|
| HST/ACS_SBC.F122M | 1284.6 | 1421.3 | 1150 | 1703 | 136.6 | 119.6 | HST | ACS | F122M filter for HST ACS_SBC | | HST/ACS_SBC.F122M | Filter Description | Filter ID (?) : | HST/ACS_SBC.F122M |
| Description (?) : | F122M filter for HST ACS_SBC |
| Phot.System (?) : | ------ |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | HST |
| Instrument (?) : | ACS |
| Comments (?) : | Response calculated using the stsynphot python package by STScI. In particular, function stsynphot.band("acs,sbc,f122m"). Please, take a look to stsynphot documentation and HST instrument documentation |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λmean (?) : |
1284.62 | ------- | (Angstrom) |
| λcen (?) : |
1226.60 | ------- | (Angstrom) |
| λeff (?) : |
1421.31 | ------- | (Angstrom) |
| λpeak (?) : |
1216.00 | ------- | (Angstrom) |
| λpivot (?) : |
1272.33 | ------- | (Angstrom) |
| λphot (?) : |
1432.72 | ------- | (Angstrom) |
| λmin (?) : |
1150.00 | ------- | (Angstrom) |
| λmax (?) : |
1703.13 | ------- | (Angstrom) |
| Weff (?) : |
136.62 | ------- | (Angstrom) |
| FWHM (?) : |
101.14 | ------- | (Angstrom) |
| Af/AV (?) : |
2.80 | ------- | () |
| Transmission curve
Data file: ascii, VOTable Reference for filter response:
stsynphot documentation | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.774e-9 | (erg/cm2/s/A) |
| |
------- |
119.55 | (Jy) |
| PhotCal ID (?) : |
HST/ACS_SBC.F122M/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
5.389e-8 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| PhotCal ID (?) : |
HST/ACS_SBC.F122M/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
244.67 | (Jy) |
| PhotCal ID (?) : |
HST/ACS_SBC.F122M/ST |
| |
|
Filter added: 2019-07-16 12:11:34
Last update: 2019-09-25 12:36:45 | | HST/ACS_SBC.F115LP | 1428.8 | 1501.7 | 1150 | 1974 | 396.1 | 339.0 | HST | ACS | F115LP filter for HST ACS_SBC | | HST/ACS_SBC.PR110L | 1451.1 | 1507.9 | 1160 | 1979 | 403.7 | 372.7 | HST | ACS | PR110L disperser for HST ACS_SBC | | HST/ACS_SBC.F125LP | 1456.4 | 1501.3 | 1217 | 1975 | 359.1 | 383.4 | HST | ACS | F125LP filter for HST ACS_SBC | | HST/ACS_SBC.PR130L | 1457.8 | 1503.1 | 1217 | 1975 | 353.4 | 384.6 | HST | ACS | PR130L filter for HST ACS_SBC | | HST/ACS_SBC.F140LP | 1537.6 | 1542.0 | 1307 | 1980 | 268.9 | 502.0 | HST | ACS | F140LP filter for HST ACS_SBC | | HST/ACS_SBC.F150LP | 1616.2 | 1612.1 | 1420 | 1986 | 211.3 | 574.2 | HST | ACS | F150LP filter for HST ACS_SBC | | HST/ACS_SBC.F165LP | 1762.5 | 1758.6 | 1500 | 1997 | 203.2 | 646.5 | HST | ACS | F165LP filter for HST ACS_SBC |
| Filter Plots
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© 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=1284.6170477554&id=HST/ACS_SBC.F122M><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=1421.3077567986&id=HST/ACS_SBC.F122M><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=1272.3287115697&id=HST/ACS_SBC.F122M><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=1432.7172741937&id=HST/ACS_SBC.F122M><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=136.61625828597,1226.6017622067,0.012262093284616414&id=HST/ACS_SBC.F122M><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}