WIYN :WIYN 3.5m Observatory WIYN/S2KB :S2KB is a 2k x 2k CCD imager providing a 20.5 arcmin square field of view. id:WIYN/S2KB.a |
| WIYN/S2KB.uStrom | 3471.34 | 3477.10 | 3475.90 | 3000.00 | 3923.40 | 335.50 | 1299.65 | 3.23e-9 | WIYN | S2KB | S2KB uStrom filter | | WIYN/S2KB.UHarrisSld | 3634.50 | 3649.71 | 3703.76 | 3087.48 | 4205.14 | 536.15 | 1841.81 | 4.18e-9 | WIYN | S2KB | S2KB UHarrisSld filter | | WIYN/S2KB.UHarris | 3654.20 | 3667.93 | 3721.46 | 3201.20 | 4192.40 | 506.59 | 1892.43 | 4.25e-9 | WIYN | S2KB | S2KB UHarris filter | | WIYN/S2KB.Ca | 3974.84 | 3975.24 | 3976.06 | 3840.00 | 4126.67 | 93.43 | 3920.31 | 7.44e-9 | WIYN | S2KB | S2KB Ca filter | | WIYN/S2KB.vStrom | 4117.61 | 4118.45 | 4119.27 | 3940.52 | 4320.00 | 137.42 | 4124.69 | 7.29e-9 | WIYN | S2KB | S2KB vStrom filter | | WIYN/S2KB.BHarris | 4292.92 | 4344.36 | 4323.30 | 3100.20 | 5764.40 | 1052.88 | 3818.58 | 6.21e-9 | WIYN | S2KB | S2KB BHarris filter | | WIYN/S2KB.bStrom | 4718.17 | 4719.71 | 4715.43 | 4450.00 | 5050.00 | 214.15 | 4153.06 | 5.59e-9 | WIYN | S2KB | S2KB bStrom filter | | WIYN/S2KB.Hbnarrow | 4863.72 | 4863.75 | 4864.08 | 4822.67 | 4907.53 | 30.36 | 2578.16 | 3.27e-9 | WIYN | S2KB | S2KB Hbnarrow filter | | WIYN/S2KB.Hbwide | 4874.94 | 4875.58 | 4875.88 | 4688.36 | 5096.89 | 141.05 | 3556.44 | 4.49e-9 | WIYN | S2KB | S2KB Hbwide filter | | WIYN/S2KB.VHarris | 5436.11 | 5467.64 | 5407.40 | 4740.13 | 6783.19 | 970.82 | 3648.96 | 3.7e-9 | WIYN | S2KB | S2KB VHarris filter | | WIYN/S2KB.yStrom | 5512.64 | 5514.28 | 5511.06 | 5200.00 | 5800.00 | 232.75 | 3595.68 | 3.55e-9 | WIYN | S2KB | S2KB yStrom filter | | WIYN/S2KB.Ha | 6577.53 | 6577.61 | 6579.08 | 6515.01 | 6638.32 | 58.99 | 2495.88 | 1.73e-9 | WIYN | S2KB | S2KB Ha filter | | WIYN/S2KB.Ha_4nm_2 | 6615.38 | 6615.46 | 6615.92 | 6551.96 | 6678.69 | 61.14 | 2864.73 | 1.96e-9 | WIYN | S2KB | S2KB Ha_4nm_2 filter | | WIYN/S2KB.Ha_4nm_2 | Filter Description | Filter ID (?) : | WIYN/S2KB.Ha_4nm_2 |
| Description (?) : | S2KB Ha_4nm_2 filter |
| Phot.System (?) : | S2KB |
| Detector Type (?) : | Photon counter |
| Band Name (?) : | ------ |
| Obs. Facility (?) : | WIYN |
| Instrument (?) : | S2KB |
| Comments (?) : | ------ |
| | Mathematical properties | Property | Calculated | Specified | Unit | | λref (?) : |
6615.38 | ------- | (Angstrom) |
| λmean (?) : |
6615.46 | ------- | (Angstrom) |
| λcen (?) : |
6615.49 | ------- | (Angstrom) |
| λeff (?) : |
6615.92 | ------- | (Angstrom) |
| λpeak (?) : |
6620.00 | ------- | (Angstrom) |
| λpivot (?) : |
6615.38 | ------- | (Angstrom) |
| λphot (?) : |
6615.97 | ------- | (Angstrom) |
| λmin (?) : |
