A new frequency–luminosity relation for long gamma-ray bursts?

Author： Ukwatta T. N.   Dhuga K. S.   Morris D. C.   MacLachlan G.   Parke W. C.   Maximon L. C.   Eskandarian A.   Gehrels N.   Norris J. P.   Shenoy A.  

Publisher： Oxford University Press

ISSN： 0035-8711

Source： Monthly Notices of the Royal Astronomical Society, Vol.412, Iss.2, 2011-04, pp. : 875-882

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next

Abstract

ABSTRACTWe have studied power density spectra (PDS) of 206 long gamma-ray bursts. We fitted the PDS with a simple power law and extracted the exponent of the power law (α) and the noise-crossing threshold frequency (fth). We find that the distribution of the extracted α peaks around −1.4 and that of fth around 1 Hz. In addition, based on a subset of 58 bursts with known redshifts, we show that the redshift-corrected threshold frequency is positively correlated with the isotropic peak luminosity. The correlation coefficient is 0.57 ± 0.03 .

Related content

Redshift distribution and luminosity function of long gamma-ray bursts from cosmological simulations

By Campisi M. A.   Li L.-X.   Jakobsson P.  

Monthly Notices of the Royal Astronomical Society, Vol. 407, Iss. 3, 2010-09 ,pp. : 1972-1980 (9)

Oxford University Press

Access to resources Recommend Favorite

The updated luminosity correlations of gamma-ray bursts and cosmological implications

By Wang Fa-Yin   Qi Shi   Dai Zi-Gao  

Monthly Notices of the Royal Astronomical Society, Vol. 415, Iss. 4, 2011-08 ,pp. : 3423-3433 (11)

Oxford University Press

Access to resources Recommend Favorite

The luminosity function and the rate of Swift's gamma-ray bursts

By Wanderman David   Piran Tsvi  

Monthly Notices of the Royal Astronomical Society, Vol. 406, Iss. 3, 2010-08 ,pp. : 1944-1958 (15)

Oxford University Press

Access to resources Recommend Favorite

Metallicity properties of the simulated host galaxies of long gamma-ray bursts and the fundamental metallicity relation

By Campisi M. A.   Tapparello C.   Salvaterra R.   Mannucci F.   Colpi M.  

Monthly Notices of the Royal Astronomical Society, Vol. 417, Iss. 2, 2011-10 ,pp. : 1013-1021 (9)

Oxford University Press

Access to resources Recommend Favorite

Hypernovae and Gamma-Ray Bursts

By Nomoto Ken’ichi   Maeda Keiichi   Tominaga Nozomu   Ohkubo Takuya   Deng Jinsong   Mazzali Paolo  

Astrophysics and Space Science, Vol. 298, Iss. 1-2, 2005-07 ,pp. : 81-86 (6)

Springer Publishing Company

Access to resources Recommend Favorite