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<html xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:vo-dml="http://www.ivoa.net/xml/VODML/v1">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>PhotDM</title>
<link rel="stylesheet" href="http://volute.g-vo.org/svn/trunk/projects/dm/vo-dml/style/ivoa_wg.css" type="text/css">
<link rel="stylesheet" href="http://volute.g-vo.org/svn/trunk/projects/dm/vo-dml/style/xmi.css" type="text/css">
</head>
<body>
<h1>PhotDM</h1>
<h2><a id="contents" name="contents">Table of Contents</a></h2>
<div class="head">
<table class=".toc">
<tr>
<td>1.</td>
<td> <a href="#model_section">model: Phot</a></td>
</tr>
<tr>
<td>2.</td>
<td> <a href="#packages">Packages and Types</a></td>
</tr>
<tr>
<td>2.1</td>
<td> <a href="#rootpackage">[root package]</a></td>
</tr>
<tr>
<td>2.1.1</td>
<td> <a href="#Access">objectType:Access</a></td>
</tr>
<tr>
<td>2.1.2</td>
<td> <a href="#AsinhZeropoint">objectType:AsinhZeropoint</a></td>
</tr>
<tr>
<td>2.1.3</td>
<td> <a href="#Bandwidth">objectType:Bandwidth</a></td>
</tr>
<tr>
<td>2.1.4</td>
<td> <a href="#Flux">objectType:Flux</a></td>
</tr>
<tr>
<td>2.1.5</td>
<td> <a href="#ISOTime">primitiveType:ISOTime</a></td>
</tr>
<tr>
<td>2.1.6</td>
<td> <a href="#LinearFluxZeropoint">objectType:LinearFluxZeropoint</a></td>
</tr>
<tr>
<td>2.1.7</td>
<td> <a href="#MagnitudeSystem">objectType:MagnitudeSystem</a></td>
</tr>
<tr>
<td>2.1.8</td>
<td> <a href="#PhotCal">objectType:PhotCal</a></td>
</tr>
<tr>
<td>2.1.9</td>
<td> <a href="#PhotometricSystem">objectType:PhotometricSystem</a></td>
</tr>
<tr>
<td>2.1.10</td>
<td> <a href="#PhotometryFilter">objectType:PhotometryFilter</a></td>
</tr>
<tr>
<td>2.1.11</td>
<td> <a href="#PogsonZeropoint">objectType:PogsonZeropoint</a></td>
</tr>
<tr>
<td>2.1.12</td>
<td> <a href="#SpectralLocation">objectType:SpectralLocation</a></td>
</tr>
<tr>
<td>2.1.13</td>
<td> <a href="#TransmissionCurve">objectType:TransmissionCurve</a></td>
</tr>
<tr>
<td>2.1.14</td>
<td> <a href="#TransmissionPoint">objectType:TransmissionPoint</a></td>
</tr>
<tr>
<td>2.1.15</td>
<td> <a href="#TypeOfMagSystem">enumeration:TypeOfMagSystem</a></td>
</tr>
<tr>
<td>2.1.16</td>
<td> <a href="#UCD">primitiveType:UCD</a></td>
</tr>
<tr>
<td>2.1.17</td>
<td> <a href="#ZeroPoint">objectType:ZeroPoint</a></td>
</tr>
<tr>
<td>3.</td>
<td>
<a href="#vodml-ids">vodml-id-s</a></td>
</tr>
<tr>
<td>4.</td>
<td>
<a href="#modelimports">Imported Models</a></td>
</tr>
<tr>
<td>4.1</td>
<td>
<a href="#ivoa">ivoa</a></td>
</tr>
</table>
</div>
<hr>
<h1><a name="model_section">1. Model: PhotDM (Phot)</a></h1>
<table>
<tr>
<td align="right"><b>Authors</b></td>
<td> : </td>
<td>Jesús Salgado, Carlos Rodrigo, Pedro Osuna, Mark Allen, Mireille Louys, Jonathan McDowell, Deborah Baines, Jesús Maíz Apellániz,
Evanthia Hatziminaoglou, Sebastien Derriere, Gerard Lemson
</td>
</tr>
<tr>
<td align="right"><b>Date</b></td>
<td> : </td>
<td>2022-05-20T18:03:25</td>
</tr>
<tr>
<td align="right"><b>Version</b></td>
<td> : </td>
<td>1.1</td>
</tr>
<tr>
<td align="right">Previous version:</td>
<td> : </td>
<td><a href="1.0">1.0</a></td>
</tr>
<tr>
<td align="right" valign="top"><b>Abstract</b></td>
<td valign="top"> : </td>
<td>Data model describing Photometric properties for data sets to be used for data calibration, comparison or reprocessing.
