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<p align="center" style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in;text-align:center">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">International LOFAR Telescope</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p align="center" style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in;text-align:center">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Proposal Call to the Worldwide Community<span class="apple-converted-space"> </span></span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p align="center" style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in;text-align:center">
<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></p>
<p align="center" style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in;text-align:center">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">NOTE: Proposal call covers 12 months<o:p></o:p></span></b></p>
<p align="center" style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in;text-align:center">
<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> <o:p></o:p></span></p>
<p align="center" style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in;text-align:center">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Cycle
</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">20</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">: 01
</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">June</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> 202</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">3</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">
– </span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">31</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">
</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">May 2024</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p align="center" style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in;text-align:center">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Submission deadline Wednesday<span class="apple-converted-space"> </span></span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">08</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">
</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">March</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> 202</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">3</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">,
12 UT</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> <o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Submission only via the online tool<span class="apple-converted-space"> </span></span><a href="https://lofar.astron.nl/proposal" target="Opens in new window: https://lofar.astron.nl/proposal"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">NorthStar</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">. <o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">** Proposers must ensure their justification files adhere to the instructions given in Northstar, including restrictions on formats and proposal length, repeated online<span class="apple-converted-space"> </span></span><a href="https://science.astron.nl/telescopes/lofar/observing-with-lofar/regular-proposals/instructions/#justification_file_prep"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">here</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">.
**<span class="apple-converted-space"> </span><o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> </span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">12 MONTH PERIOD</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">:
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">This
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Cycle
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">20 proposal call will fill the entire 12-month period 01 June 2023 – 31 May 2024. After this “last full LOFAR1 observing window”, significant temporary impact is expected from
LOFAR2.0 upgrade activities; in due course further announcements are envisaged for restricted observing opportunities until LOFAR2.0 operations commence. In order to optimize any and all science projects until 1 June 2024, Cycle 20 proposals may request any
amount of observing time with any scheduling parameters (day/night, LST windows, calendar dates, etc.), and with the appropriate associated processing and data storage. It is imperative to list and justify minimum allocations, which will be taken as thresholds
for scheduling. For reference: it is expected that 2750 hours of observing can be scheduled in Priority A, plus 3300 hours in Priority B (classes explained below)<s>.</s> Proposals may entail continuation and follow-up of earlier work, or new projects, but
must be observable entirely within the 12 month period of Cycle 20.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">WORLD-WIDE ACCESS:<span class="apple-converted-space"> </span></span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Time on the ILT is available to
scientists from the worldwide community. The time offered in this call is allocated in tandem between National Consortia and the ILT-PC. Scientific excellence and breadth as well as the technical strength of the proposals are taken along in the evaluations.
The ILT-PC will define restricted data access rights (default period 1 year) based on the specific science goals and arguments in the proposal. Other groups may be allocated simultaneous access for different science.<span class="apple-converted-space"> </span><o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></b></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">RESOURCE AVAILABILITY:<span class="apple-converted-space"> </span></span></b><span class="apple-converted-space"><o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<span class="apple-converted-space"><i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">LST availability:
</span></i></span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">The availability of observing time as a function of LST is presented<span class="apple-converted-space"> </span></span><a href="https://science.astron.nl/telescopes/lofar/observing-with-lofar/regular-proposals/upcoming-cycle/#lst_available"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">online</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">.</span><o:p></o:p></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Station availability:
</span></i><i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> </span></i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">during Cycle 20, CS001 will remain a LOFAR2.0 test station and CS032 an IDOLS test
station. Therefore, these will not participate to Cycle 20 observations. Two more NL Core stations will be upgraded during Cycle 20 for initial LOFAR2.0 testing, likely in January 2024. From that moment and for the remainder of the Cycle, these stations will
not participate to production observations. These additional stations will be selected in the next few months. To help assess the feasibility of the projects and plan the Cycle 20 schedule, proposers should clearly specify in their proposal if and which stations
they regard as essential for their projects.<u><o:p></o:p></u></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Processing time and/or data storage capacity</span></i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">: These can be limiting resources.
