| Instrument (?) : | Astralux |
| Comments (?) : | CAHA filter 449.76
Transmission including CCD and atmosphere
|
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
3703.33 | ------- | (Angstrom) |
| λmean (?) : |
3719.38 | ------- | (Angstrom) |
| λcen (?) : |
3727.40 | ------- | (Angstrom) |
| λeff (?) : |
3780.01 | ------- | (Angstrom) |
| λpeak (?) : |
3810.00 | ------- | (Angstrom) |
| λpivot (?) : |
3703.33 | ------- | (Angstrom) |
| λphot (?) : |
3789.86 | ------- | (Angstrom) |
| λmin (?) : |
3013.74 | ------- | (Angstrom) |
| λmax (?) : |
4204.80 | ------- | (Angstrom) |
| Weff (?) : |
490.73 | ------- | (Angstrom) |
| FWHM (?) : |
497.87 | ------- | (Angstrom) |
| Af/AV (?) : |
1.52 | ------- | () |
| Fsun (?) : |
110.13 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Transmission components: Filter + Instrument + Atmosphere | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.62257e-9 | (erg/cm2/s/A) |
| |
------- |
2203.17 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/Astralux.U/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
7.61837e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/Astralux.U/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
1730.58 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/Astralux.U/ST |
| |
|
Filter added: 2011-11-09 02:56:33
Last update: 2020-12-10 16:28:14 |
| CAHA/Astralux.B_filter | 4508.79 | 4541.33 | 4492.89 | 3769.98 | 5750.42 | 766.39 | 4077.78 | 6.06e-9 | CAHA | Astralux | Astralux Johnson B filter (filter only) |
| CAHA/Astralux.B_noatm | 4556.57 | 4587.33 | 4538.78 | 3795.62 | 5780.92 | 728.28 | 4072.06 | 5.93e-9 | CAHA | Astralux | Astralux Johnson B filter (no atm.) |
| CAHA/Astralux.B | 4569.02 | 4599.57 | 4550.74 | 3802.12 | 5786.49 | 719.41 | 4068.64 | 5.89e-9 | CAHA | Astralux | Astralux Johnson B filter (full) |
| CAHA/Astralux.V_filter | 5399.53 | 5431.30 | 5372.22 | 4644.74 | 6551.29 | 935.77 | 3623.94 | 3.76e-9 | CAHA | Astralux | Astralux Johnson V filter (filter only) |
| CAHA/Astralux.V_noatm | 5402.86 | 5434.42 | 5375.64 | 4653.92 | 6550.14 | 935.01 | 3622.51 | 3.76e-9 | CAHA | Astralux | Astralux Johnson V filter (no atm.) |
| CAHA/Astralux.V | 5407.34 | 5439.12 | 5379.85 | 4657.60 | 6557.88 | 938.03 | 3619.83 | 3.75e-9 | CAHA | Astralux | Astralux Johnson V filter (full) |
| CAHA/Astralux.R2_noatm | 6417.66 | 6465.12 | 6367.07 | 5408.74 | 7589.05 | 1357.39 | 3025.35 | 2.24e-9 | CAHA | Astralux | Johnson Roeser R2 filter (no atm.) |
| CAHA/Astralux.R2 | 6424.62 | 6471.73 | 6374.34 | 5419.00 | 7581.61 | 1336.44 | 3021.60 | 2.23e-9 | CAHA | Astralux | Johnson Roeser R2 filter (full) |
| CAHA/Astralux.R2_filter | 6429.85 | 6478.04 | 6378.56 | 5414.97 | 7614.35 | 1320.78 | 3019.06 | 2.22e-9 | CAHA | Astralux | Johnson Roeser R2 filter (filter only) |
| CAHA/Astralux.R_noatm | 6515.76 | 6613.56 | 6422.54 | 5428.15 | 8955.40 | 1727.98 | 2963.58 | 2.15e-9 | CAHA | Astralux | Astralux Johnson R filter (no atm.) |
| CAHA/Astralux.R | 6522.09 | 6619.12 | 6429.42 | 5428.80 | 8952.59 | 1743.41 | 2960.39 | 2.15e-9 | CAHA | Astralux | Astralux Johnson R filter (full) |
| CAHA/Astralux.R_filter | 6575.59 | 6691.28 | 6468.78 | 5428.04 | 9562.33 | 1845.01 | 2930.86 | 2.1e-9 | CAHA | Astralux | Astralux Johnson R filter (filter only) |
| CAHA/Astralux.GG385_noatm | 6427.32 | 6982.77 | 5954.72 | 3623.93 | 11000.00 | 4694.75 | 2775.52 | 2.35e-9 | CAHA | Astralux | Astralux GG385 Schott filter (no atm.) |
| CAHA/Astralux.GG385 | 6469.94 | 7002.38 | 6007.85 | 3634.32 | 11000.00 | 4289.50 | 2769.08 | 2.3e-9 | CAHA | Astralux | Astralux GG385 Schott filter (full) |
| CAHA/Astralux.sdss_i_noatm | 7644.34 | 7675.61 | 7610.50 | 6812.21 | 8523.58 | 1307.38 | 2535.14 | 1.31e-9 | CAHA | Astralux | Astralux SDSS i filter (no atm.) |
| CAHA/Astralux.sdss_i | 7644.73 | 7676.32 | 7610.54 | 6812.37 | 8523.97 | 1271.63 | 2534.79 | 1.31e-9 | CAHA | Astralux | Astralux SDSS i filter (full) |
| CAHA/Astralux.sdss_i_filter | 7685.32 | 7717.10 | 7650.65 | 6814.83 | 8541.31 | 1275.45 | 2519.65 | 1.29e-9 | CAHA | Astralux | Astralux SDSS i filter (filter only) |
