Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007apjs..169...62h&link_type=abstract
The Astrophysical Journal Supplement Series, Volume 169, Issue 1, pp. 62-74.
Astronomy and Astrophysics
Astronomy
18
Gamma Rays: Bursts, Methods: Data Analysis
Scientific paper
We present a database of spectral lags and internal luminosity function (ILF) measurements for gamma-ray bursts (GRBs) in the BATSE catalog. Measurements were made using 64 ms count rate data and are defined for various combinations of the four broadband BATSE energy channels. We discuss the processes used for measuring lags and ILF characteristics. We discuss the statistical and systematic uncertainties in measuring these attributes, as well as the role of temporal resolution in measuring lags and/or ILFs-these are particularly noticeable for GRBs belonging to the Short class. Correlative and clustering properties of the lag and ILF are examined, including the ability of these attributes to predict GRB time history morphologies. We conclude that the ILF and lag have great potential for studying GRB physics when used with other burst attributes.
Fuller Stephen P.
Giblin Timothy W.
Haglin David J.
Hakkila Jon
Nolan Chris
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