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Analyzing Tools for Pulsars and GRBs: Grouping, Testing, and Requirements

This analysis identifies four key groups of tools relevant to pulsar and gamma-ray burst (GRB) research. The pulsar tools aim to enhance existing tools while assessing their applicability to binary systems. GRB tools will handle data from both the GBM and LAT instruments, focusing on quantifying confidence through catalog comparisons. A versatile likelihood tool is introduced for various fitting needs. The document highlights the necessity of clear interfaces, proper testing against simulated data, and ongoing reviews to ensure project success by September.

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Analyzing Tools for Pulsars and GRBs: Grouping, Testing, and Requirements

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Presentation Transcript

  1. Analysis Tools Breakout Session • Identified four groups of tools • Pulsars—lift existing tools. Applicable to binaries? • GRBs—applicable to both GBM & LAT. Treat LAT data in limit where burst is signal above definable background • Catalog comparison—need to quantify confidence • Likelihood tool—“Swiss knife” for fitting source parameters, source detections, upper limits, etc. • Many tools need to be split into separate tools • Verifying a pulsar ephemeris and searching for P, P-dot • Barycentric corrections and phase assignments • Binary and pulsar periods? • Testing • Challenge tools with simulated data, EGRET data • Formal data challenges • Document testing

  2. Analysis Tools, cont. • Available human resources identified • Requirements need more work for the September review. There was little detailed discussion of specifics. The interfaces need to be defined clearly. • Requirements editors assigned • Likelihood—Pat Nolan • Pulsars—Masa Hirayama • Catalog comparison—Isabelle Grenier • GRBs—David Band

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