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Dear colleagues,</div>
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We are pleased to announce <b>Session J05 – Wide-field Radio Astronomy and Survey Science</b>, to be held as part of the
<b>URSI General Assembly and Scientific Symposium (GASS 2026)</b> in Kraków, Poland, from
<b>15–22 August 2026</b>.</div>
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Colleagues interested in contributing to this session are warmly invited to submit an abstract by
<b>25 January 2026</b>.</div>
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Further details on Session J05 are provided below. A complete list of all Commission J (Radio Astronomy) sessions is attached for reference.</div>
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We look forward to your contributions and to an exciting scientific programme.</div>
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Best regards,<br>
Mike</div>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif, serif, EmojiFont; font-size: 18px;"><b>Wide-field radio astronomy and survey science</b></span><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 18px; font-weight: 700;">:</span><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 13.5pt; font-weight: 700;"> Session
J05</span></div>
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<span style="font-weight: 700;">Scientific Session Commission J</span></div>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">We are pleased to announce the session J0X on
</span><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif, serif, EmojiFont; font-size: 15px; color: rgb(36, 36, 36);"><b>Wide-field radio astronomy and survey science
</b></span><span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">that will be held in the next edition of the URSI General Assembly and Scientific Symposium (GASS) in Kraków, Poland on August 15 - 22, 2026. Please refer to the
conference website </span><span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(0, 0, 255);"><a style="color: rgb(0, 0, 255); text-decoration: none; margin: 0px;" data-linkindex="0" data-auth="NotApplicable" originalsrc="https://www.ursi-gass2026.pl/" title="Original URL: https://www.ursi-gass2026.pl/. Click or tap if you trust this link." class="OWAAutoLink" id="OWA0cfe8277-99dc-2cd8-e9ec-46b41277c0e4" href="https://url.au.m.mimecastprotect.com/s/hl5ZCP7LAXfNB65MxczfOHxM5lm?domain=ursi-gass2026.pl/">https://www.ursi-gass2026.pl/</a></span><span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">,
for further details on the GASS.</span></p>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36); font-weight: 700;">Rationale</span></p>
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Wide-field radio astronomy has now firmly entered the era of large-scale surveys and transformational discoveries. Pathfinders and precursors such as ASKAP, MeerKAT, LOFAR, MWA, and uGMRT have delivered deep, wide-area maps of the radio sky, uncovering millions
of new sources and revealing unexpected structures such as odd radio circles, new supernova remnants, and giant radio galaxies. At the same time, major survey projects (EMU, WALLABY, MALS, LoTSS, GLEAM-X) are producing second-generation data releases that
combine sensitivity and sky coverage at unprecedented levels. These advances have already enabled precision cosmological measurements and the discovery of rare classes of faint, extended sources.</div>
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<span style="color: rgb(47, 85, 151);">T</span><span style="color: rgb(36, 36, 36);">echnological development in radio astronomy is accelerating. Upgrades such as LOFAR2.0, MeerKAT+, and new phased-array feeds at Parkes and ASKAP are significantly expanding
both field of view and frequency coverage. Meanwhile, emerging facilities like the DSA-2000 are being designed as purpose-built survey engines. Collectively, these advancements are laying the groundwork for the SKA and ngVLA, ensuring a smooth scientific and
technical transition into the next decade of radio astronomy.</span></div>
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We aim to bring together researchers bridging engineering and astrophysics to discuss the optimal exploitation of these wide-field surveys, the lessons from ongoing upgrades, and the future perspectives on survey design and technology.</div>
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The key points that the session will address are:</div>
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<div style="margin: 1em 0px;" role="presentation" class="elementToProof">Scope, depth and design of ongoing or planned wide-area radio continuum and spectral line surveys, and their emerging scientific results</div>
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<div style="margin: 1em 0px;" role="presentation" class="elementToProof">Progress in time-domain surveys using wide-field multi-beaming in a survey context</div>
</li><li style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">
<div style="margin: 1em 0px;" role="presentation" class="elementToProof">Observing and analysis strategies for exploiting large-area datasets, including new wide-field imaging methods</div>
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<div style="margin: 1em 0px;" role="presentation" class="elementToProof">New wide-field radio astronomy technology, including upgraded receivers, correlators, phased-array feeds, aperture arrays, and dedicated survey facilities</div>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36); font-weight: 700;">Abstract Submission</span></p>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">Please submit your presentation abstract using the following link:
</span><span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(0, 0, 255);"><a style="color: rgb(0, 0, 255); text-decoration: none; margin: 0px;" data-linkindex="1" data-auth="NotApplicable" originalsrc="https://www.ursi-gass2026.pl/" title="Original URL: https://www.ursi-gass2026.pl/. Click or tap if you trust this link." class="OWAAutoLink" id="OWAe99e3574-bd94-6550-22be-ebf40eb76448" href="https://url.au.m.mimecastprotect.com/s/hl5ZCP7LAXfNB65MxczfOHxM5lm?domain=ursi-gass2026.pl/">https://www.ursi-gass2026.pl/</a></span></p>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36); font-weight: 700;">The deadline for abstract submission is January 25th, 2026.</span></p>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">In the submission process, please select J03 as the Session Topic within the J Commission. </span></p>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">Looking forward to meeting you in Krakow and Season’s Greetings!</span></p>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">On behalf of the URSI GASS Organising Committee,</span></p>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">Co-convenors of the session on
</span><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif, serif, EmojiFont; font-size: 15px; color: rgb(36, 36, 36);">Wide-field radio astronomy and survey science</span></p>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">Isabella Prandoni</span></p>
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<span style="font-family: "Segoe UI", "Segoe UI Web (West European)", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 15px; color: rgb(36, 36, 36);">Michael Kriele</span></p>
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<span style="font-family: arial, sans-serif; font-size: 15px; color: rgb(36, 36, 36);">Betsy Adams</span></p>
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<p style="margin: 0cm;" class="elementToProof"><span style="font-family: Arial, sans-serif; font-size: 12pt; color: rgb(29, 34, 120);"><b>Dr Michael Kriele</b></span><span style="font-family: Calibri, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> </span></p>
<p style="margin: 0cm 0px;" class="elementToProof"><span style="font-family: Arial, sans-serif; font-size: 12pt; color: rgb(29, 34, 120);"><b>Research Fellow | SKA-MID Synchronisation and Timing Project Lead - UWA</b></span></p>
<p style="margin: 0cm 0px;" class="elementToProof"><span style="font-family: Arial, sans-serif; font-size: 12pt; color: rgb(59, 59, 61);">ICRAR (Ken & Julie Michael Building)</span><span style="font-family: Arial, sans-serif; font-size: 12pt; color: rgb(29, 34, 120);">
• </span><span style="font-family: Arial, sans-serif; font-size: 12pt; color: rgb(59, 59, 61);"> 7 Fairway, Crawley WA 6009 Australia</span></p>
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<span style="color: rgb(29, 34, 120);"><b>T </b></span><span style="color: rgb(59, 59, 61);">+61 8 6488 1041</span><span style="color: rgb(29, 34, 120);"> •
</span><span style="color: rgb(59, 59, 61);"> </span><span style="color: rgb(29, 34, 120);"><b>E
</b></span><span style="color: rgb(0, 0, 0);"><a style="margin: 0px;" class="OWAAutoLink" id="OWA5f8ca0a5-837b-7c13-4908-0e5cd5e2f291" href="mailto:mike.kriele@uwa.edu.au">mike.kriele@uwa.edu.au</a></span></div>
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