BATSE GammaRay Burst Line Search. II. Bayesian Consistency Methodology
Abstract
We describe a Bayesian methodology to evaluate the consistency between the reported Ginga and BATSE detections of absorption features in gamma ray burst spectra. Currently no features have been detected by BATSE, but this methodology will still be applicable if and when such features are discovered. The Bayesian methodology permits the comparison of hypotheses regarding the two detectors' observations, and makes explicit the subjective aspects of our analysis (e.g., the quantification of our confidence in detector performance). We also present nonBayesian consistency statistics. Based on preliminary calculations of line detectability we find that both the Bayesian and nonBayesian techniques show that the BATSE and Ginga observations are consistent given our understanding of these detectors.
 Publication:

The Astrophysical Journal
 Pub Date:
 October 1994
 DOI:
 10.1086/174759
 arXiv:
 arXiv:astroph/9405009
 Bibcode:
 1994ApJ...434..560B
 Keywords:

 Absorption Spectra;
 Bayes Theorem;
 Gamma Ray Astronomy;
 Gamma Ray Bursts;
 Statistical Analysis;
 Gamma Ray Observatory;
 Gamma Ray Telescopes;
 Ginga Satellite;
 Heao 1;
 Likelihood Ratio;
 Astronomy;
 GAMMA RAYS: BURSTS;
 METHODS: STATISTICAL;
 Astrophysics
 EPrint:
 accepted by Ap.J., 24 pages, LaTeX with AAS macros, request 4 figures from dband@ucsd.edu