Physics and Astronomy Research and Publications

Smoke and Mirrors: Time-Reversed Structures in GRBs

Smoke and Mirrors: Signal-to-Noise and Time-Reversed Structures in Gamma-Ray Burst Pulse Light Curves We demonstrate that the `smoke’ of limited instrumental sensitivity smears out structure in gamma-ray burst (GRB) pulse light curves, giving each a triple-peaked appearance at moderate signal-to-noise and a simple monotonic appearance at low signal-to-noise. We minimize this effect by studying six […]

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Physics and Astronomy Research and Publications Software and Data Science

GRB Lightcurve Clustering

Abstract: We present a new method for categorizing and finding Gamma-Ray Bursts (GRB’s) with similar light curves from the Burst and Transient Source Experiment (BATSE), onboard NASA’s Compton Gamma-Ray Observatory (CGRO). Using χ2 values as ’similarity distances’ from any two respective GRBs’ 64ms light curves, we compare every GRB to every other GRB through a […]

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Physics and Astronomy Software and Data Science

Exoplanet Detection with Bayesian Blocks

Abstract: Discovery of exoplanets is important for understanding our place in the universe. One fruitful method for locating exoplanets is by the measurement of the drop in flux of the planet’s host star when the planet passes between the observer and the star – also known as transiting. The light-curves produced by planets transiting in […]

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Physics and Astronomy Research and Publications

GRB Pulse Analysis

Abstract: We present a preliminary analysis of previously unstudied gamma-ray burst pulses. Our sample consists of gamma-ray bursts observed between December 19, 1995 and February 2, 1997 by the Burst and Transient Source Experiment (BATSE) on NASA’s Compton Gamma-Ray Observatory. We found that the observable properties of these pulses are consistent with those of previously […]

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