HST :The Hubble Space Telescope (HST) is a cooperative program of the European Space Agency (ESA) and the National Aeronautics and Space Administration (NASA) to operate a space-based observatory for the benefit of the international astronomical community. HST/NICMOS2 :The Near Infrared Camera and Multi-Object Spectrometer, Camera 2id:HST/NICMOS2.a |
| HST/NICMOS2.F110W | 11234.92 | 11575.02 | 10834.62 | 7868.98 | 14336.38 | 3626.37 | 1830.90 | 4.35e-10 | HST | NICMOS | F110W filter for HST NICMOS detector 2 | | HST/NICMOS2.F160W | 16030.37 | 16158.53 | 15858.15 | 13617.25 | 18424.17 | 3097.00 | 1063.97 | 1.24e-10 | HST | NICMOS | F160W filter for HST NICMOS detector 2 | | HST/NICMOS2.F165M | 16508.59 | 16540.29 | 16467.75 | 15282.01 | 17802.95 | 1702.34 | 1001.70 | 1.1e-10 | HST | NICMOS | F165M filter for HST NICMOS detector 2 | | HST/NICMOS2.F171M | 17210.08 | 17215.34 | 17202.00 | 16487.78 | 18054.75 | 736.76 | 944.82 | 9.56e-11 | HST | NICMOS | F171M filter for HST NICMOS detector 2 | | HST/NICMOS2.F180M | 17969.91 | 17974.69 | 17959.19 | 17243.94 | 18777.59 | 712.22 | 883.56 | 8.2e-11 | HST | NICMOS | F180M filter for HST NICMOS detector 2 | | HST/NICMOS2.F187N | 18741.86 | 18742.27 | 18740.44 | 18564.94 | 18912.69 | 195.07 | 786.64 | 6.71e-11 | HST | NICMOS | F187N filter for HST NICMOS detector 2 | | HST/NICMOS2.F187W | 18712.36 | 18756.26 | 18648.23 | 17181.55 | 22697.48 | 2194.24 | 828.99 | 7.1e-11 | HST | NICMOS | F187W filter for HST NICMOS detector 2 | | HST/NICMOS2.F187W | Filter Description | Filter ID (?) : | HST/NICMOS2.F187W |
| Description (?) : | F187W filter for HST NICMOS detector 2 |
| Phot.System (?) : | NICMOS2 |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | HST |
| Instrument (?) : | NICMOS |
| Comments (?) : | Response calculated using the stsynphot python package by STScI. In particular, function stsynphot.band("nicmos,2,f187w"). Please, take a look to stsynphot documentation and HST instrument documentation |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
18712.36 | ------- | (Angstrom) |
| λmean (?) : |
18756.26 | ------- | (Angstrom) |
| λcen (?) : |
18735.81 | ------- | (Angstrom) |
| λeff (?) : |
18648.23 | ------- | (Angstrom) |
| λpeak (?) : |
18930.00 | ------- | (Angstrom) |
| λpivot (?) : |
18712.36 | ------- | (Angstrom) |
| λphot (?) : |
18677.02 | ------- | (Angstrom) |
| λmin (?) : |
17181.55 | ------- | (Angstrom) |
| λmax (?) : |
22697.48 | ------- | (Angstrom) |
| Weff (?) : |
2194.24 | ------- | (Angstrom) |
| FWHM (?) : |
2453.30 | ------- | (Angstrom) |
| Af/AV (?) : |
0.157 | ------- | () |
| Fsun (?) : |
14.61 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
stsynphot documentation Transmission components: Filter + CCD + Instrumentid:HST/NICMOS2.F187W | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
7.09761e-11 | (erg/cm2/s/A) |
| |
------- |
828.99 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
HST/NICMOS2.F187W/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.10878e-10 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
HST/NICMOS2.F187W/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
42409.45 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
HST/NICMOS2.F187W/ST |
| |
|
Filter added: 2019-07-16 12:14:32
