SIMBAD references

1999A&AS..138..401C - Astron. Astrophys., Suppl. Ser., 138, 401-402 (1999/September-0)

The hardness evolution of gamma-ray burst pulses.

CRIDER A., LIANG E.P., PREECE R.D., BRIGGS M.S., PENDLETON G.N., PACIESAS W.S., BAND D.L. and MATTESON J.L.

Abstract (from CDS):

We have analyzed the evolution of the spectral hardness parameter, Epk (the maximum of the νFν spectrum) as a function of fluence in gamma-ray bursts. We fit 41 pulses within 26 bursts with the trend reported by Liang & Kargatis (1996Natur.381...49L) which found that Epk decays exponentially with respect to photon fluence Φ(t). We also fit these pulses with a slight modification of this trend, where Epk decays linearly with energy fluence. In both cases, we found the set of 41 pulses to be consistent with the trend.

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Journal keyword(s): gamma-ray: bursts, observations

Simbad objects: 1

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