<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><br class=""></div><div class="">Thanks a lot Mireille.</div><div class=""><br class=""></div><div class="">I briefly checked and noticed that the phot.ADU new UCD did not make it into the new list.</div><div class=""><br class=""></div><div class="">phot.ADU is mentioned in a file part of the ObsCore v1.1 specifications (see B.6.4.1): </div><div class=""><a href="http://wiki.ivoa.net/internal/IVOA/ObsTap/ListForObservable25Oct2010.pdf" style="color: rgb(149, 79, 114); font-family: Calibri; font-size: 15px; text-indent: -24px;" class="">http://wiki.ivoa.net/internal/IVOA/ObsTap/ListForObservable25Oct2010.pdf</a></div><div class=""><br class=""></div><div class="">So, either </div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>a. it becomes an official UCD,</div><div class="">or </div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>b. it needs to be removed from the ListForObservable25Oct2010.pdf </div><div class=""><br class=""></div><div class=""><div class="">Personally I’m undecided whether it is better to use phot.ADU or phot.flux.density;stat.uncalib (in my case).</div><div class="">Some use phot.count to mean phot.ADU, but that is wrong given that phot.count is a real physical measurements: the number of photons detected,</div><div class="">and not just a number of counts yet to be calibrated to make sense of it...</div></div><div class=""><br class=""></div><div class="">Many thanks,</div><div class="">Alberto</div><div class=""><br class=""></div><div class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 09 May 2017, at 20:40, Mireille Louys <<a href="mailto:mireille.louys@unistra.fr" class="">mireille.louys@unistra.fr</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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<font face="Times New Roman, Times, serif" class="">Dear Semantics followers,
<br class="">
</font><br class="">
<font face="Times New Roman, Times, serif" class="">A new version of the UCD
terms, has been uploaded to the IVOA document repository. Check </font><br class="">
<a moz-do-not-send="true" href="http://www.ivoa.net/documents/UCD1+/20170502/index.html" class=""><font face="Times New Roman, Times, serif" class="">http://www.ivoa.net/documents/UCD1+/20170502/index.html</font></a><br class="">
<font face="Times New Roman, Times, serif" class=""><br class="">
It contains a new paragraph about combination rules and new set of
terms as required by various astronomical community members.</font><br class="">
<font face="Times New Roman, Times, serif" class="">Recent terms are
highlighted in yellow to allow you to easily spot the new defined
terms. <br class="">
Terms in green have been already discussed on the list but are not
yet included in the standard. </font><br class="">
<font face="Times New Roman, Times, serif" class=""><br class="">
Your comments will be very welcome. <br class="">
The next step is the launching of the Semantic group review, but I
prefer to inform you all as this may impact different IVOA working
groups.<br class="">
<br class="">
Best regards, <br class="">
Mireille Louys, Semantics Group chair </font>
<pre class="moz-signature" cols="72">--
Mireille Louys,
CDS IPSEO, MIV, Laboratoire Icube
Observatoire de Strasbourg Telecom Physique Strasbourg
11 rue de l'Université 300, Bd Sebastien Brandt CS 10413
F- 67000-STRASBOURG F-67412 ILLKIRCH Cedex
tel: +33 3 68 85 24 34</pre>
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