Last update: 2022-03-01 15:19:58 | | HST/NICMOS2.F190N | 19004.28 | 19004.60 | 19003.90 | 18821.42 | 19202.75 | 184.17 | 816.44 | 6.78e-11 | HST | NICMOS | F190N filter for HST NICMOS detector 2 | | HST/NICMOS2.POL120L | 19997.83 | 20027.73 | 19957.37 | 18547.47 | 21523.04 | 1686.12 | 745.66 | 5.59e-11 | HST | NICMOS | POL120L filter for HST NICMOS detector 2 | | HST/NICMOS2.POL0L | 19997.83 | 20027.73 | 19957.37 | 18547.47 | 21523.04 | 1686.13 | 745.66 | 5.59e-11 | HST | NICMOS | POL0L filter for HST NICMOS detector 2 | | HST/NICMOS2.POL240L | 19997.83 | 20027.73 | 19957.37 | 18547.47 | 21523.04 | 1686.12 | 745.66 | 5.59e-11 | HST | NICMOS | POL240L filter for HST NICMOS detector 2 | | HST/NICMOS2.F204M | 20352.84 | 20361.34 | 20340.22 | 19464.19 | 21638.26 | 973.38 | 726.99 | 5.26e-11 | HST | NICMOS | F204M filter for HST NICMOS detector 2 | | HST/NICMOS2.F207M | 20819.30 | 20834.14 | 20794.98 | 19791.27 | 21868.67 | 1437.60 | 697.47 | 4.82e-11 | HST | NICMOS | F207M filter for HST NICMOS detector 2 | | HST/NICMOS2.F205W | 20636.08 | 20874.48 | 20282.79 | 16744.42 | 24342.32 | 4231.04 | 718.89 | 5.06e-11 | HST | NICMOS | F205W filter for HST NICMOS detector 2 | | HST/NICMOS2.F212N | 21218.02 | 21219.03 | 21216.47 | 20981.90 | 22394.51 | 215.26 | 674.46 | 4.49e-11 | HST | NICMOS | F212N filter for HST NICMOS detector 2 | | HST/NICMOS2.F215N | 21483.43 | 21483.99 | 21481.96 | 21285.82 | 21680.80 | 204.16 | 654.97 | 4.25e-11 | HST | NICMOS | F215N filter for HST NICMOS detector 2 | | HST/NICMOS2.F216N | 21636.46 | 21637.05 | 21634.33 | 21438.83 | 21864.71 | 213.91 | 616.31 | 3.95e-11 | HST | NICMOS | F216N filter for HST NICMOS detector 2 | | HST/NICMOS2.F222M | 22175.27 | 22193.03 | 22153.08 | 20498.00 | 23990.72 | 1500.72 | 620.08 | 3.78e-11 | HST | NICMOS | F222M filter for HST NICMOS detector 2 | | HST/NICMOS2.F237M | 23688.07 | 23702.05 | 23667.05 | 22263.89 | 25029.38 | 1417.26 | 557.42 | 2.98e-11 | HST | NICMOS | F237M filter for HST NICMOS detector 2 |
|
| 
 ≡ filter transmission<p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:em.wl</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://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</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.bandwidth.extent.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>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>UCD</b>:meta.code<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=18756.260878164&id=HST/NICMOS2.F187W><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=leff&val=18648.232713061&id=HST/NICMOS2.F187W><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</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=18712.359917723&id=HST/NICMOS2.F187W><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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=18677.024522821&id=HST/NICMOS2.F187W><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<p><u>More info:</u><p>Vega spectrum from calspec database.<ul><li><a href="https://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</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=2194.2398832784,18735.811718282,1&id=HST/NICMOS2.F187W><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<p><u>Property info:</u><ul><li><b>Unit</b>:Angstrom<li><b>UCD</b>:instr.bandwidth<li><b>Utype</b>: <i>photdm:PhotometryFilter.bandwidth.extent.value</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/extlaw.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/sun.png"><p><p>Filter transmission is transformed to "<i>energy counter</i>" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/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>Filter transmission is transformed to \"<i>energy counter</i>\" for these calculations, that is, the photon count transmission is multiplied by λ and normalized so that peak transmission is equal to 1.<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://ui.adsabs.harvard.edu/abs/2014PASP..126..711B/abstract" target="_blank">Bohlin, Gordon, & Tremblay (2014)</a>.<li><a href="https://www.stsci.edu/hst/instrumentation/reference-data-for-calibration-and-tools/astronomical-catalogs/calspec" target="_blank">STScI current calspec</a>.<li><a href="morefiles/vega.dat" target="_blank">Vega spectrum file</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}
