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SKADS Science Overview Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky SKADS Science Overview • SKA Science Case • SKADS Science Interactions Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Strong Field Tests of Gravity Binary orbit permits determination of masses Relativistic effects permit (re) determination of masses. ALL MUST AGREE http://www.jb.man.ac.uk/~pulsar/ Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Strong Field Tests of Gravity • Large surveys will find exotic binarys – ~20 000 pulsars in the galaxy – Edge-on Pulsar – Black-hole binary (at least one) • Probe eg. Frame dragging • Pulsar timing array – Gravitational wave background Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Probing the Dark Ages • When did the first luminous objects form? • How did they form and over what period of time? • SKA will detect the Epoch of Reionisation and map the evolution history of the first luminous objects Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Large Scale Structure Local hydrogen Billions of galaxies! Hydrogen in a distant galaxy Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Precision Cosmology 1% ! Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Cosmic Magnetism • Origin of magnetic fields – Dynamo? – Primordial? Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Cradle of Life • Protoplanetary disks resolved to Earth-like orbits • Organic molecules • Extrasolar planets • Extra terrestrial intelligence Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Transient signal Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Transients • Pulsar is a special case of transient phenomena (periodic) • Giant pulses • Supernova • Bursters • ETI Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky The Unknown • New discoveries always result from observations in new parameter space – sensitivity – spatial resolution – spectral resolution – polarisation – time domain – observing speed (multibeaming) SKA improves all of these • eg. CMB, pulsars, extra solar planets,… Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky SKA Science Book Chris Carilli & Steve Rawlings, New Astronomy Reviews, Vol.48, Elsevier, Dec. 2004 www.skatelescope.org Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky SKADS Science Interactions The Universe observations Our understanding of the Universe science goals achievable? brain power Request spec change BENCHMARK Data analysis (DS2) Sky Simulation (DS2T1) Simulated telescope image Technology development (DS4) Technology demonstrators (DS5 & DS6) Science Overview measurements and simulated performance EM fields Convolution with the telescope (DS2T2) Data imaging (DS2T2) voltages Network simulator (DS3T3) Backend data SKADS Workshop 2006 Sept 4 Steve Torchinsky SKADS Science Interactions NO: not technologically feasible The Universe NO: too expensive observations Our understanding of the Universe science goals achievable? brain power Request spec change BENCHMARK Data analysis (DS2) Sky Simulation (DS2T1) Simulated telescope image Technology demonstrators (DS5 & DS6) Science Overview measurements and simulated performance EM fields Technology development (DS4) Consider trade-offs Convolution with the telescope (DS2T2) Data imaging (DS2T2) voltages Network simulator (DS3T3) Backend data SKADS Workshop 2006 Sept 4 Steve Torchinsky Evaluation of EMBRACE (DS5T3) • Demonstrate that EMBRACE can be used for astronomical observations – Pulsar timing – Multibeam pulsar timing – HI mapping – Continuum mapping – Source tracking – Observations in the presence of strong sources (moon, sun) – Correlation with long baseline (Westerbork – Nançay) – Engineering/characterisation testing • Beam profile, Tsys, Aeff, etc, Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Recent Hires for Science Effort • Matt Jarvis DS2T1 Manager at Oxford • Hans Rainer Klöckner (Oxford for DS2T2) • Shanmugha Sundaram (JIVE for DS2T2) • Dharam vir Lal (Max Planck, Bonn for DS2T2) • Ilsa van Bemmel (Leiden for DS2T2) • Paola di Matteo (Paris for DS2T1) • Cardiff Postdoc (imminent selection for DS2/DS3) • Glasgow postdocs advertised (for DS2T2) • Cambridge postdocs advertised (for DS2/DS3) Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Meetings and Conferences • DS2T2 Kickoff at Bonn, 10th February, 2006 • Gravitational waves, radio pulsars and astrometry: Testing gravity in the next decade, Birmingham, 30-31 March • Cosmology, Galaxy Formation and Astroparticle Physics on the pathway to the SKA, Oxford, 10-12 April • DS3T3 Kickoff at Oxford 6th June, 2006 • DS2T1 Kick-off at Oxford 7th June, 2006 Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky SKADS Newsletter • Issue #1 now out! • Collector’s edition! Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky Contact Steve Torchinsky SKADS Project Scientist GEPI, Observatoire de Paris Phone: +33 1 45 07 75 02 Email: [email protected] Wiki: http://webmail.jb.man.ac.uk/skadswiki/ Web: http://www.skads-eu.org Science Overview SKADS Workshop 2006 Sept 4 Steve Torchinsky
