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SUMMARY:ACME - Parameter Estimation in Gravitational-Wave Astronomy with B
 ilby
DTSTART:20260911T070000Z
DTEND:20260911T110000Z
DTSTAMP:20261014T181300Z
UID:indico-event-19014@indico.global
DESCRIPTION:Speakers: Giancarlo Cella (INFN Pisa)\n\nThis tutorial focuses
  on parameter estimation for gravitational-wave signals using Bilby. It i
 ntroduces the full analysis workflow\, from the definition of signal model
 s to the interpretation of posterior distributions\, with an emphasis on r
 ealistic data conditions and practical implementation. Participants work w
 ith the bilby.gw framework to analyze signals from compact binary coalesc
 ences. The tutorial covers waveform modeling based on the Post-Newtonian 
 approximation and Effective One Body formalism\, as well as detector noi
 se characterization and the role of calibration and assumptions about stat
 ionarity and Gaussianity. Particular attention is given to parameter degen
 eracies and to the interpretation of uncertainties. Through guided exerci
 ses\, participants perform complete inference runs\, explore the impact of
  prior choices\, and test the robustness of results under controlled varia
 tions of the analysis setup. Additional topics include injection studies a
 nd extensions toward more complex inference scenarios. The goal is to prov
 ide a solid and practical understanding of gravitational-wave parameter es
 timation and to enable participants to carry out and critically assess the
 ir own analyses.\n\n\n09:00 Orientation: source\, detectors\, likelihood\,
  and posterior.\n09:10 PN\, EOB\, and phenomenological waveforms\; compare
  signals over a justified band.\n09:40 Lab 1: inspect noise and reproduce 
 a likelihood ratio.\n10:10 Lab 2: complete a reduced BBH inference and ins
 pect its diagnostics.\n10:45–11:00 Break.\n11:00 Lab 3: distance–incli
 nation degeneracy and prior sensitivity.\n11:40 Lab 4: waveform\, noise\, 
 calibration\, and glitch robustness.\n12:20 Lab 5: GW150914 data\, posteri
 or interpretation\, and residuals.\n12:45 Injection validation\, extension
 s\, and closing discussion.\n\n \nNote: times are indicative\n\n\n\nhttps
 ://indico.global/event/19014/
LOCATION:zoom
URL:https://indico.global/event/19014/
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