Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...422..260k&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 422, no. 1, p. 260-268
Astronomy and Astrophysics
Astronomy
24
Emission Spectra, Evolution (Development), Gamma Ray Astronomy, Gamma Ray Bursts, Luminosity, Bremsstrahlung, Spectrum Analysis, Synchrotron Radiation
Scientific paper
We study the continuum spectral evolution of 16 gamma-ray bursts detected by the Franco-Soviet SIGNE experiment in 1981-1982 by fitting time resolved (0.5 s) spectra in count space with simple thermal bremsstrahlung and synchrotron models. We find that there is no single characteristic of spectral evolution: we see hard-to-soft, soft-to-hard, luminosity-hardness tracking, and chaotic evolution. We perform correlation studies between instantaneous burst intensity and spectral temperature for seven bursts. While we basically confirm the existence of a correlation between these variables as originally claimed by Golenetskii et al. (1983) we find higher values and a broader range of correlation indices.
Barat Claude
Eveno E.
Hurley Kevin Christopher
Kargatis Vincent Emanuel
Liang Edison P.
No associations
LandOfFree
Spectral evolution of gamma-ray bursts detected by the SIGNE experiment. 1: Correlation between intensity and spectral hardness does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Spectral evolution of gamma-ray bursts detected by the SIGNE experiment. 1: Correlation between intensity and spectral hardness, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spectral evolution of gamma-ray bursts detected by the SIGNE experiment. 1: Correlation between intensity and spectral hardness will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1014283