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Ignore:
Timestamp:
Oct 7, 2015, 11:33:06 AM (11 years ago)
Author:
eugene
Message:

moments set to arcsec-based units instead of pixels; definitions of M3 and M4 moments fixed

File:
1 edited

Legend:

Unmodified
Added
Removed

  • trunk/ippToPsps/config/tables.DF.vot

    r38805 r38808  
    202202        <DESCRIPTION>Likelihood that this detection is best fit by a PSF.</DESCRIPTION>
    203203      </FIELD>
    204       <FIELD name="DmomentXX" arraysize="1" datatype="float" unit="sky pixels^2" default="-999">
     204      <FIELD name="DmomentXX" arraysize="1" datatype="float" unit="arcsec^2" default="-999">
    205205        <DESCRIPTION>Second moment M_xx.</DESCRIPTION>
    206206      </FIELD>
    207       <FIELD name="DmomentXY" arraysize="1" datatype="float" unit="sky pixels^2" default="-999">
     207      <FIELD name="DmomentXY" arraysize="1" datatype="float" unit="arcsec^2" default="-999">
    208208        <DESCRIPTION>Second moment M_xy.</DESCRIPTION>
    209209      </FIELD>
    210       <FIELD name="DmomentYY" arraysize="1" datatype="float" unit="sky pixels^2" default="-999">
     210      <FIELD name="DmomentYY" arraysize="1" datatype="float" unit="arcsec^2" default="-999">
    211211        <DESCRIPTION>Second moment M_yy.</DESCRIPTION>
    212212      </FIELD>
    213       <FIELD name="DmomentR1" arraysize="1" datatype="float" unit="sky pixels" default="-999">
     213      <FIELD name="DmomentR1" arraysize="1" datatype="float" unit="arcsec" default="-999">
    214214        <DESCRIPTION>First radial moment.</DESCRIPTION>
    215215      </FIELD>
    216       <FIELD name="DmomentRH" arraysize="1" datatype="float" unit="sky pixels^0.5" default="-999">
     216      <FIELD name="DmomentRH" arraysize="1" datatype="float" unit="arcsec^0.5" default="-999">
    217217        <DESCRIPTION>Half radial moment (r^0.5 weighting).</DESCRIPTION>
    218218      </FIELD>
    219       <FIELD name="DmomentM3C" arraysize="1" datatype="float" unit="sky pixels^3" default="-999">
    220         <DESCRIPTION>Moment M3C = M_xxx - 3 * M_xyy.</DESCRIPTION>
    221       </FIELD>
    222       <FIELD name="DmomentM3S" arraysize="1" datatype="float" unit="sky pixels^3" default="-999">
    223         <DESCRIPTION>Moment M3S = 3 * M_xxy - M_yyy.</DESCRIPTION>
    224       </FIELD>
    225       <FIELD name="DmomentM4C" arraysize="1" datatype="float" unit="sky pixels^4" default="-999">
    226         <DESCRIPTION>Moment M4C = M_xxxx - 6 * M_xxyy + M_yyyy.</DESCRIPTION>
    227       </FIELD>
    228       <FIELD name="DmomentM4S" arraysize="1" datatype="float" unit="sky pixels^4" default="-999">
    229         <DESCRIPTION>Moment M4S = 4 * M_xxxy - 4 * M_xyyy.</DESCRIPTION>
     219      <FIELD name="DmomentM3C" arraysize="1" datatype="float" unit="arcsec^2" default="-999">
     220        <DESCRIPTION>cosine of trefoil second moment term: r^2 cos(3 theta) = M_xxx - 3 * M_xyy.</DESCRIPTION>
     221      </FIELD>
     222      <FIELD name="DmomentM3S" arraysize="1" datatype="float" unit="arcsec^2" default="-999">
     223        <DESCRIPTION>sine of trefoil second moment: r^2 sin (3 theta) = 3 * M_xxy - M_yyy.</DESCRIPTION>
     224      </FIELD>
     225      <FIELD name="DmomentM4C" arraysize="1" datatype="float" unit="arcsec^2" default="-999">
     226        <DESCRIPTION>cosine of quadrupole second moment: r^2 cos (4 theta) = M_xxxx - 6 * M_xxyy + M_yyyy.</DESCRIPTION>
     227      </FIELD>
     228      <FIELD name="DmomentM4S" arraysize="1" datatype="float" unit="arcsec^2" default="-999">
     229        <DESCRIPTION>sine of quadrupole second moment: r^2 sin (4 theta) = 4 * M_xxxy - 4 * M_xyyy.</DESCRIPTION>
    230230      </FIELD>
    231231      <FIELD name="DapFlux" arraysize="1" datatype="float" unit="Janskys" default="-999">
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