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<body style="font: 10pt/normal Segoe UI; font-size-adjust: none; font-stretch: normal;"><div class="GroupWiseMessageBody" id="GroupWiseSection_1643880557000_elpenhof@astron.nl_28E1F8D0171500008001DA0021002D00_"><div><p id="docs-internal-guid-57324a77-7fff-2bbf-573d-b1cc9ed6a238" style="text-align: center; line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">International LOFAR Telescope</span></p><p style="text-align: center; line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Proposal Call to the Worldwide Community </span></p><p style="text-align: center; line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> </span></p><p style="text-align: center; line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Cycle 18: 01 June 2022 – 30 November 2022</span></p><p style="text-align: center; line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Submission deadline Wednesday 09 March 2022, 12 UT</span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> </span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Submission only via the online tool </span><a id="Nav_a76845854a4dc36837a4c99ed191674f" style="text-decoration: none;" contenteditable="false" href="https://lofar.astron.nl/proposal"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">NorthStar</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">. </span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">** Proposers must ensure their justification files adhere to the instructions given in Northstar, including restrictions on formats and proposal length, repeated online </span><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-lofar/observing-proposals/justification-file-instructions/instructions-j"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">here</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">. ** </span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> </span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">WORLD-WIDE ACCESS: </span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Time on the ILT is available to scientists from the worldwide community. The single-cycle 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></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">SINGLE-CYCLE ONLY</span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">: For Cycle 18, only single-cycle proposals are invited in any supported general-user mode. Single-cycle projects should achieve their science goals with an allocation only in the upcoming semester (1 June 2022 - 30 November 2022). Proposals to supplement Long-Term science already reviewed following previous deadlines are not eligible for the present call; pursuit of follow-up science related to results already in hand may be proposed.</span></p><br><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">LST AND OTHER RESOURCE AVAILABILITY: </span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: italic; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">LST availability: </span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">The availability of observing time as a function of LST after taking into account the already active long-term projects is presented </span><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-lofar/observing-proposals/lst-availability-during-cycles-18/lst-availabi"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">online</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">. Some further limitations due to tentative allocations made to Long Term proposals are not shown, since the ILT-PC may still tension off the merits of Cycle 18 proposals for that time.</span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: italic; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Processing time and/or data storage capacity</span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">: These can be limiting resources. Each proposal must request processing time to match the observing time within appropriate documented ratios (see documentation </span><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-capabilities/depth-technical-information/major-observing-modes/major-obs"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">online</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">), or should justify how processing will proceed elsewhere.</span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: italic; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Support staff effort </span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">required to support the proposed projects is taken into account during allocation. An </span><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-lofar/observing-proposals/support-load-instructions/support-load-instruc"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">online</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> tool is available to understand whether a proposal entails a low, medium, or high support load of the Science Data Centre Operations 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><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-lofar/observing-proposals/support-load-instructions/support-load-instruc"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">online</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> 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></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: italic; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Priority classes:</span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> 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; roughly half in each. 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.</span></p><br><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">SYSTEM CAPABILITIES</span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">: 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><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/astronomers/technical-information/lofar-technical-information"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">online</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">. Note the restrictions on functionalities offered in Cycle 18, as described in</span><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-lofar/observing-proposals/observing-capabilities-cycle-18/availability-o"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> </span><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">this page</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">. </span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Proposals should request only the available system observing modes and functionalities described </span><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-lofar/observing-proposals/observing-capabilities-cycle-18/availability-o"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">online</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">.</span></p><br><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">CO-OBSERVING OPTION FOR STANDARD HBA OR LBA IMAGING WITH LOFAR SKY SURVEYS: </span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">the possibility is offered to carry out imaging in co-observing mode with the LOFAR Survey projects, 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 (see details </span><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-proposals/co-observing-surveys-ksp-team/co-observing-surveys-ksp-team"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">here</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> for HBA and </span><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-lofar/observing-proposals/lba-co-observing-strategy/lba-co-observing-str"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">here</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> for LBA). </span></p><br><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">PILOT PREFACTOR PROJECT</span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">: ASTRON is currently implementing in production </span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: italic; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Prefactor</span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">, 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><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-lofar/observing-proposals/pilot-prefactor-pipeline-cycle-18/pilot-prefac"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">online</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">. While Prefactor cannot yet be widely offered in Cycle 18, we will select a sample of appropriate projects that will be given the opportunity to obtain data products processed through this pipeline. In this respect, </span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: italic; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">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.</span></p><br><br><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">FURTHER PROPOSAL REQUIREMENTS</span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">: </span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">● 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><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">If the stated minimum time or other requirements cannot be allocated, the proposal will not be carried out at all.</span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">● 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.</span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">● Proposers are required to verify whether any relevant data are already available in the </span><a style="text-decoration: none;" href="https://lta.lofar.eu/"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">LOFAR Long Term Archive</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">. </span></p><br><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">OBTAINING ADVICE</span><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">: In view of the novel and evolving character of the ILT, proposers are strongly urged to get in contact with Science Data Center Operations through the </span><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/submit-support-request/jira-sdc-helpdesk-ticketing-system"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">JIRA helpdesk</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> 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.</span></p><br><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">The Science Data Centre Operations group will explore the possibility for a few users unfamiliar with the reduction of LOFAR data to come to ASTRON (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 Horizon-Europe ORP project. Further details are given </span><a style="text-decoration: none;" href="http://old.astron.nl/radio-observatory/observing-proposals/radionet-transnational-access-programme/radionet-transnational"><span style="color: rgb(28, 74, 115); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap; background-color: transparent; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none;">online</span></a><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">. </span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;"> </span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Dr. R.C. Vermeulen </span></p><p style="line-height: 1.38; margin-top: 2pt; margin-bottom: 4pt;" dir="ltr"><span style="color: rgb(34, 75, 144); font-family: Verdana; font-size: 8pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap; background-color: transparent;">Director, International LOFAR Telescope</span></p><br></div></div></body></html>