Correlation between pulse-width and peak luminosity of single-pulse long gamma-ray bursts

Details Correlation between pulse-width and peak luminosity of single-pulse long gamma-ray bursts Correlation between pulse-width and peak luminosity of single-pulse long gamma-ray bursts

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010scchg..53s..69d&link_type=abstract

Science China Physics, Mechanics and Astronomy, Volume 53, Issue 1, pp.69-72

Astronomy and Astrophysics

Astronomy

Gamma-Rays: Bursts, Gamma-Rays: Observations

Scientific paper

With a sample of 21 single-pulse GRBs with redshift measurement and a sample of 65 single-pulse GRBs with pseudo redshift estimated by the luminosity-spectral lag relation, we show that the peak luminosities of GRB pulses are anti-correlated with pulse width, indicating that longer-pulses tend to be dimmer in the gamma-ray band. The anti-correlation is accessible with an internal shock scenario.

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