</td>
</tr>
<tr>
<td align="right" valign="top"><b>Diagram</b></td>
<td valign="top"> : </td>
<td> The following diagram has been generated with Modelio 3.8.
It represents the Overview of the model classes.
<!--The following diagram has been generated from the model using the <a href="http://www.graphviz.org/" target="_blank">GraphViz</a> tool.<br>
The classes and packages in the diagram can be clicked and are mapped to the descriptions of the corresponding element elsewhere
in the document.
-->
<img src="https://wiki.ivoa.net/internal/IVOA/PhotDMv1-1/PhotometryOverviewDiagram_20220520.png" alt="PhotDM v1.1 Overview Class Diagram" title="UML Overview class diagram by Modelio">
</td>
</tr>
<tr>
<td align="right" valign="top"><b>Diagram</b></td>
<td valign="top"> : </td>
<td>The following diagram has been generated from the model using the <a href="http://www.graphviz.org/" target="_blank">GraphViz</a> tool.<br>
The classes and packages in the diagram can be clicked and are mapped to the descriptions of the corresponding element elsewhere
in the document.
</td>
</tr>
<tr>
<td colspan="3"></td>
</tr>
</table><img src="Photv1_1_PR_20220520.png" usemap="#GVmap"><map id="GVmap" name="GVmap">
<area shape="rect" id="node1" href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#string" title="{ivoa:string}" alt="" coords="23,185,95,235"/>
<area shape="rect" id="node2" href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#datetime" title="{ivoa:datetime}" alt="" coords="149,185,229,235"/>
<area shape="rect" id="node3" href="#UCD" title="{<<primitive type>>\nUCD}" alt="" coords="5,22,112,71"/>
<area shape="rect" id="node4" href="#ISOTime" title="{<<primitive type>>\nISOTime}" alt="" coords="136,22,243,71"/>
<area shape="rect" id="node5" href="#TypeOfMagSystem" title="{<<enumeration>>\nTypeOfMagSystem|+VEGAmag\l+ABmag\l+STmag\l}" alt="" coords="267,5,373,88"/>
<area shape="rect" id="node6" href="#PhotometricSystem" title="{PhotometricSystem|+description : ivoa:string\l+detectorType : ivoa:integer\l}" alt="" coords="397,17,541,76"/>
<area shape="rect" id="node7" href="#PhotometryFilter" title="{PhotometryFilter|+fpsIdentifier : ivoa:string\l+identifier : ivoa:string\l+name : ivoa:string\l+description : ivoa:string\l+bandName : ivoa:string\l+dateValidityFrom : Phot:ISOTime\l+dateValidityTo : Phot:ISOTime\l}" alt="" coords="408,151,581,269"/>
<area shape="rect" id="node14" href="#Bandwidth" title="{Bandwidth|+ucd : Phot:UCD\l+unitexpression : ivoa:Unit\l+extent : ivoa:real\l+start : ivoa:real\l+stop : ivoa:real\l}" alt="" coords="280,332,419,427"/>
<area shape="rect" id="node17" href="#TransmissionCurve" title="{TransmissionCurve}" alt="" coords="443,355,546,404"/>
<area shape="rect" id="node18" href="#SpectralLocation" title="{SpectralLocation|+ucd : Phot:UCD\l+unitexpression : ivoa:Unit\l+value : ivoa:real\l}" alt="" coords="571,344,709,415"/>
<area shape="rect" id="node8" href="#PhotCal" title="{PhotCal|+identifier : ivoa:string\l}" alt="" coords="657,22,778,71"/>
<area shape="rect" id="node9" href="#ZeroPoint" title="{ZeroPoint|+type : ivoa:integer\l+referenceMagnitudeValue : ivoa:real\l+referenceMagnitudeError : ivoa:real\l}" alt="" coords="885,175,1072,245"/>