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Each proposal must request processing time to match the observing time within appropriate documented ratios (see documentation<span class="apple-converted-space"> </span></span><a href="https://science.astron.nl/telescopes/lofar/lofar-system-overview/observing-modes/"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">online</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">),
or should justify how processing will proceed elsewhere.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<span class="apple-converted-space"><i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Support staff effort
</span></i></span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">r</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">equired
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">to
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">support<span class="apple-converted-space"> </span>the proposed projects is considered during allocation. An<span class="apple-converted-space"> </span></span><a href="https://support.astron.nl/support_estimator/"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">online</span></a><span class="apple-converted-space"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> </span></span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">tool
is available to understand whether a proposal entails a low, medium, or high support load of the
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Science Data Centre Operations
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">staff. During the allocation process, the ILT-PC will be advised about the amounts of support effort requested and available, and these will be used as boundary conditions for
proposal allocations; support will be treated as a scarce resource in the same way as has become customary on LOFAR for processing and data storage resources. Advice is available<span class="apple-converted-space"> </span></span><a href="https://science.astron.nl/telescopes/lofar/observing-with-lofar/regular-proposals/instructions/#support_load"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">online</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">on how proposers can reduce the support load of their project by a prudent choice of observing mode. The proposal may also indicate that the support will be carried out by members
of the proposing team; in that case, both the expertise and the work plan must be carefully argued in the proposal.<span class="apple-converted-space"> </span><o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Priority classes:</span></i><span class="apple-converted-space"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> </span></span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Due
to ongoing upgrade work, system availability and stability will vary with time. The ILT-PC will classify observing allocations as A and/or B priority time</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">; roughly half in each</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">.
Allocations in A priority will have a high likelihood to yield a successful observation; in case such an observation suffers substantial failures, it will be repeated (once) at a later date. Allocations in priority B will likely be realized partially; they
are carried out on a best-efforts basis, where the total of all priority B allocations requires an optimistic availability scenario.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">SYSTEM CAPABILITIES</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">: The ILT is a powerful radio telescope for frequencies below 240 MHz that
offers state-of-the-art observing capabilities thanks to its phased-array technology with digital beam-forming. LOFAR delivers correlated visibility data for synthesis imaging, plus (in)coherently-added single and multiple station data (several beam-formed
modes) as well as transient buffer read-out, for example for studies of pulsars, transients, and cosmic rays. LOFAR capabilities are described in detail<span class="apple-converted-space"> </span></span><a href="https://science.astron.nl/telescopes/lofar/lofar-system-overview/technical-specification/"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">online</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">.
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">T</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">he functionalities offered in Cycle
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">20 are</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> described in
</span><a href="https://science.astron.nl/telescopes/lofar/observing-with-lofar/regular-proposals/upcoming-cycle/"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">this page</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">.</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">
These have progressed since Cycle 19. </span><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Proposals should request only th</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">e</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">
available system observing modes and functionalities</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">.</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">
</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">If you are unsure about the validity of your desired setup, please contact
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">the Science Data Centre Operations group</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> through the
</span><a href="https://support.astron.nl/jira/servicedesk/customer/portal/7"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif">Helpdesk</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> by 22
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">F</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">ebruary so
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">it can be verified on</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> time
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">before</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> the proposal
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">deadline</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">CO-OBSERVING OPTION FOR STANDARD HBA OR LBA IMAGING WITH LOFAR SKY SURVEYS:
</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">the possibility is offered
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">to carry out imaging in
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">co-observing
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">mode
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">with the LOFAR Survey project</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">s, in their standard operating mode. This has the advantage for
co-observing PIs that calibration and standard imaging are a routine process under guidance by the survey teams</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> (see details<span class="apple-converted-space"> </span></span><a href="https://science.astron.nl/telescopes/lofar/observing-with-lofar/regular-proposals/upcoming-cycle/#HBA_Co-observing"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">online</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">).<span class="apple-converted-space"> </span></span><span class="apple-converted-space"><o:p></o:p></span></p>
<p style="mso-margin-top-alt:2.25pt;margin-right:0in;margin-bottom:3.75pt;margin-left:0in">
<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"><o:p> </o:p></span></b></p>
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<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">PILOT
</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">LINC</span></b><b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> PROJECT</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">:
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">The ILT</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> is currently implementing in production<span class="apple-converted-space"> </span></span><i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">LINC</span></i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">,
the direction-independent calibration pipeline, which produces direction-independent calibrated visibilities and wide-band images of the target field, and diagnostic plots. Details about this pipeline, including its performance, are given<span class="apple-converted-space"> </span></span><a href="https://science.astron.nl/telescopes/lofar/observing-with-lofar/regular-proposals/upcoming-cycle/#LINCpilot"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">online</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">.
