|
| LaSilla/GROND.g | 4586.8 | 4504.5 | 3726 | 5459 | 1373.0 | 3959.3 | La Silla | GROND | GROND g' filter | | LaSilla/GROND.r | 6220.1 | 6098.0 | 5084 | 7172 | 1559.9 | 3152.7 | La Silla | GROND | GROND r' filter | | LaSilla/GROND.i | 7640.7 | 7604.7 | 7010 | 8319 | 942.5 | 2547.8 | La Silla | GROND | GROND i' filter | | LaSilla/GROND.z | 8989.6 | 8929.3 | 8087 | 10647 | 1278.3 | 2248.8 | La Silla | GROND | GROND r' filter | | LaSilla/GROND.J | 12399.2 | 12246.5 | 10707 | 14145 | 2292.7 | 1583.3 | La Silla | GROND | GROND J filter | | LaSilla/GROND.H | 16468.8 | 16330.2 | 14792 | 18574 | 2637.0 | 1028.9 | La Silla | GROND | GROND H filter | | LaSilla/GROND.K | 21705.5 | 21550.4 | 19582 | 24537 | 3027.5 | 663.0 | La Silla | GROND | GROND K filter | | LaSilla/GROND.K | Filter Description | Filter ID (?) : | LaSilla/GROND.K |
| Description (?) : | GROND K filter |
| Phot.System (?) : | GROND |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | K |
| Obs. Facility (?) : | La Silla |
| Instrument (?) : | GROND |
| Comments (?) : | filter + instrument |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λmean (?) : |
21705.48 | ------- | (Angstrom) |
| λcen (?) : |
21660.28 | ------- | (Angstrom) |
| λeff (?) : |
21550.42 | ------- | (Angstrom) |
| λpeak (?) : |
21630.00 | ------- | (Angstrom) |
| λpivot (?) : |
21643.31 | ------- | (Angstrom) |
| λphot (?) : |
21591.45 | ------- | (Angstrom) |
| λmin (?) : |
19582.13 | ------- | (Angstrom) |
| λmax (?) : |
24537.20 | ------- | (Angstrom) |
| Weff (?) : |
3027.45 | ------- | (Angstrom) |
| FWHM (?) : |
3031.62 | ------- | (Angstrom) |
| Af/AV (?) : |
0.13 | ------- | () |
| Transmission
Data file: ascii, VOTable Reference for filter response:
GROND | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.280e-11 | (erg/cm2/s/A) |
| |
------- |
663.03 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
LaSilla/GROND.K/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.344e-10 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
LaSilla/GROND.K/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
56249.30 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
LaSilla/GROND.K/ST |
| |
|
Filter added: 2016-12-21 14:52:22
Last update: 2018-03-21 17:34:01 |
| Filter Plots
 |
|
© SVO, 5836 filters available, Last update: 2020-02-24 | 
 ≡ 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>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}
</b><br><table cellpadding=20><td class=helptd>Zero Point in Vega System.<p>Calculated by the service as:<p><img src=images/latex/zp.png> <p>where:<p> T(λ) ≡ 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>eff</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<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=21705.48017772&id=LaSilla/GROND.K><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=21550.422141514&id=LaSilla/GROND.K><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=21643.31477959&id=LaSilla/GROND.K><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=21591.44533097&id=LaSilla/GROND.K><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=3027.4537501945,21660.281749369,0.6128&id=LaSilla/GROND.K><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>eff</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> Vg(λ) ≡ Vega spectrum<p>F<sub>0,ν</sub>(Jy) = (2.9979246)<sup>-1</sup> 10<sup>5</sup> * λ<sub>eff</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>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}