<area shape="rect" id="node13" href="#MagnitudeSystem" title="{MagnitudeSystem|+type : Phot:TypeOfMagSystem\l+referenceSpectrum : ivoa:anyURI\l}" alt="" coords="630,181,805,239"/>
<area shape="rect" id="node19" href="#Flux" title="{Flux|+ucd : Phot:UCD\l+unitexpression : ivoa:Unit\l+value : ivoa:real\l+error : ivoa:real\l}" alt="" coords="909,338,1048,421"/>
<area shape="rect" id="node10" href="#PogsonZeropoint" title="{PogsonZeropoint}" alt="" coords="837,22,931,71"/>
<area shape="rect" id="node11" href="#AsinhZeropoint" title="{AsinhZeropoint|+softeningParameter : ivoa:real\l}" alt="" coords="955,22,1114,71"/>
<area shape="rect" id="node12" href="#LinearFluxZeropoint" title="{LinearFluxZeropoint}" alt="" coords="1139,22,1251,71"/>
<area shape="rect" id="node15" href="#TransmissionPoint" title="{TransmissionPoint|+transmissionValue : ivoa:real\l+spectralValue : ivoa:real\l+spectralErrorValue : ivoa:real\l+ucd : Phot:UCD\l+unit : ivoa:Unit\l}" alt="" coords="331,489,488,584"/>
<area shape="rect" id="node16" href="#Access" title="{Access|+reference : ivoa:anyURI\l+size : ivoa:integer\l+format : ivoa:string\l}" alt="" coords="513,501,647,572"/>
</map>
<hr>
<h1>2.<a name="packages">Model contents: Packages and Types</a></h1>
<p>
The following sub-sections present all packages in the model with their types.
The packages are listed here in alphabetical order.
Each sub-section contains a description of the package and a table containing its various features.
</p>
<h3><a name="rootpackage"></a>2.1 [root package]
</h3>
<table border="1" cellspacing="2" width="100%">
<tr>
<td class="objecttype-title" width="20%">Model</td>
<td class="objecttype-name">Phot</td>
</tr>
<tr>
<td width="20%" class="info-title">Object types</td>
<td colspan="2" class="feature-detail"><a href="#Access">Access</a> <a href="#AsinhZeropoint">AsinhZeropoint</a> <a href="#Bandwidth">Bandwidth</a> <a href="#Flux">Flux</a> <a href="#LinearFluxZeropoint">LinearFluxZeropoint</a> <a href="#MagnitudeSystem">MagnitudeSystem</a> <a href="#PhotCal">PhotCal</a> <a href="#PhotometricSystem">PhotometricSystem</a> <a href="#PhotometryFilter">PhotometryFilter</a> <a href="#PogsonZeropoint">PogsonZeropoint</a> <a href="#SpectralLocation">SpectralLocation</a> <a href="#TransmissionCurve">TransmissionCurve</a> <a href="#TransmissionPoint">TransmissionPoint</a> <a href="#ZeroPoint">ZeroPoint</a>
</td>
</tr>
<tr>
<td width="20%" class="info-title">Enumerations</td>
<td colspan="2" class="feature-detail"><a href="#TypeOfMagSystem">TypeOfMagSystem</a>
</td>
</tr>
<tr>
<td width="20%" class="info-title">Primitive types</td>
<td colspan="2" class="feature-detail"><a href="#ISOTime">ISOTime</a> <a href="#UCD">UCD</a>
</td>
</tr>
</table>
<h3><a name="Access"></a>2.1.1 objectType: Access
</h3>
<div align="center">
<table border="1" width="100%" cellspacing="2">
<tr>
<td class="objecttype-title" width="20%">vodml-id</td>
<td class="objecttype-name" colspan="1">Access</td>
</tr>
<tr>
<td class="info-title">description</td>
<td class="feature-detail" colspan="1">Gathers all properties to access a resource : uri, format and size .
