<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Folks,<div><br></div><div>Just a reminder … the HEIG Neutrino meeting is today ..<div><br></div><div><span style="font-family: ArialMT;"> *** Friday, Mar20, @15:00 UTC*** </span></div><div><font face="ArialMT"><br></font></div><div><font face="ArialMT">Here’s the Zoom link:</font></div><div><a href="https://smithsonian.zoom.us/j/97478328416?pwd=ZEpmMnI4RGhrS01pazF5dXBLbEsyZz09">https://smithsonian.zoom.us/j/97478328416?pwd=ZEpmMnI4RGhrS01pazF5dXBLbEsyZz09</a></div><div><br></div><div>Jutta provides some use cases and input below.</div><div><br></div><div>See you there.</div><div>- janet</div><div><br></div><div><div>
<meta charset="UTF-8"><div dir="auto" style="font-family: Arial; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><b>Janet Evans | Software Development Manager | Chandra X-ray Center</b><br>Center for Astrophysics | Harvard & Smithsonian<br>Office: (617) 495-7160 </div><div dir="auto" style="font-family: Arial; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; caret-color: rgb(0, 0, 0); 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<div><br><blockquote type="cite"><div>Begin forwarded message:</div><br class="Apple-interchange-newline"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);"><b>From: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;">Jutta Schnabel via heig <heig@ivoa.net><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);"><b>Subject: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;"><b>[Heig] Next meeting on neutrinos</b><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);"><b>Date: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;">March 20, 2026 at 6:40:28 AM EDT<br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);"><b>To: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;">heig@ivoa.net<br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);"><b>Cc: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;">Steffen Hallmann <steffen.hallmann@fau.de>, Thomas Eberl <thomas.eberl@fau.de><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px;"><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);"><b>Reply-To: </b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;">Jutta Schnabel <jutta.schnabel@fau.de><br></span></div><br><div>
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<div><p>Dear all,</p><p>I still owe you a summary on neutrino data as input for our
discussions later:</p><p><b>Use Cases</b></p><p>You can find four neutrino use cases in our KM3NeT fork of the
ObsCore note here: <a moz-do-not-send="true" href="https://www.google.com/url?q=https://github.com/KM3NeT/HighEnergyObsCoreExt/blob/1ee1f68d16ae312e20dc664f6718ca6f5408e056/UseCases.tex%23L266&source=gmail-imap&ust=1774608042000000&usg=AOvVaw2wWI2OLOVWSvKFtHX9BGtu" class="moz-txt-link-freetext">https://github.com/KM3NeT/HighEnergyObsCoreExt/blob/1ee1f68d16ae312e20dc664f6718ca6f5408e056/UseCases.tex#L266</a></p><p>They cover querying an existing dataset from ANTARES, combining
IRFs from CTA and KM3NeT (a use case where we have the IRFs, but
they are not yet available through the VO), finding neutrinos from
all available experiments for a given point source, and estimating
the neutrino flux from an extended region. For the queries listed
there, these only represent rough guesses, and are basis for
discussion.</p><p><b>KM3NeT VO services</b></p><p>The technical setup for the implementation of the pilot is the
DaCHS server at <a moz-do-not-send="true" href="https://www.google.com/url?q=http://vo.km3net.de&source=gmail-imap&ust=1774608042000000&usg=AOvVaw1-7Atz8XwWLdwSLmCCiEMi">vo.km3net.de</a> and the dataverse
instance holding auxiliary data like IRFs at <a moz-do-not-send="true" href="https://www.google.com/url?q=https://opendata.km3net.de/&source=gmail-imap&ust=1774608042000000&usg=AOvVaw2OC7oJB4b_Qx-M1WkQj8ND">opendata.km3net.de</a>.
For the implementation of the use cases, we are currently stuck
with the problem that our DaCHS version is quite outdated and we
have to upgrade first and move to a new server and containerize
DaCHS before applying the changes required for the use cases. For
the DaCHS inclined, you can find a (yet non-functional) resource
descriptor for the ANTARES data <a moz-do-not-send="true" href="https://www.google.com/url?q=https://git.km3net.de/open-data/voserver/-/blob/obscore/examples/Antares2017/nu.rd&source=gmail-imap&ust=1774608042000000&usg=AOvVaw0GzZGcQx3QTrpd4Ii3Z8kG">here</a>.</p><p>As I am not sure how to proceed with the further implementation
and change requests from the neutrino side, I think it would be
good if we could focus the meeting mostly on the organizational
part - how we interact in the implementation of the use cases, how
this goes together with the ucd discussions and other current
processes around the note - then we might perhaps manage to stay
within the one hour ;)</p><p>See you later!</p><p>Cheers,</p><p>Jutta</p>
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