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<p class="MsoNormal"><span style="font-size:11.0pt">As a host institution for the Las Cumbres Observatory (LCO) global network of telescopes, ANU is entitled to a share of the network's observing time, which it is making available to all Australian astronomers.
The closing date for observing proposals for the 2023B semester (<u>from 1 August 2023 to 31 January 2024</u>) will be <b>12noon AEDT, Thursday, 15 June 2023. </b><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">From the 2023B semester, there is no limitation on the fraction of time allocated to proposals led by Australians outside of ANU. However, under the ongoing ANU host agreement with LCO, at least half of the
overall Australian time will consist of contributions to LCO Key Projects (see <a href="https://protect-au.mimecast.com/s/IJZVC71R2NTzQw4JDU82FnH?domain=lco.global/">https://lco.global/science/keyprojects/</a> ). Thus, proposals to support the new LCO Key Projects are strongly encouraged, but
will be assessed on scientific merit like any other proposal. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Based on recent weather trends, LCO has revised the amount of available time. ANU's time for 2023B will be 75 hours on the 2m telescopes, 225 hours on the 1m telescopes, and 200 hours on the 0.4m telescopes.
Note that this access can utilise any of the two 2m telescopes, thirteen 1m telescopes, or ten 0.4m telescopes in the entire LCO global network. During the 2023B semester, LCO will replace the 'Spectral' imager on the Siding Spring 2m telescope with the MuSCAT4
multi-channel imager (a copy of the MuSCAT3 at Haleakala), and will continue replacing the 0.4m telescopes and their SBIG cameras with new Planewave telescopes and QHY600 cameras. Please find further details, exposure time calculators, and target visibility
calculators in the official LCO CfP at <a href="https://protect-au.mimecast.com/s/l-vMC81V0PTXzEDKoC1gdup?domain=lco.global/">https://lco.global/news/call-for-proposals-2023b/</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Proposed observations can use any of the three observing modes: standard queue-scheduled, Time Critical, and Rapid Response. All proposals that request Time Critical or Rapid Response time will be technically
reviewed by LCO. <u>The proposals must explicitly justify the need for TC/RR time.</u> LCO will work with the PIs to make any changes to the queue/TC/RR allocations if it is determined that the science can be done with less restrictive scheduling modes. Proposals
lacking justification will automatically get standard queue-mode observations.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Proposals will be assessed on scientific merit by the ANU TAC, taking into account that the Australian PI must be a significant team member. Note that this is not a call for Key Projects and any proposal that
appears to compete with a Key Project would need to justify why it is different. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt">A maximum 2-page scientific and technical justification should be sent to</span></b><span style="font-size:11.0pt"> <a href="mailto:lco_proposals@mso.anu.edu.au">lco_proposals@mso.anu.edu.au</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">In addition, list on a separate page:<o:p></o:p></span></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoNormal" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Proposers and institutions.<o:p></o:p></span></li><li class="MsoNormal" style="margin-left:0cm;mso-list:l0 level1 lfo1"><u><span style="font-size:11.0pt">NEW: E-mail address of the PI (an LCO-registered e-mail, if available).</span></u><span style="font-size:11.0pt"><o:p></o:p></span></li><li class="MsoNormal" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Whether the data is an important part of a PhD thesis.<o:p></o:p></span></li><li class="MsoNormal" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Requested telescope(s) and instrument(s).<o:p></o:p></span></li><li class="MsoNormal" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Requested number of (integer) hours in each observing mode (queue/TC/RR) <b><u>for each telescope/instrument</u></b>, and minimum useful allocation. <o:p></o:p></span></li><li class="MsoNormal" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">An estimate of how much time is required beyond this semester.<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Please contact <a href="mailto:christopher.onken@anu.edu.au">Christopher Onken</a> if you have any questions about LCO, or ANU's access to the network.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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