</td>
</tr>
<tr>
<td colspan="2">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td colspan="2" bgcolor="#cacaca">
<table width="100%" border="0" cellpadding="3" cellspacing="1">
<tr>
<td colspan="3" class="info-title">attributes</td>
</tr>
<tr>
<td class="feature-heading" width="20%">name</td>
<td class="feature-heading" width="10%">feature</td>
<td class="feature-heading" width="70%">value</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Access.reference"></a><b>reference</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#anyURI">anyURI</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Access.reference</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">URI to access the resource.</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Access.size"></a><b>size</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#integer">integer</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Access.size</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Approximate estimated size of the dataset, specified in kilobytes.</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Access.format"></a><b>format</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#string">string</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Access.format</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Format of the accessed resource. Typically a MIME type is used : application/fits, application/x-votable+xml, text/csv, text/xml,
etc.
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</div><br><h3><a name="AsinhZeropoint"></a>2.1.2 objectType: AsinhZeropoint
</h3>
<div align="center">
<table border="1" width="100%" cellspacing="2">
<tr>
<td class="objecttype-title" width="20%">vodml-id</td>
<td class="objecttype-name" colspan="1">AsinhZeropoint</td>
</tr>
<tr>
<td class="info-title">description</td>
<td class="feature-detail" colspan="1">Extension of ZeroPoint to describe asinh magnitudes, a.k.a. luptitudes.</td>
</tr>
<tr>
<td colspan="2">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td colspan="2" bgcolor="#cacaca">
<table width="100%" border="0" cellpadding="3" cellspacing="1">
<tr>
<td width="20%" class="info-title">extends</td>
<td colspan="3" class="feature-detail"><a href="#ZeroPoint">ZeroPoint [Phot:ZeroPoint]</a></td>
</tr>
<tr>
<td colspan="3" class="info-title">attributes</td>
</tr>
<tr>
<td class="feature-heading" width="20%">name</td>
<td class="feature-heading" width="10%">feature</td>
<td class="feature-heading" width="70%">value</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="AsinhZeropoint.softeningParameter"></a><b>softeningParameter</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#real">real</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">AsinhZeropoint.softeningParameter</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Parameter used to correct the calculation of magnitudes for faint sources. Usually called 'b'. See (Lupton and Gunn et al.
[1999]) for a formal explanation.
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</div><br><h3><a name="Bandwidth"></a>2.1.3 objectType: Bandwidth
</h3>
<div align="center">
<table border="1" width="100%" cellspacing="2">
<tr>
<td class="objecttype-title" width="20%">vodml-id</td>
<td class="objecttype-name" colspan="1">Bandwidth</td>
</tr>
<tr>
<td class="info-title">description</td>
<td class="feature-detail" colspan="1">This class is used to characterize the spectral properties of a filter.
</td>
</tr>
<tr>
<td colspan="2">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td colspan="2" bgcolor="#cacaca">
<table width="100%" border="0" cellpadding="3" cellspacing="1">
<tr>
<td colspan="3" class="info-title">attributes</td>
</tr>
<tr>
<td class="feature-heading" width="20%">name</td>
<td class="feature-heading" width="10%">feature</td>
<td class="feature-heading" width="70%">value</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Bandwidth.ucd"></a><b>ucd</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#UCD">UCD [Phot:UCD]</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Bandwidth.ucd</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Unified Content Description (UCD) string that specifies the nature of the bandwidth object.</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Bandwidth.unitexpression"></a><b>unitexpression</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#Unit">Unit</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Bandwidth.unitexpression</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Unit string that specifies the spectral unit for this filter.</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Bandwidth.extent"></a><b>extent</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#real">real</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Bandwidth.extent</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">0..1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Bandwidth’s extent of the filter , as length of the covered spectral interval , or effective width following appropriate filter
type.