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Currently, the pipeline in only available at HBA frequencies.
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">While
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">LINC</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> cannot yet be widely offered in Cycle
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">20</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">, we will select a sample of appropriate
</span><i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">HBA</span></i><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">projects that will be given the opportunity to obtain data products processed through this pipeline. In this respect,<span class="apple-converted-space"> </span><i>PIs who are
interested in taking advantage of this option for the reduction of their data should clearly indicate that in the technical justification of their proposals.</i><o:p></o:p></span></p>
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<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> <o:p></o:p></span></p>
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<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">FURTHER PROPOSAL REQUIREMENTS</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">:<span class="apple-converted-space"> </span><o:p></o:p></span></p>
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<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">● For all proposals, the technical case must argue both the optimal and the minimal required total amount of time and other resources (and any requirements on cadence or time span).<span class="apple-converted-space"> </span><b><u>If
the stated minimum time or other requirements cannot be allocated, the proposal will not be carried out at all.</u></b><o:p></o:p></span></p>
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<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">●
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Proposals for multiple observations must list and argue the preferred priority order; this will be considered by the ILT-PC along with other factors in making (possibly partial)
allocations.<o:p></o:p></span></p>
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<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">●
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Proposers are required to verify whether any relevant
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">data
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">are</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> already available in the<span class="apple-converted-space"> </span></span><a href="https://lta.lofar.eu/" target="Opens in new window: https://lta.lofar.eu/"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">LOFAR
Long Term Archive</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">.<span class="apple-converted-space"> </span><o:p></o:p></span></p>
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<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> <o:p></o:p></span></p>
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<b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">OBTAINING ADVICE</span></b><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">: In view of the
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">specialised</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> and evolving character of the ILT, proposers are strongly urged to get in contact
with Science Data Center Operations through the<span class="apple-converted-space"> </span></span><a href="https://support.astron.nl/jira/servicedesk/customer/portal/7"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif">SDC Helpdesk</span></a><span class="apple-converted-space"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> </span></span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">well
ahead of the deadline. Novice groups may wish to seek or request to be connected to suitable collaborators, and should also consider keeping the scope of initial projects modest while they become familiar with the complexities of data handling and analysis.<o:p></o:p></span></p>
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<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> <o:p></o:p></span></p>
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<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">The Science Data Centre Operations group</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> will explore the possibility for a few users unfamiliar with
the reduction of LOFAR data to come to </span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">ASTRON</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> (or have online interaction) for assistance with
this. If this is desired, it must be specified in the proposal. Limited travel subsidies for eligible users can be supported through the
</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Horizon-</span><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Europe ORP project. Further details are given<span class="apple-converted-space"> </span></span><a href="https://science.astron.nl/telescopes/lofar/observing-with-lofar/regular-proposals/upcoming-cycle/#ORP_Transnational_access"><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">online</span></a><span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">.<span class="apple-converted-space"> </span><o:p></o:p></span></p>
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<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black"> <o:p></o:p></span></p>
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<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Dr. R.C. Vermeulen<span class="apple-converted-space"> </span><o:p></o:p></span></p>
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<span style="font-size:8.0pt;font-family:"Verdana",sans-serif;color:black">Director, International LOFAR Telescope<o:p></o:p></span></p>
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