|
| Gemini/Alopeke.u_sdss | 3532.8 | 3545.2 | 3147 | 3939 | 442.8 | 1399.2 | Gemini | Alopeke | Alopeke XSDSS u filter | | Gemini/Alopeke.EO_466 | 4670.5 | 4654.2 | 4436 | 4908 | 436.9 | 4060.5 | Gemini | Alopeke | Alopeke EO_466 filter | | Gemini/Alopeke.g_sdss | 4806.2 | 4704.1 | 3919 | 5638 | 1424.0 | 3927.9 | Gemini | Alopeke | Alopeke XSDSS g filter | | Gemini/Alopeke.g_sdss | Filter Description | Filter ID (?) : | Gemini/Alopeke.g_sdss |
| Description (?) : | Alopeke XSDSS g filter |
| Phot.System (?) : | ------ |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | Gemini |
| Instrument (?) : | Alopeke |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λmean (?) : |
4806.20 | ------- | (Angstrom) |
| λcen (?) : |
4792.98 | ------- | (Angstrom) |
| λeff (?) : |
4704.07 | ------- | (Angstrom) |
| λpeak (?) : |
4910.00 | ------- | (Angstrom) |
| λpivot (?) : |
4745.74 | ------- | (Angstrom) |
| λphot (?) : |
4743.77 | ------- | (Angstrom) |
| λmin (?) : |
3918.92 | ------- | (Angstrom) |
| λmax (?) : |
5638.08 | ------- | (Angstrom) |
| Weff (?) : |
1424.05 | ------- | (Angstrom) |
| FWHM (?) : |
1536.75 | ------- | (Angstrom) |
| Af/AV (?) : |
1.21 | ------- | () |
| Transmission curve
Data file: ascii, VOTable Reference for filter response:
Gemini Alopeke | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
5.321e-9 | (erg/cm2/s/A) |
| |
------- |
3927.86 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/Alopeke.g_sdss/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.919e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/Alopeke.g_sdss/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
2680.12 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/Alopeke.g_sdss/ST |
| |
|
Filter added: 2018-12-14 17:14:20
Last update: 2019-09-25 12:36:45 | | Gemini/Alopeke.EO_562 | 5623.0 | 5614.6 | 5384 | 5858 | 433.2 | 3522.9 | Gemini | Alopeke | Alopeke EO_562 filter | | Gemini/Alopeke.r_sdss | 6205.7 | 6115.8 | 5351 | 7012 | 1396.7 | 3158.2 | Gemini | Alopeke | Alopeke XSDSS r filter | | Gemini/Alopeke.EO_716 | 7159.9 | 7150.2 | 6872 | 7453 | 512.0 | 2741.0 | Gemini | Alopeke | Alopeke EO_716 filter | | Gemini/Alopeke.i_sdss | 7640.9 | 7565.4 | 6732 | 8436 | 1434.3 | 2548.4 | Gemini | Alopeke | Alopeke XSDSS i filter | | Gemini/Alopeke.EO_832 | 8320.2 | 8314.6 | 8099 | 8543 | 404.6 | 2307.0 | Gemini | Alopeke | Alopeke EO_832 filter | | Gemini/Alopeke.z_sdss | 9462.5 | 9342.8 | 8229 | 10747 | 2267.2 | 2188.1 | Gemini | Alopeke | Alopeke XSDSS z filter |
|
© SVO, 5137 filters available, Last update: 2019-12-14 | 
 ≡ 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=4806.2039740525&id=Gemini/Alopeke.g_sdss><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=4704.0735100833&id=Gemini/Alopeke.g_sdss><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=4745.7434874894&id=Gemini/Alopeke.g_sdss><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=4743.767667465&id=Gemini/Alopeke.g_sdss><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=1424.0469175332,4792.9824561404,0.873&id=Gemini/Alopeke.g_sdss><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}