</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Bandwidth.start"></a><b>start</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#real">real</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Bandwidth.start</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">In practice, this could be taken as the minimum value of the filter transmission curve.</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Bandwidth.stop"></a><b>stop</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#real">real</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Bandwidth.stop</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">In practice, this could be taken as the maximum value of the filter transmission curve.</td>
</tr>
<tr>
<td colspan="3" class="info-title">constraints</td>
</tr>
<tr>
<td class="feature-detail" valign="top" colspan="3">One association at the time
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</div><br><h3><a name="Flux"></a>2.1.4 objectType: Flux
</h3>
<div align="center">
<table border="1" width="100%" cellspacing="2">
<tr>
<td class="objecttype-title" width="20%">vodml-id</td>
<td class="objecttype-name" colspan="1">Flux</td>
</tr>
<tr>
<td class="info-title">description</td>
<td class="feature-detail" colspan="1">This class is used to characterize the photometric calibration Flux<—> Magnitude associated to the ZeroPoint used by a PhotCal
instance.
</td>
</tr>
<tr>
<td colspan="2">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td colspan="2" bgcolor="#cacaca">
<table width="100%" border="0" cellpadding="3" cellspacing="1">
<tr>
<td colspan="3" class="info-title">attributes</td>
</tr>
<tr>
<td class="feature-heading" width="20%">name</td>
<td class="feature-heading" width="10%">feature</td>
<td class="feature-heading" width="70%">value</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Flux.ucd"></a><b>ucd</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#UCD">UCD [Phot:UCD]</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Flux.ucd</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Unified Content Description (UCD) string that specifies the nature of the flux.
</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Flux.unitexpression"></a><b>unitexpression</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#Unit">Unit</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Flux.unitexpression</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Unit string that specifies the flux unit.
</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Flux.value"></a><b>value</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#real">real</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Flux.value</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">A flux value.</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="Flux.error"></a><b>error</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#real">real</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">Flux.error</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Flux value error corresponding to the reference magnitude value of the calibrating object. </td>
</tr>
<tr>
<td colspan="3" class="info-title">constraints</td>
</tr>
<tr>
<td class="feature-detail" valign="top" colspan="3">One association at the time
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</div><br><h3><a name="ISOTime"></a>2.1.5 primitiveType: ISOTime
</h3>
<table border="1" width="100%" cellspacing="2">
<tr>
<td class="objecttype-title" width="20%">vodml-id</td>
<td class="objecttype-name" colspan="1">ISOTime</td>
</tr>
<tr>
<td class="info-title">description</td>
<td class="feature-detail" colspan="1">Time stamp, represented as a string. This representaion is compliant to the DALI time stamp definition : section 3.3.3 Timestamp
in
https://www.ivoa.net/documents/DALI/20170517/REC-DALI-1.1.pdf
This class derives from the ivoa:datetime class.
It could be inserted in the ivoa: template data model for types in a next version.
</td>
</tr>
</table><br><h3><a name="LinearFluxZeropoint"></a>2.1.6 objectType: LinearFluxZeropoint
</h3>
<div align="center">
<table border="1" width="100%" cellspacing="2">
<tr>
<td class="objecttype-title" width="20%">vodml-id</td>
<td class="objecttype-name" colspan="1">LinearFluxZeropoint</td>
</tr>
<tr>
<td class="info-title">description</td>
<td class="feature-detail" colspan="1">Extension of ZeroPoint to describe simple linear flux photometry, commonly used in Radio, Far Infrared and X-ray spectral
ranges. Although not being magnitudes as such, relative linear flux measurements can be included as a special and trivial
case of magnitude.
