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ATNF Science Priorities 2010-2015: Maximize Impact, Expand Knowledge

This document outlines the science priorities for the ATNF facilities from 2010-2015. It includes international context, high-impact science, specific requirements, and priorities. The document will be released in multiple stages, with opportunities for community input.

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ATNF Science Priorities 2010-2015: Maximize Impact, Expand Knowledge

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  1. ATNF Science Priorities: 2010 – 2015 Ball, Braun, Edwards, Feain, Hobbs, Johnston, McClure-Griffiths

  2. Science Planning for 2010 – 2015 Science directions for ATNF facilities • International Context • Likely high impact science • Specific requirements • Priorities • A year in the life Process • ASA presentation: week of 7 July • Science road-show: week of 21 July • Documents v1 released: 8 August • Web forum: through mid-September • Documents v2 prepared: 10 October • ATSC review: 15/16 October • Documents v3 release: late October • Future ATNF Operations paper to CSIRO Executive: November • ATNF Operations v3 (including detailed planning): December CSIRO - ATNF: Science Priorities 2010-2015

  3. Science Planning for 2010 – 2015 • Bear 2010 – 2015 time-frame in mind • Recall priority of: • Delivering ASKAP • Operating all ATNF facilities with sustainable budget • Focus on- and exploit complementarities • Only modest up-grades likely practical, but don’t stop innovative thinking! • Extensive community (national and international) input incorporated CSIRO - ATNF: Science Priorities 2010-2015

  4. ASKAP Priority Science 2010 – 2015 • Understanding galaxy formation and gas evolution in the nearby Universe through extragalactic HI surveys; • The characterization of the radio transient sky through detection and monitoring (including VLBI) of transient and variable sources; • Determining the evolution, formation and population of galaxies across cosmic time via high resolution, confusion limited, continuum surveys; • Exploring the evolution of magnetic fields in galaxies over cosmic time through polarization surveys. CSIRO - ATNF: Science Priorities 2010-2015

  5. ATCA & Mopra Priority Science 2010-2015 • Star Formation; • Understanding the Magnetic Universe; • Understanding the Variable Sky; • Interstellar Gas In and Around the Milky Way and Nearby Galaxies; • The Evolution of Galaxies at High Redshift. CSIRO - ATNF: Science Priorities 2010-2015

  6. Parkes Priority Science 2010 - 2015 • Pulsar science (timing and searching); • Surveys for Diffuse emission; • Star formation studies. CSIRO - ATNF: Science Priorities 2010-2015

  7. LBA Priority Science 2010 – 2015 • The structure of our Galaxy; • Local Group proper motions; • Understanding the variable sky; • Megamaser cosmology; • Jet motions; • Pulsar proper motions and parallaxes. CSIRO - ATNF: Science Priorities 2010-2015

  8. Complimentary Capabilities • Galaxy formation and gas evolution in the nearby universe • ASKAP will survey large numbers of HI galaxies in the nearby universe to understand galaxy formation and evolution to z<1. • Parkes will provide the extremely large-scale context of diffuse intergalactic material between galaxies, and crucial large-scale information for combination with ATCA interferometric data. • ATCA will provide context of galaxy formation and gas evolution from diffuse interstellar mapping of the Milky Way and nearby galaxies, extended disks, intergalactic gas. CSIRO - ATNF: Science Priorities 2010-2015

  9. Complimentary Capabilities • Pulsar science • Parkes will conduct large area surveys and undertake regular high precision timing of millisecond pulsars and general timing on regular pulsars. • LBA will provide information on proper motions and distances. • ASKAP will ultimately provide precision timing and a wide-field survey capability once the technical and computing challenges are overcome. • ATCA and Mopra are not expected to have major roles in pulsar science. CSIRO - ATNF: Science Priorities 2010-2015

  10. Complimentary Capabilities • Star formation • ATCA will provide detailed studies of star forming regions and the dense interstellar gas in the centimetre, 12-mm and 7-mm bands. • Mopra will specialise in large surveys at 3, 7, & 12 mm to be used for defining ATCA and ALMA samples. Mopra will also provide the large-scale interstellar medium context through millimetre surveys that make use of its large bandwidth. • Parkes will probe star formation processes through studies of masers. • LBA studies of maser internal motions will probe the evolution of star formation. • ASKAP is not expected to have a significant role in Galactic star formation studies. CSIRO - ATNF: Science Priorities 2010-2015

  11. Complimentary Capabilities • Galaxy evolution and population studies across cosmic time • ASKAP will measure population statistics of AGN and star-forming galaxies through deep, confusion limited all-sky surveys at 1.4 GHz. • ATCA will be crucial in measuring the spectral energy distribution of AGN and star-forming galaxies between 1 and 50 GHz. • Parkes and Mopra are not expected to have significant roles in this science area. CSIRO - ATNF: Science Priorities 2010-2015

  12. Complimentary Capabilities • Magnetic fields through cosmic time • ASKAP will create a grid of rotation measures across the sky to understand the origin of cosmic magnetic fields. • ATCA will study the diffuse, line-of-sight resolved magneto-ionic medium in the Milky Way and nearby galaxies through broadband spectro-polarimetric observations. • Parkes will provide essential zero spacing diffuse polarization surveys in the 1-10 GHz range for combination with ATCA and ASKAP data. • Mopra and the LBA are not expected to have a significant role in this science area. CSIRO - ATNF: Science Priorities 2010-2015

  13. Complimentary Capabilities • Understanding the variable sky • ASKAP will monitor the entire sky everyday – a unique capability for detecting transients and monitoring variable sources. • ATCA will provide multi-frequency follow-up of ASKAP/MWA transients. • LBA will provide high angular resolution follow-up to ASKAP/MWA transients. • Parkes has the capability to find very fast transients as part of its major pulsar surveys. • Mopra is not expected to have a significant role in this area. CSIRO - ATNF: Science Priorities 2010-2015

  14. Complimentary Capabilities Breakdown of facilities by science area. The circle size indicates the priority/impact of a given facility in an area. CSIRO - ATNF: Science Priorities 2010-2015

  15. Potential New Developments 2010 – 2015 Some possible upgrades that could be costed and then put to ATUC for prioritsation • Extend ATCA N-S baselines to ~400m • Shift 6 km ATCA antenna to 3 km track • FPA or MB receivers on Mopra for 3, 7, 12mm • 12mm FPAs for ATCA • 12mm FPA or MB for Parkes • ( Enhance ASKAP configs. and/or NANT )* • ( Extend ASKAP freq. coverage )* • New community ideas! * Would require major (international) resourcing CSIRO - ATNF: Science Priorities 2010-2015

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