Gemini :Gemini Observatory Gemini/Flamingos2 :Filters used in Flamingos-2, a near-infrared imaging spectrograph at Gemini-South, offering observations in the 1.0-2.4 μm wavelength range in a 6.1 arcmin circular field of view. |
| Gemini/Flamingos2.Y | 10197.50 | 10210.28 | 10182.95 | 9551.06 | 10824.77 | 858.42 | 2091.47 | 6.05e-10 | Gemini | Flamingos2 | Flamingos2 Y | | Gemini/Flamingos2.Jlow | 11208.71 | 11233.07 | 11178.76 | 10241.07 | 12053.18 | 1285.89 | 1826.37 | 4.38e-10 | Gemini | Flamingos2 | Flamingos2 Jlow | | Gemini/Flamingos2.J | 12542.19 | 12568.30 | 12504.47 | 11569.66 | 13508.67 | 1446.93 | 1546.01 | 2.96e-10 | Gemini | Flamingos2 | Flamingos2 J | | Gemini/Flamingos2.JH | 13668.71 | 14333.85 | 12765.83 | 8864.95 | 18256.69 | 6316.28 | 1291.52 | 2.38e-10 | Gemini | Flamingos2 | Flamingos2 JH | | Gemini/Flamingos2.H | 16283.50 | 16348.41 | 16199.87 | 14659.17 | 18061.06 | 2751.63 | 1040.71 | 1.19e-10 | Gemini | Flamingos2 | Flamingos2 H | | Gemini/Flamingos2.HK | 18367.19 | 19377.82 | 17010.23 | 12440.78 | 25425.44 | 9892.56 | 818.71 | 8.48e-11 | Gemini | Flamingos2 | Flamingos2 HK | | Gemini/Flamingos2.K-blue_filter | 20541.04 | 20579.12 | 20485.28 | 18940.12 | 22185.77 | 2360.93 | 723.45 | 5.17e-11 | Gemini | Flamingos2 | Flamingos2 K-blue filter | | Gemini/Flamingos2.K-blue | 20544.58 | 20582.76 | 20488.62 | 18940.45 | 22187.46 | 2351.78 | 723.19 | 5.16e-11 | Gemini | Flamingos2 | Flamingos2 K-blue | | Gemini/Flamingos2.Ks | 21552.18 | 21616.26 | 21454.89 | 19639.76 | 23535.80 | 3037.01 | 668.11 | 4.35e-11 | Gemini | Flamingos2 | Flamingos2 Ks | | Gemini/Flamingos2.Ks | Filter Description | Filter ID (?) : | Gemini/Flamingos2.Ks |
| Description (?) : | Flamingos2 Ks |
| Phot.System (?) : | Flamingos2 |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | Ks |
| Obs. Facility (?) : | Gemini |
| Instrument (?) : | Flamingos2 |
| Comments (?) : | The throughput data include the entrance window, filter, nine lenses, and two flat mirrors, i.e. all transmissive elements. Excluded are the detector, grisms, telescope and atmosphere. |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
21552.18 | ------- | (Angstrom) |
| λmean (?) : |
21616.26 | ------- | (Angstrom) |
| λcen (?) : |
21557.06 | ------- | (Angstrom) |
| λeff (?) : |
21454.89 | ------- | (Angstrom) |
| λpeak (?) : |
22486.00 | ------- | (Angstrom) |
| λpivot (?) : |
21552.18 | ------- | (Angstrom) |
| λphot (?) : |
21497.84 | ------- | (Angstrom) |
| λmin (?) : |
19639.76 | ------- | (Angstrom) |
| λmax (?) : |
23535.80 | ------- | (Angstrom) |
| Weff (?) : |
3037.01 | ------- | (Angstrom) |
| FWHM (?) : |
3292.28 | ------- | (Angstrom) |
| Af/AV (?) : |
0.126 | ------- | () |
| Fsun (?) : |
------- | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
Gemini: Flamingos2 | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
4.35126e-11 | (erg/cm2/s/A) |
| |
------- |
668.11 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/Flamingos2.Ks/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.3648e-10 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/Flamingos2.Ks/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
55751.73 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
Gemini/Flamingos2.Ks/ST |
| |
|
Filter added: 2011-10-18 04:36:28
Last update: 2020-08-30 19:07:49 | | Gemini/Flamingos2.K-long_filter | 21862.64 | 22060.41 | 21573.39 | 18654.65 | 25300.70 | 5220.37 | 647.73 | 4.17e-11 | Gemini | Flamingos2 | Flamingos2 K-long filter | | Gemini/Flamingos2.K-long | 21899.53 | 22097.52 | 21608.87 | 18657.86 | 25301.73 | 5035.58 | 645.85 | 4.15e-11 | Gemini | Flamingos2 | Flamingos2 K-long | | Gemini/Flamingos2.K-red_filter | 23121.96 | 23162.33 | 23062.96 | 21375.05 | 24915.49 | 2579.80 | 593.41 | 3.34e-11 | Gemini | Flamingos2 | Flamingos2 K-red filter | | Gemini/Flamingos2.K-red | 23129.89 | 23170.25 | 23070.82 | 21380.27 | 24917.19 | 2533.40 | 593.07 | 3.34e-11 | Gemini | Flamingos2 | Flamingos2 K-red |
|
© SVO, 8400 filters available, Last update: 2020-09-01 | 
 ≡ 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}
 ≡ 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>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<br> Vg(λ) ≡ Vega spectrum<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=21616.256621686&id=Gemini/Flamingos2.Ks><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=21454.894737124&id=Gemini/Flamingos2.Ks><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=21552.18108921&id=Gemini/Flamingos2.Ks><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=21497.839580159&id=Gemini/Flamingos2.Ks><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=3037.0090011494,21557.061538462,0.7576&id=Gemini/Flamingos2.Ks><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>Sun spectrum from calspec database: sun_reference_stis_002 with sun_mod_001 for larger wavelengths.<p><img src=images/sunspec.png><p><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>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}