</td>
</tr>
<tr>
<td colspan="2">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td colspan="2" bgcolor="#cacaca">
<table width="100%" border="0" cellpadding="3" cellspacing="1">
<tr>
<td width="20%" class="info-title">extends</td>
<td colspan="3" class="feature-detail"><a href="#ZeroPoint">ZeroPoint [Phot:ZeroPoint]</a></td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</div><br><h3><a name="MagnitudeSystem"></a>2.1.7 objectType: MagnitudeSystem
</h3>
<div align="center">
<table border="1" width="100%" cellspacing="2">
<tr>
<td class="objecttype-title" width="20%">vodml-id</td>
<td class="objecttype-name" colspan="1">MagnitudeSystem</td>
</tr>
<tr>
<td class="info-title">description</td>
<td class="feature-detail" colspan="1">A class to describe the Magnitude System used , its type and the reference spectrum attached if present.</td>
</tr>
<tr>
<td colspan="2">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td colspan="2" bgcolor="#cacaca">
<table width="100%" border="0" cellpadding="3" cellspacing="1">
<tr>
<td colspan="3" class="info-title">attributes</td>
</tr>
<tr>
<td class="feature-heading" width="20%">name</td>
<td class="feature-heading" width="10%">feature</td>
<td class="feature-heading" width="70%">value</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="MagnitudeSystem.type"></a><b>type</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#TypeOfMagSystem">TypeOfMagSystem [Phot:TypeOfMagSystem]</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">MagnitudeSystem.type</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Type of magnitude system used to compute the associated zeropoint . Typical values are : VEGAmag, ABmag, STmag .
</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="MagnitudeSystem.referenceSpectrum"></a><b>referenceSpectrum</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#anyURI">anyURI</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">MagnitudeSystem.referenceSpectrum</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Link to the reference spectrum as a URI.</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</div><br><h3><a name="PhotCal"></a>2.1.8 objectType: PhotCal
</h3>
<div align="center">
<table border="1" width="100%" cellspacing="2">
<tr>
<td class="objecttype-title" width="20%">vodml-id</td>
<td class="objecttype-name" colspan="1">PhotCal</td>
</tr>
<tr>
<td class="info-title">description</td>
<td class="feature-detail" colspan="1">A class to bind together all photometic calibration reference information: a photometry filter, a certain magnitude system
configuration and a certain zero point object.
</td>
</tr>
<tr>
<td colspan="2">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td colspan="2" bgcolor="#cacaca">
<table width="100%" border="0" cellpadding="3" cellspacing="1">
<tr>
<td colspan="3" class="info-title">attributes</td>
</tr>
<tr>
<td class="feature-heading" width="20%">name</td>
<td class="feature-heading" width="10%">feature</td>
<td class="feature-heading" width="70%">value</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="PhotCal.identifier"></a><b>identifier</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#string">string</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">PhotCal.identifier</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">A unique identifier of the Photometry calibration instance within the project and a filterprofile service . Suggested syntax
would be:
Facility/Subcategory/Band/Photometric System Type[/Suffix]
</td>
</tr>
<tr>
<td colspan="3" class="info-title">references</td>
</tr>
<tr>
<td class="feature-heading" width="20%">name</td>
<td class="feature-heading" width="10%">feature</td>
<td class="feature-heading" width="70%">value</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="PhotCal.photometryFilter"></a><b>photometryFilter</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#PhotometryFilter">PhotometryFilter [Phot:PhotometryFilter]</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">PhotCal.photometryFilter</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Each PhotCal element is related to one single Filter. Some Filter object may have no calibration registered yet.</td>
</tr>
<tr>
<td colspan="3" class="info-title">compositions</td>
</tr>
<tr>
<td class="feature-heading" width="20%">name</td>
<td class="feature-heading" width="10%">feature</td>
<td class="feature-heading" width="70%">value</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="5"><a name="PhotCal.magnitudeSystem"></a><b>magnitudeSystem</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#MagnitudeSystem">MagnitudeSystem [Phot:MagnitudeSystem]</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">PhotCal.magnitudeSystem</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">isOrdered</td>
<td class="feature-detail">false</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">ZeroPoint values are given with one computation method corresponding to a defined Magnitude system.
