Gemini :Gemini Observatory Gemini/GMOS-N :Filters used in the Gemini Multi-Object Spectrograph (GMOS) in Gemini North |
| Gemini/GMOS-N.u | 3575.57 | 3593.63 | 3643.97 | 3063.40 | 4109.93 | 611.32 | 1727.41 | 3.9e-9 | Gemini | GMOS-N | GMOS-N u, G0308 | | Gemini/GMOS-N.HeII | 4684.25 | 4684.50 | 4684.00 | 4585.44 | 4774.56 | 75.59 | 4217.23 | 5.76e-9 | Gemini | GMOS-N | GMOS-N HeII, G0320 | | Gemini/GMOS-N.HeII | Filter Description | Filter ID (?) : | Gemini/GMOS-N.HeII |
| Description (?) : | GMOS-N HeII, G0320 |
| Phot.System (?) : | GMOS-N |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | Gemini |
| Instrument (?) : | GMOS-N |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
4684.25 | ------- | (Angstrom) |
| λmean (?) : |
4684.50 | ------- | (Angstrom) |
| λcen (?) : |
4684.85 | ------- | (Angstrom) |
| λeff (?) : |
4684.00 | ------- | (Angstrom) |
| λpeak (?) : |
4686.00 | ------- | (Angstrom) |
| λpivot (?) : |
4684.25 | ------- | (Angstrom) |
| λphot (?) : |
4684.16 | ------- | (Angstrom) |
| λmin (?) : |
4585.44 | ------- | (Angstrom) |
| λmax (?) : |
4774.56 | ------- | (Angstrom) |
| Weff (?) : |
75.59 | ------- | (Angstrom) |
| FWHM (?) : |
72.09 | ------- | (Angstrom) |
| Af/AV (?) : |
1.22 | ------- | () |
| Fsun (?) : |
199.04 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
Gemini: GMOS Transmission components: Filter | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
5.76254e-9 | (erg/cm2/s/A) |
| |
------- |
4217.23 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/GMOS-N.HeII/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.9615e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/GMOS-N.HeII/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
2657.29 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/GMOS-N.HeII/ST |
| |
|
Filter added: 2011-10-18 04:39:20
Last update: 2020-12-10 16:29:12 | | Gemini/GMOS-N.g | 4687.80 | 4750.56 | 4647.53 | 3900.00 | 5600.00 | 1437.75 | 3942.72 | 5.47e-9 | Gemini | GMOS-N | GMOS-N g, G0301 | | Gemini/GMOS-N.HeIIC | 4780.24 | 4780.50 | 4779.36 | 4680.15 | 4873.43 | 80.91 | 4065.20 | 5.34e-9 | Gemini | GMOS-N | GMOS-N HeIIC, G0321 | | Gemini/GMOS-N.OIII | 4995.70 | 4996.29 | 4995.38 | 4898.70 | 5094.30 | 55.26 | 3954.08 | 4.75e-9 | Gemini | GMOS-N | GMOS-N OIII, G0318 | | Gemini/GMOS-N.OIIIC | 5143.27 | 5143.78 | 5142.94 | 5046.63 | 5240.37 | 82.18 | 3838.13 | 4.35e-9 | Gemini | GMOS-N | GMOS-N OIIIC, G0319 | | Gemini/GMOS-N.r | 6266.57 | 6304.58 | 6224.52 | 5500.00 | 7200.00 | 1319.29 | 3104.99 | 2.4e-9 | Gemini | GMOS-N | GMOS-N r, G0303 | | Gemini/GMOS-N.Ha | 6576.95 | 6577.08 | 6578.52 | 6507.98 | 6646.27 | 73.21 | 2534.93 | 1.76e-9 | Gemini | GMOS-N | GMOS-N Ha, G0310 | | Gemini/GMOS-N.HaC | 6631.89 | 6632.02 | 6632.25 | 6561.48 | 6702.57 | 69.37 | 2923.35 | 1.99e-9 | Gemini | GMOS-N | GMOS-N HaC, G0311 | | Gemini/GMOS-N.SII | 6719.86 | 6720.09 | 6719.80 | 6611.58 | 6824.42 | 59.57 | 2929.70 | 1.95e-9 | Gemini | GMOS-N | GMOS-N SII, G0317 | | Gemini/GMOS-N.OVIC | 6790.15 | 6790.23 | 6790.07 | 6732.23 | 6847.73 | 53.41 | 2903.74 | 1.89e-9 | Gemini | GMOS-N | GMOS-N OVIC, G0346 | | Gemini/GMOS-N.OVI | 6838.10 | 6838.18 | 6838.01 | 6780.55 | 6897.60 | 54.44 | 2882.05 | 1.85e-9 | Gemini | GMOS-N | GMOS-N OVI, G0345 | | Gemini/GMOS-N.ri | 6901.85 | 7054.72 | 6745.24 | 5426.48 | 8592.91 | 2897.40 | 2765.46 | 1.82e-9 | Gemini | GMOS-N | GMOS-N r+i, G0349 | | Gemini/GMOS-N.i | 7751.65 | 7785.86 | 7713.83 | 6859.50 | 8602.50 | 1410.95 | 2493.38 | 1.26e-9 | Gemini | GMOS-N | GMOS-N i, G0302 | | Gemini/GMOS-N.CaT | 8527.45 | 8567.29 | 8500.97 | 7367.74 | 9694.20 | 1480.78 | 2308.54 | 9.58e-10 | Gemini | GMOS-N | GMOS-N CaT, G0309 | | Gemini/GMOS-N.Zc | 8804.45 | 8817.88 | 8801.53 | 8128.54 | 9457.38 | 926.86 | 2261.27 | 8.75e-10 | Gemini | GMOS-N | GMOS-N Z, G0322 | | Gemini/GMOS-N.DS920 | 9218.58 | 9219.23 | 9216.99 | 9033.68 | 9399.66 | 190.02 | 2261.69 | 7.98e-10 | Gemini | GMOS-N | GMOS-N DS920, G0312 | | Gemini/GMOS-N.z | 9638.78 | 9722.75 | 9571.59 | 8248.00 | 11000.00 | 2517.23 | 2135.39 | 6.99e-10 | Gemini | GMOS-N | GMOS-N z, G0304 | | Gemini/GMOS-N.Y | 10354.07 | 10367.78 | 10339.06 | 9647.62 | 11126.15 | 999.64 | 2040.82 | 5.72e-10 | Gemini | GMOS-N | GMOS-N Y, G0323 |
|
© SVO, 9609 filters available, Last update: 2021-02-23 | 
 ≡ 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=4684.49521675&id=Gemini/GMOS-N.HeII><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=4683.99978533&id=Gemini/GMOS-N.HeII><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=4684.2486924356&id=Gemini/GMOS-N.HeII><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=4684.16434403&id=Gemini/GMOS-N.HeII><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=75.5855277005,4684.85294118,0.748&id=Gemini/GMOS-N.HeII><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}
