<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear TDIGers, <br class=""><br class=""><div class="">Last week during the Paris IVOA interop we saw lots of interesting things related to Time Domain! </div><div class=""><br class=""></div><div class="">You can find all the Time Domain related presentations under: </div><div class=""><div class=""><a href="https://wiki.ivoa.net/twiki/bin/view/IVOA/InterOpMay2019TDIG" class="">https://wiki.ivoa.net/twiki/bin/view/IVOA/InterOpMay2019TDIG</a></div><div class=""><br class=""></div><div class=""><div class=""><div class="">And the closing remarks under: </div></div><div class=""><a href="https://wiki.ivoa.net/internal/IVOA/InterOpMay2019PlenaryTCG/TDIG_Closing2019A.pdf" class="">https://wiki.ivoa.net/internal/IVOA/InterOpMay2019PlenaryTCG/TDIG_Closing2019A.pdf</a></div><div class=""><br class=""></div><div class="">Looking forward to seeing you again for yet another productive interop meeting in Groningen,</div><div class=""><div class="">Ada for the TDIG</div></div><div class=""> </div><div class="">===============================================================================</div><div class=""><br class=""></div><div class="">A summary of things we saw during the meeting:</div><div class="">+ TIMESYS in VOTable1.4 </div><div class=""> - There are implementations in services: VizieR in beta and GAVO)</div><div class=""> - There are implementations in clients too: Topcat, Stilts, SPLAT</div><div class=""> - VOTable1.4 in validator: votlint </div><div class=""> - Discussion about the case "refposition=TOPOCENTER” since it is not specific enough for clients to fully exploit it. </div></div><div class="">+ Space-Time MOCs: </div><span class=""><div class=""> - Coverage in Space and Time of any image collection or catalog containing positions and time<br class=""></div><div class=""> - Filter catalogs by intersection of Space-Time MOCs <br class=""></div><div class=""> - IVOA note is ready (Durand, Fernique, Nebot et al. 2019) <a href="http://ivoa.net/documents/stmoc/index.html" class="">http://ivoa.net/documents/stmoc/index.html</a></div></span><span class=""><div class=""> - Proto for tests: <a href="http://aladin.u-strasbg.fr/java/stmoc/index.html" class="">http://aladin.u-strasbg.fr/java/stmoc/index.html</a> </div></span><div class=""><div class="">+ VOEvents: </div><div class=""> - Baptiste is one of the editors of VOEvent. We will work together to take feedback from community into account (FRBs and SSIG cases). </div></div></div><div class=""> - Discussions over how to make VOEvents services and streams discoverable.</div><div class=""><br class=""></div><div class="">A list of things we will keep on working until Groningen: </div><span class=""><div class="">+ TimeSeriesDM: </div><div class=""> - Explore how the current status of the data model is able to describe ZTF-DR1 products (Objects Table, lightcurves, single-epoch images, quality flags)</div><div class="">+ ST-MOC: </div><div class=""> - Work with data providers to precompute STMOCs: VizieR catalogs and HiPS, and for solar system body ephemeris — work close to SSIG for that. </div><div class=""> - Ingest in CDS MocServer: => clients can resource by Space-Time. </div><div class=""> - Create library in python and add to mocpy. </div><div class=""> - Do we need a standard IVOA 2.0 MOC for SMOC, TMOC and STMOC? </div><div class=""> - VO registry coverage by STMOC? Work with registry for that. </div><div class="">+ Work with Semantics to improve discovery and client use of: </div><div class=""> - VOEvents services and streams (What and where)</div><div class=""> - Time Series as distributed by datalink (data product (sub)type)<br class=""></div><div class=""> - Get the refposition case of topocenter started for TIMESYS in VOTable1.4<br class=""></div><br class=""></span><span class="">As you can see the week was a busy and productive one! </span></body></html>