</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="5"><a name="PhotCal.zeroPoint"></a><b>zeroPoint</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ZeroPoint">ZeroPoint [Phot:ZeroPoint]</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">PhotCal.zeroPoint</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">isOrdered</td>
<td class="feature-detail">false</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">The ZeroPoint value for the flux to mag translation belongs to a Photcal element and is defined for one Filter element and
one MagnitudeSystem .
</td>
</tr>
<tr>
<td colspan="3" class="info-title">constraints</td>
</tr>
<tr>
<td class="feature-detail" valign="top" colspan="3">One association at the time
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</div><br><h3><a name="PhotometricSystem"></a>2.1.9 objectType: PhotometricSystem
</h3>
<div align="center">
<table border="1" width="100%" cellspacing="2">
<tr>
<td class="objecttype-title" width="20%">vodml-id</td>
<td class="objecttype-name" colspan="1">PhotometricSystem</td>
</tr>
<tr>
<td class="info-title">description</td>
<td class="feature-detail" colspan="1">The reference photometric system used to interpret photometric measurements.</td>
</tr>
<tr>
<td colspan="2">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td colspan="2" bgcolor="#cacaca">
<table width="100%" border="0" cellpadding="3" cellspacing="1">
<tr>
<td colspan="3" class="info-title">attributes</td>
</tr>
<tr>
<td class="feature-heading" width="20%">name</td>
<td class="feature-heading" width="10%">feature</td>
<td class="feature-heading" width="70%">value</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="PhotometricSystem.description"></a><b>description</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#string">string</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">PhotometricSystem.description</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">This string contains a human readable short-text representation of the photometric system. This will allow client applications
to display textual information to final users.
</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="4"><a name="PhotometricSystem.detectorType"></a><b>detectorType</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#ivoa">ivoa</a>:<a href="https://github.com/ivoa/vo-dml/blob/master/models/ivoa/vo-dml/IVOA-v1.0.html#integer">integer</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">PhotometricSystem.detectorType</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">Detector type associated to this photometric system. Possible values are: 0 for Energy counter (amplifiers), 1 for Photon
counter (CCDs, Photomultipliers).
</td>
</tr>
<tr>
<td colspan="3" class="info-title">compositions</td>
</tr>
<tr>
<td class="feature-heading" width="20%">name</td>
<td class="feature-heading" width="10%">feature</td>
<td class="feature-heading" width="70%">value</td>
</tr>
<tr>
<td class="feature-detail" valign="top" rowspan="5"><a name="PhotometricSystem.photometryFilter"></a><b>photometryFilter</b></td>
<td class="feature-heading">type</td>
<td class="feature-detail"><a href="#PhotometryFilter">PhotometryFilter [Phot:PhotometryFilter]</a></td>
</tr>
<tr>
<td class="feature-heading">vodml-id</td>
<td class="feature-detail">PhotometricSystem.photometryFilter</td>
</tr>
<tr>
<td class="feature-heading">multiplicity</td>
<td class="feature-detail">1..*</td>
</tr>
<tr>
<td class="feature-heading">isOrdered</td>
<td class="feature-detail">false</td>
</tr>
<tr>
<td class="feature-heading">description</td>
<td class="feature-detail">The Photometric information is related to a Photometric system, and gathers filter descriptions, for one or several .
</td>
</tr>
<tr>
<td colspan="3" class="info-title">constraints</td>
</tr>
<tr>
<td class="feature-detail" valign="top" colspan="3">One association at the time
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</div><br><h3><a name="PhotometryFilter"></a>2.1.10 objectType: PhotometryFilter
</h3>
<div align="center">
<table border="1" width="100%" cellspacing="2">
<tr>
<td class="objecttype-title" width="20%">vodml-id</td>
<td class="objecttype-name" colspan="1">PhotometryFilter</td>
</tr>
<tr>
<td class="info-title">description</td>
<td class="feature-detail" colspan="1">Filter class to store ids, name and properties.
</td>
</tr>
<tr>
<td colspan="2">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td colspan="2" bgcolor="#cacaca">
<table width="100%" border="0" cellpadding="3" cellspacing="1">
<tr>