<?xml version="1.0"?>
<VOTABLE version="1.1" xsi:schemaLocation="http://www.ivoa.net/xml/VOTable/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <INFO name="QUERY_STATUS" value="OK"/>
  <RESOURCE type="results">
    <TABLE utype="photdm:PhotometryFilter.transmissionCurve.spectrum">
    <PARAM name="FilterProfileService" value="ivo://svo/fps" ucd="meta.ref.ivorn" utype="PhotometryFilter.fpsIdentifier" datatype="char" arraysize="*"/>
    <PARAM name="filterID" value="Liverpool/IOO.Halpha-6634_filter" ucd="meta.ref.ivoid" utype="photdm:PhotometryFilter.identifier" datatype="char" arraysize="*"/>
    <PARAM name="WavelengthUnit" value="Angstrom" ucd="meta.unit" utype="PhotometryFilter.SpectralAxis.unit" datatype="char" arraysize="*"/>
    <PARAM name="WavelengthUCD" value="em.wl" ucd="meta.ucd" utype="PhotometryFilter.SpectralAxis.UCD" datatype="char" arraysize="*"/>
    <PARAM name="Description" value="IOO Halpha (filter only) (redshifted to 663.4 nm)" ucd="meta.note" utype="photdm:PhotometryFilter.description" datatype="char" arraysize="*"/>
    <PARAM name="DetectorType" value="1" ucd="meta.code" utype="photdm:PhotometricSystem.detectorType" datatype="char" arraysize="*">
       <DESCRIPTION>Detector type. 0:Energy counter, 1:Photon counter.</DESCRIPTION>
    </PARAM>
    <PARAM name="Instrument" value="IO:O" ucd="instr" datatype="char" arraysize="*">
       <DESCRIPTION>Instrument</DESCRIPTION>
    </PARAM>
    <PARAM name="Facility" value="LT" ucd="instr.obsty" datatype="char" arraysize="*">
       <DESCRIPTION>Observational facility</DESCRIPTION>
    </PARAM>
    <PARAM name="ProfileReference" value="http://telescope.livjm.ac.uk/TelInst/Inst/IOO/" datatype="char" arraysize="*"/>
    <PARAM name="Description" value="IOO Halpha (filter only) (redshifted to 663.4 nm)" ucd="meta.note" utype="photdm:PhotometryFilter.description" datatype="char" arraysize="*"/>
    <PARAM name="components" value="Filter" datatype="char" arraysize="*">
       <DESCRIPTION>Transmission components</DESCRIPTION>
    </PARAM>
    <PARAM name="WavelengthRef" value="6635.0527074257" unit="Angstrom" ucd="em.wl;meta.main" utype="photdm:PhotometryFilter.spectralLocation.value" datatype="double" >
       <DESCRIPTION>Reference wavelength. Defined as the same than the pivot wavelength.</DESCRIPTION>
    </PARAM>
    <PARAM name="WavelengthMean" value="6635.134049661" unit="Angstrom" ucd="em.wl" datatype="double" >
       <DESCRIPTION>Mean wavelength. Defined as integ[x*filter(x) dx]/integ[filter(x) dx]</DESCRIPTION>
    </PARAM>
    <PARAM name="WavelengthEff" value="6635.1703898793" unit="Angstrom" ucd="em.wl.effective" datatype="double" >
       <DESCRIPTION>Effective wavelength. Defined as integ[x*filter(x)*vega(x) dx]/integ[filter(x)*vega(x) dx]</DESCRIPTION>
    </PARAM>
    <PARAM name="WavelengthMin" value="6578.5141297552" unit="Angstrom" ucd="em.wl;stat.min" utype="photdm:PhotometryFilter.bandwidth.start.value" datatype="double" >
       <DESCRIPTION>Minimum filter wavelength. Defined as the first lambda value with a transmission at least 1% of maximum transmission</DESCRIPTION>
    </PARAM>
    <PARAM name="WavelengthMax" value="6693.2523115285" unit="Angstrom" ucd="em.wl;stat.max" utype="photdm:PhotometryFilter.bandwidth.stop.value" datatype="double" >
       <DESCRIPTION>Maximum filter wavelength. Defined as the last lambda value with a transmission at least 1% of maximum transmission</DESCRIPTION>
    </PARAM>
    <PARAM name="WidthEff" value="56.499090932713" unit="Angstrom" ucd="instr.bandwidth" utype="photdm:PhotometryFilter.bandwidth.extent.value" datatype="double" >
       <DESCRIPTION>Effective width. Defined as integ[x*filter(x) dx].\nEquivalent 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.</DESCRIPTION>
    </PARAM>
    <PARAM name="WavelengthCen" value="6635.0404029406" unit="Angstrom" ucd="em.wl" datatype="double" >
       <DESCRIPTION>Central wavelength. Defined as the central wavelength between the two points defining FWMH</DESCRIPTION>
    </PARAM>
    <PARAM name="WavelengthPivot" value="6635.0527074257" unit="Angstrom" ucd="em.wl" datatype="double" >
       <DESCRIPTION>Peak wavelength. Defined as sqrt{integ[x*filter(x) dx]/integ[filter(x) dx/x]}</DESCRIPTION>
    </PARAM>
    <PARAM name="WavelengthPeak" value="6640" unit="Angstrom" ucd="em.wl" datatype="double" >
       <DESCRIPTION>Peak wavelength. Defined as the lambda value with larger transmission</DESCRIPTION>
    </PARAM>
    <PARAM name="WavelengthPhot" value="6635.2240009807" unit="Angstrom" ucd="em.wl" datatype="double" >
       <DESCRIPTION>Photon distribution based effective wavelength. Defined as integ[x^2*filter(x)*vega(x) dx]/integ[x*filter(x)*vega(x) dx]</DESCRIPTION>
    </PARAM>
    <PARAM name="FWHM" value="54.885757245016" unit="Angstrom" ucd="instr.bandwidth" datatype="double" >