6551.96 | ------- | (Angstrom) |
| λmax (?) : |
6678.69 | ------- | (Angstrom) |
| Weff (?) : |
61.14 | ------- | (Angstrom) |
| FWHM (?) : |
60.80 | ------- | (Angstrom) |
| Af/AV (?) : |
0.798 | ------- | () |
| Fsun (?) : |
155.65 | ------- | (erg/cm2/s/A) |
| Transmission
Data file: ascii, VOTable Reference for filter response:
NoirLab Filters page Transmission components: Filterid:WIYN/S2KB.Ha_4nm_2 | | Calibration properties
Vega System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
1.96244e-9 | (erg/cm2/s/A) |
| |
------- |
2864.73 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
WIYN/S2KB.Ha_4nm_2/Vega |
| |
AB System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
2.48735e-9 | (erg/cm2/s/A) |
| |
------- |
3631.00 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
WIYN/S2KB.Ha_4nm_2/AB |
| |
ST System | Property | Specified | Calculated | Unit | | Zero Point (?) : |
------- |
3.631e-9 | (erg/cm2/s/A) |
| |
------- |
5300.48 | (Jy) |
| ZP Type (?) : |
Pogson |
| PhotCal ID (?) : |
WIYN/S2KB.Ha_4nm_2/ST |
| |
|
Filter added: 2023-06-06 15:09:08
Last update: 2023-06-06 15:09:08 | | WIYN/S2KB.Ha_4nm | 6618.44 | 6618.52 | 6618.82 | 6550.00 | 6692.80 | 60.46 | 2881.72 | 1.97e-9 | WIYN | S2KB | S2KB Ha_4nm filter | | WIYN/S2KB.Ha_8nm | 6659.93 | 6660.01 | 6659.89 | 6592.00 | 6734.80 | 59.78 | 2930.91 | 1.98e-9 | WIYN | S2KB | S2KB Ha_8nm filter | | WIYN/S2KB.RHarris | 6572.54 | 6683.65 | 6467.65 | 5413.02 | 10600.00 | 1739.78 | 3015.06 | 2.09e-9 | WIYN | S2KB | S2KB RHarris filter | | WIYN/S2KB.Ha_12nm | 6697.80 | 6697.89 | 6697.74 | 6633.33 | 6760.00 | 62.25 | 2922.69 | 1.95e-9 | WIYN | S2KB | S2KB Ha_12nm filter | | WIYN/S2KB.Ha_12nm_2 | 6701.66 | 6701.74 | 6701.60 | 6631.20 | 6775.40 | 61.56 | 2922.02 | 1.95e-9 | WIYN | S2KB | S2KB Ha_12nm_2 filter | | WIYN/S2KB.Ha_16nm | 6742.08 | 6742.16 | 6741.99 | 6671.80 | 6814.60 | 59.41 | 2907.27 | 1.92e-9 | WIYN | S2KB | S2KB Ha_16nm filter | | WIYN/S2KB.IHarris | 8314.13 | 8382.70 | 8259.66 | 7015.06 | 10500.00 | 2001.13 | 2367.05 | 1.03e-9 | WIYN | S2KB | S2KB IHarris filter |
|
| 
 ≡ 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=6615.4634356487&id=WIYN/S2KB.Ha_4nm_2><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=6615.9189817467&id=WIYN/S2KB.Ha_4nm_2><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=6615.380423256&id=WIYN/S2KB.Ha_4nm_2><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=6615.9730184997&id=WIYN/S2KB.Ha_4nm_2><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=61.138732948003,6615.4873355535,1&id=WIYN/S2KB.Ha_4nm_2><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}
