|
| TD1/NARROW2.1455 | 1455.0 | 1456.7 | 1400 | 1510 | 110.0 | 455.8 | TD1 | TD1 | TD1 110A narrow filter centered at 1455A | | TD1/NARROW2.1565 | 1565.0 | 1565.3 | 1510 | 1620 | 110.0 | 558.6 | TD1 | TD1 | TD1 110A narrow filter centered at 1565A | | TD1/NARROW2.1675 | 1675.0 | 1674.0 | 1620 | 1730 | 110.0 | 608.2 | TD1 | TD1 | TD1 110A narrow filter centered at 1675A | | TD1/NARROW2.1855 | 1855.0 | 1854.4 | 1800 | 1910 | 110.0 | 690.2 | TD1 | TD1 | TD1 110A narrow filter centered at 1855A | | TD1/NARROW2.1855 | Filter Description | Filter ID (?) : | TD1/NARROW2.1855 |
| Description (?) : | TD1 110A narrow filter centered at 1855A |
| Phot.System (?) : | TD1 |
| Detector Type (?) : | Energy counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | TD1 |
| Instrument (?) : | TD1 |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λmean (?) : |
1855.00 | ------- | (Angstrom) |
| λcen (?) : |
1855.00 | ------- | (Angstrom) |
| λeff (?) : |
1854.37 | ------- | (Angstrom) |
| λpeak (?) : |
1800.00 | ------- | (Angstrom) |
| λpivot (?) : |
1854.18 | ------- | (Angstrom) |
| λphot (?) : |
1854.92 | ------- | (Angstrom) |
| λmin (?) : |
1800.00 | ------- | (Angstrom) |
| λmax (?) : |
1910.00 | ------- | (Angstrom) |
| Weff (?) : |
110.00 | ------- | (Angstrom) |
| FWHM (?) : |
110.00 | ------- | (Angstrom) |
| Af/AV (?) : |
2.57 | ------- | () |
| Transmission
Data file: ascii, VOTable Reference for filter response:
ADPS | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
6.017e-9 | (erg/cm2/s/A) |
| |
------- |
690.21 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
TD1/NARROW2.1855/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.166e-8 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
TD1/NARROW2.1855/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
416.49 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
TD1/NARROW2.1855/ST |
| |
Reference for calibration:
Carnochan, D.J. 1982, MNRAS 201, 1139 |
Filter added: 2014-07-09 22:49:32
Last update: 2018-03-21 17:34:01 | | TD1/NARROW2.1965 | 1965.0 | 1964.3 | 1910 | 2020 | 110.0 | 739.2 | TD1 | TD1 | TD1 110A narrow filter centered at 1965A | | TD1/NARROW2.2075 | 2075.0 | 2074.5 | 2020 | 2130 | 110.0 | 761.5 | TD1 | TD1 | TD1 110A narrow filter centered at 2075A | | TD1/NARROW2.2255 | 2255.0 | 2254.5 | 2200 | 2310 | 110.0 | 772.0 | TD1 | TD1 | TD1 110A narrow filter centered at 2255A | | TD1/NARROW2.2365 | 2365.0 | 2363.9 | 2310 | 2420 | 110.0 | 751.1 | TD1 | TD1 | TD1 110A narrow filter centered at 2365A | | TD1/NARROW2.2475 | 2475.0 | 2474.5 | 2420 | 2530 | 110.0 | 798.3 | TD1 | TD1 | TD1 110A narrow filter centered at 2475A |
|
© SVO, 5836 filters available, Last update: 2020-02-24 | 
 ≡ 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=1855&id=TD1/NARROW2.1855><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=1854.3736350988&id=TD1/NARROW2.1855><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=1854.1843218552&id=TD1/NARROW2.1855><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=1854.9241318521&id=TD1/NARROW2.1855><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=110.00000000005,1855,1&id=TD1/NARROW2.1855><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}