SIMBAD references

2014A&A...561A..25B - Astronomy and Astrophysics, volume 561A, 25-25 (2014/1-1)

The spectral catalogue of INTEGRAL gamma-ray bursts results of the joint IBIS/SPI spectral analysis.


Abstract (from CDS):

We present the updated INTEGRAL catalogue of gamma-ray bursts (GRBs) observed between December 2002 and February 2012. The catalogue contains the spectral parameters for 59 GRBs localized by the INTEGRAL Burst Alert System (IBAS). We used the data from the two main instruments on board the INTEGRAL satellite: the spectrometer SPI (SPectrometer on INTEGRAL) nominally covering the energy range 20 keV-8 MeV, and the imager IBIS (the Imager on Board the INTEGRAL Satellite) operating in the range from 15 keV to 10 MeV. For the spectral analysis we applied a new data extraction technique, developed to explore the energy regions of highest sensitivity for both instruments, SPI and IBIS. It allowed us to analyse the GRB spectra over a broad energy range and to determine the bursts' spectral peak energies. The spectral analysis was performed on the whole sample of GRBs triggered by IBAS, including all the events observed in the period December 2002 to February 2012. The catalogue contains the trigger times, burst coordinates, positional errors, durations, and peak fluxes for 28 unpublished GRBs observed between September 2008 and February 2012. The light curves in the 20-200 keV energy band of these events were derived using IBIS data. We compare the prompt emission properties of the INTEGRAL GRB sample with the BATSE and Fermi samples.

Abstract Copyright:

Journal keyword(s): methods: data analysis - gamma-ray burst: general - catalogs

Simbad objects: 71

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