| CAHA/Astralux.GG385_filter | 7151.83 | 8029.95 | 6382.86 | 3607.01 | 11000.00 | 4780.14 | 2418.64 | 1.78e-9 | CAHA | Astralux | Astralux GG385 Schott filter (fitler only) |
| CAHA/Astralux.RG9 | 8310.98 | 8409.56 | 8236.84 | 7023.05 | 10744.71 | 1894.06 | 2352.50 | 1.04e-9 | CAHA | Astralux | Astralux RG9 Schott filter (full) |
| CAHA/Astralux.RG9_noatm | 8319.40 | 8419.80 | 8244.22 | 7023.92 | 10742.86 | 1987.11 | 2352.80 | 1.04e-9 | CAHA | Astralux | Astralux RG9 Schott filter (no atm.) |
| CAHA/Astralux.I | 8649.27 | 8719.84 | 8604.11 | 7285.78 | 10273.24 | 1644.27 | 2285.44 | 9.26e-10 | CAHA | Astralux | Astralux Johnson I filter (full) |
| CAHA/Astralux.I_noatm | 8669.98 | 8741.04 | 8624.85 | 7281.97 | 10273.24 | 1707.55 | 2285.25 | 9.21e-10 | CAHA | Astralux | Astralux Johnson I filter (no atm.) |
| CAHA/Astralux.RG780 | 8700.56 | 8780.61 | 8662.72 | 7407.91 | 11000.00 | 1764.31 | 2269.30 | 9.07e-10 | CAHA | Astralux | Astralux RG780 Schott filter (full) |
| CAHA/Astralux.RG780_noatm | 8715.86 | 8796.30 | 8678.48 | 7407.71 | 11000.00 | 1814.97 | 2269.03 | 9.03e-10 | CAHA | Astralux | Astralux RG780 Schott filter (no atm.) |
| CAHA/Astralux.RG9_filter | 8869.84 | 9043.87 | 8737.11 | 7035.00 | 11850.00 | 3184.88 | 2238.17 | 8.79e-10 | CAHA | Astralux | Astralux RG9 Schott filter (filter only) |
| CAHA/Astralux.I_filter | 9004.04 | 9089.90 | 8947.47 | 7319.06 | 10273.24 | 2242.97 | 2241.34 | 8.39e-10 | CAHA | Astralux | Astralux Johnson I filter (fitler only) |
| CAHA/Astralux.RG830 | 9072.85 | 9130.31 | 9050.90 | 7865.49 | 11000.00 | 1369.42 | 2224.91 | 8.14e-10 | CAHA | Astralux | Astralux RG830 Schott filter (full) |
| CAHA/Astralux.sdss_z | 9098.06 | 9153.09 | 9069.47 | 8211.92 | 11000.00 | 1178.63 | 2221.38 | 8.1e-10 | CAHA | Astralux | AstraLux SDSS z filter (full) |
| CAHA/Astralux.RG830_noatm | 9096.37 | 9153.54 | 9077.19 | 7865.21 | 11291.10 | 1477.76 | 2225.10 | 8.1e-10 | CAHA | Astralux | Astralux RG830 Schott filter (no atm.) |
| CAHA/Astralux.sdss_z_noatm | 9111.83 | 9164.72 | 9084.57 | 8208.43 | 11000.00 | 1249.13 | 2224.59 | 8.08e-10 | CAHA | Astralux | Astralux SDSS z filter (no atm.) |
| CAHA/Astralux.sdss_z_filter | 9645.49 | 9735.82 | 9572.88 | 8213.96 | 11000.00 | 2300.79 | 2128.68 | 6.96e-10 | CAHA | Astralux | Astralux SDSS z filter (filter only) |
| CAHA/Astralux.RG1000_noatm | 9817.11 | 9860.86 | 9775.44 | 8500.00 | 11540.65 | 1362.30 | 2149.33 | 6.74e-10 | CAHA | Astralux | Astralux RG1000 Schott filter (no atm.) |
| CAHA/Astralux.RG1000 | 9827.02 | 9868.40 | 9787.62 | 8500.00 | 11200.00 | 1279.22 | 2147.51 | 6.72e-10 | CAHA | Astralux | Astralux RG1000 Schott filter (full) |
| CAHA/Astralux.RG780_filter | 11202.81 | 11802.74 | 10585.78 | 7416.00 | 15000.00 | 5461.81 | 1674.90 | 4.48e-10 | CAHA | Astralux | Astralux RG780 Schott filter (filter only) |
| CAHA/Astralux.RG830_filter | 11517.95 | 12021.90 | 10978.45 | 7908.33 | 15000.00 | 5157.23 | 1648.69 | 4.1e-10 | CAHA | Astralux | Astralux RG830 Schott filter (filter only) |
| CAHA/Astralux.RG1000_filter | 13377.43 | 13871.88 | 12714.04 | 8623.12 | 17000.00 | 5300.52 | 1351.51 | 2.51e-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<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://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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=3719.3766839468&id=CAHA/Astralux.U><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=3780.005947967&id=CAHA/Astralux.U><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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=3703.3289987448&id=CAHA/Astralux.U><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=3789.8603038607&id=CAHA/Astralux.U><p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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=490.72690133191,3727.4021390892,0.11376116728737&id=CAHA/Astralux.U><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://ssb.stsci.edu/cdbs_open/cdbs/current_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://ssb.stsci.edu/cdbs_open/cdbs/current_calspec/" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum</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}