       <DESCRIPTION>Full width at half maximum. Defined as the difference between the two wavelengths for which filter transmission is half maximum</DESCRIPTION>
    </PARAM>
    <PARAM name="Fsun" value="156.17809445393" unit="erg/cm2/s/A" ucd="phot.flux.density" datatype="double" >
       <DESCRIPTION>Sun flux</DESCRIPTION>
    </PARAM>
    <PARAM name="PhotCalID" value="Liverpool/IOO.Halpha-6634_filter/Vega" ucd="meta.id" utype="photdm:PhotCal.identifier" datatype="char" arraysize="*"/>
    <PARAM name="MagSys" value="Vega" ucd="meta.code" utype="photdm:PhotCal.MagnitudeSystem.type" datatype="char" arraysize="*"/>
    <PARAM name="ZeroPoint" value="2919.0918386422" unit="Jy" ucd="phot.flux.density" utype="photdm:PhotCal.zeroPoint.flux.value" datatype="double" />
    <PARAM name="ZeroPointUnit" value="Jy" ucd="meta.unit" utype="photdm:PhotCal.ZeroPoint.flux.unitexpression" datatype="char" arraysize="*"/>
    <PARAM name="ZeroPointType" value="Pogson" ucd="meta.code" utype="photdm:PhotCal.ZeroPoint.type" datatype="char" arraysize="*"/>
      <FIELD name="Wavelength" utype="spec:Data.SpectralAxis.Value" ucd="em.wl" unit="Angstrom" datatype="double"/>
      <FIELD name="Transmission" utype="spec:Data.FluxAxis.Value" ucd="phys.transmission" unit="" datatype="double"/>
      <DATA>
        <TABLEDATA>
          <TR>
            <TD>6545</TD>
            <TD>0.00053197184</TD>
          </TR>
          <TR>
            <TD>6550</TD>
            <TD>0.0007443361</TD>
          </TR>
          <TR>
            <TD>6555</TD>
            <TD>0.0010733769</TD>
          </TR>
          <TR>
            <TD>6560</TD>
            <TD>0.0015754676</TD>
          </TR>
          <TR>
            <TD>6565</TD>
            <TD>0.0024220133</TD>
          </TR>
          <TR>
            <TD>6570</TD>
            <TD>0.0038145408</TD>
          </TR>
          <TR>
            <TD>6575</TD>
            <TD>0.0062844968</TD>
          </TR>
          <TR>
            <TD>6580</TD>
            <TD>0.010747365</TD>
          </TR>
          <TR>
            <TD>6585</TD>
            <TD>0.019609304</TD>
          </TR>
          <TR>
            <TD>6590</TD>
            <TD>0.037706871</TD>
          </TR>
          <TR>
            <TD>6595</TD>
            <TD>0.078706565</TD>
          </TR>
          <TR>
            <TD>6600</TD>
            <TD>0.16517036</TD>
          </TR>
          <TR>
            <TD>6605</TD>
            <TD>0.33960947</TD>
          </TR>
          <TR>
            <TD>6610</TD>
            <TD>0.58861816</TD>
          </TR>
          <TR>
            <TD>6615</TD>
            <TD>0.80362782</TD>
          </TR>
          <TR>
            <TD>6620</TD>
            <TD>0.89959351</TD>
          </TR>
          <TR>
            <TD>6625</TD>
            <TD>0.91903873</TD>
          </TR>
          <TR>
            <TD>6630</TD>
            <TD>0.92620377</TD>
          </TR>
          <TR>
            <TD>6635</TD>
            <TD>0.93267937</TD>
          </TR>
          <TR>
            <TD>6640</TD>
            <TD>0.93345795</TD>
          </TR>
          <TR>
            <TD>6645</TD>
            <TD>0.92421402</TD>
          </TR>
          <TR>
            <TD>6650</TD>
            <TD>0.89190025</TD>
          </TR>
          <TR>
            <TD>6655</TD>
            <TD>0.78731674</TD>
          </TR>
          <TR>
            <TD>6660</TD>
            <TD>0.58353901</TD>
          </TR>
          <TR>
            <TD>6665</TD>
            <TD>0.34526486</TD>
          </TR>
          <TR>
            <TD>6670</TD>
            <TD>0.1714819</TD>
          </TR>
          <TR>
            <TD>6675</TD>
            <TD>0.083961225</TD>
          </TR>
          <TR>
            <TD>6680</TD>
            <TD>0.041703544</TD>
          </TR>
          <TR>
            <TD>6685</TD>
            <TD>0.022495899</TD>
          </TR>
          <TR>
            <TD>6690</TD>
            <TD>0.012585179</TD>
          </TR>
          <TR>
            <TD>6695</TD>
            <TD>0.0074749696</TD>
          </TR>
          <TR>
            <TD>6700</TD>
            <TD>0.0045949608</TD>
          </TR>
          <TR>
            <TD>6705</TD>
            <TD>0.002985736</TD>
          </TR>
          <TR>
            <TD>6710</TD>
            <TD>0.0019865865</TD>
          </TR>
          <TR>
            <TD>6715</TD>
            <TD>0.0013689492</TD>
          </TR>
          <TR>
            <TD>6720</TD>
            <TD>0.00096079029</TD>
          </TR>
          <TR>
            <TD>6725</TD>
            <TD>0.00069284287</TD>
          </TR>
          <TR>
            <TD>6730</TD>
            <TD>0.00050970506</TD>
          </TR>
        </TABLEDATA>
      </DATA>
    </TABLE>
  </RESOURCE>
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