CAHA :Calar Alto observatory CAHA/LAICA :LAICA is the new Large Area Imager for Calar Alto. |
| CAHA/LAICA.SDSS_u | 3536.99 | 3553.62 | 3585.66 | 3033.00 | 3998.75 | 528.33 | 1563.92 | 3.65e-9 | CAHA | LAICA | LAICA SDSS u | | CAHA/LAICA.Johnson_U | 3668.54 | 3679.47 | 3730.71 | 3214.50 | 4113.00 | 472.31 | 1945.32 | 4.19e-9 | CAHA | LAICA | LAICA Johnson U | | CAHA/LAICA.Johnson_B | 4087.58 | 4153.63 | 4196.71 | 3209.93 | 5691.00 | 1285.03 | 3368.23 | 5.73e-9 | CAHA | LAICA | LAICA Johnson B | | CAHA/LAICA.Johnson_B2 | 4240.73 | 4328.61 | 4324.80 | 3224.33 | 5898.33 | 1443.58 | 3519.01 | 5.64e-9 | CAHA | LAICA | LAICA Johnson B2 | | CAHA/LAICA.SDSS_g | 4886.42 | 4926.35 | 4855.59 | 4152.67 | 5694.44 | 1128.70 | 3892.48 | 4.95e-9 | CAHA | LAICA | LAICA SDSS g | | CAHA/LAICA.Johnson_V | 5468.05 | 5517.03 | 5428.81 | 4615.80 | 7084.00 | 1144.11 | 3557.54 | 3.62e-9 | CAHA | LAICA | LAICA Johnson V | | CAHA/LAICA.SDSS_r | 6230.07 | 6269.87 | 6186.46 | 5419.30 | 7183.44 | 1361.56 | 3124.24 | 2.45e-9 | CAHA | LAICA | LAICA SDSS r | | CAHA/LAICA.Johnson_R | 6538.63 | 6607.58 | 6467.52 | 5515.33 | 7876.00 | 1843.38 | 2962.58 | 2.12e-9 | CAHA | LAICA | LAICA Johnson R | | CAHA/LAICA.Johnson_R | Filter Description | Filter ID (?) : | CAHA/LAICA.Johnson_R |
| Description (?) : | LAICA Johnson R |
| Phot.System (?) : | LAICA |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | R |
| Obs. Facility (?) : | CAHA |
| Instrument (?) : | LAICA |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
6538.63 | ------- | (Angstrom) |
| λmean (?) : |
6607.58 | ------- | (Angstrom) |
| λcen (?) : |
6585.93 | ------- | (Angstrom) |
| λeff (?) : |
6467.52 | ------- | (Angstrom) |
| λpeak (?) : |
6300.00 | ------- | (Angstrom) |
| λpivot (?) : |
6538.63 | ------- | (Angstrom) |
| λphot (?) : |
6513.02 | ------- | (Angstrom) |
| λmin (?) : |
5515.33 | ------- | (Angstrom) |
| λmax (?) : |
7876.00 | ------- | (Angstrom) |
| Weff (?) : |
1843.38 | ------- | (Angstrom) |
| FWHM (?) : |
1866.85 | ------- | (Angstrom) |
| Af/AV (?) : |
0.825 | ------- | () |
| Fsun (?) : |
155.26 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
CAHA: LAICA manual Transmission components: Filter | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.12332e-9 | (erg/cm2/s/A) |
| |
------- |
2962.58 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/LAICA.Johnson_R/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.60238e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/LAICA.Johnson_R/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
5066.19 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
CAHA/LAICA.Johnson_R/ST |
| |
|
Filter added: 2010-04-17 05:58:56
Last update: 2020-12-10 16:28:20 | | CAHA/LAICA.SDSS_i | 7703.45 | 7743.62 | 7659.37 | 6792.50 | 8788.75 | 1489.60 | 2508.48 | 1.28e-9 | CAHA | LAICA | LAICA SDSS i | | CAHA/LAICA.Johnson_I | 8837.01 | 8907.02 | 8795.43 | 7418.70 | 9990.00 | 2137.21 | 2278.01 | 8.83e-10 | CAHA | LAICA | LAICA Johnson I | | CAHA/LAICA.SDSS_z | 9092.68 | 9138.44 | 9075.25 | 7860.00 | 9990.00 | 1677.77 | 2253.35 | 8.2e-10 | CAHA | LAICA | LAICA SDSS z |
|
© SVO, 8999 filters available, Last update: 2021-01-15 | 
 ≡ 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=6607.5807921796&id=CAHA/LAICA.Johnson_R><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=6467.5209099936&id=CAHA/LAICA.Johnson_R><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=6538.6305129483&id=CAHA/LAICA.Johnson_R><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=6513.0175372134&id=CAHA/LAICA.Johnson_R><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=1843.3766579482,6585.9274193548,0.92&id=CAHA/LAICA.Johnson_R><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://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<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}
