Filling each of 35 gamma-ray burst light curves with 50 simulated points improves the fitted cosmic matter density by only about 6 percent, so burst sample size, not sampling density, is the bottleneck.
Predicting Missing Light Curves of Gamma-Ray Bursts with Bidirectional-LSTM: An Approach for Enhanced Analysis
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abstract
Gamma-ray bursts (GRB) are powerful transient events that emit a large output of gamma rays within a few seconds. Studying these short bursts is vital for cosmological research since they originate from sources observed at large redshifts. To effectively carry out these studies, it is crucial to establish a correlation between the observable features of GRBs while reducing their uncertainty. For these reasons, a comprehensive description of the general GRB light curve (LC) would be crucial for the studies. However, unevenly spaced observations and significant gaps in the LC, which are primarily unavoidable for various reasons, make it difficult to characterize GRBs. Therefore, the general classification of GRB LCs remains challenging. In this study, we present a novel approach to reconstruct gamma-ray burst (GRB) light curves using bidirectional Long Short-Term Memory (BiLSTM). Experimental results show that the BiLSTM approach performs better than traditional methods and produces smoother and more convincing reconstructions for GRBs.
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astro-ph.CO 1years
2025 1verdicts
CONDITIONAL 1representative citing papers
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Reconstruction of X-Ray Afterglow Light Curves of GRBs and its implication for constraining Cosmological Parameters
Filling each of 35 gamma-ray burst light curves with 50 simulated points improves the fitted cosmic matter density by only about 6 percent, so burst sample size, not sampling density, is the bottleneck.