Low-luminosity gamma-ray bursts as a distinct GRB population: a firmer case from multiple criteria constraints

@article{Virgili2008LowluminosityGB,
  title={Low-luminosity gamma-ray bursts as a distinct GRB population: a firmer case from multiple criteria constraints},
  author={Francisco J. Virgili and En-Wei Liang and Bing Zhang},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2008},
  volume={392},
  pages={91-103}
}
The intriguing observations of the Swift/Burst Alert Telescope (BAT) X-ray flash (XRF) 060218 and the BATSE-BeppoSAX gamma-ray burst GRB 980425, both with much lower luminosity and redshift compared to other observed bursts, naturally lead to the question of how these low-luminosity (LL) bursts are related to high-luminosity (HL) bursts. Incorporating the constraints from both the flux-limited samples observed with Compton Gamma-ray Observatory (CGRO )/BATSE and Swift/BAT and the redshift-known… 

Figures and Tables from this paper

INTENSITY DISTRIBUTION AND LUMINOSITY FUNCTION OF THE SWIFT GAMMA-RAY BURSTS
Using the sample of long gamma-ray bursts (GRBs) detected by Swift-BAT before 2007 June, we measure the cumulative distribution of the peak photon fluxes (log N–log P) of the Swift bursts. Compared
ARE ALL SHORT–HARD GAMMA-RAY BURSTS PRODUCED FROM MERGERS OF COMPACT STELLAR OBJECTS?
The origin and progenitors of short–hard gamma-ray bursts (GRBs) remain a puzzle and a highly debated topic. Recent Swift observations suggest that these GRBs may be related to catastrophic
Constraining Low-luminosity Gamma-Ray Bursts as Ultra-high-energy Cosmic Ray Sources Using GRB 060218 as a Proxy
We study the connection between low-luminosity gamma-ray bursts (llGRBs) and ultra-high-energy cosmic rays (UHECRs) using the canonical low-luminosity GRB 060218 as a proxy. We focus on the
FERMI AND SWIFT GAMMA-RAY BURST AFTERGLOW POPULATION STUDIES
The new and extreme population of gamma-ray bursts (GRBs) detected by the Fermi Large Area Telescope (LAT) shows several new features in high-energy gamma rays that are providing interesting and
Simulations on high-z long gamma-ray burst rate
Since the launch of Swift satellite, the detections of high-z (z > 4) long gamma-ray bursts (LGRBs) have been rapidly growing, even approaching the very early Universe (the record holder currently is
Gamma-ray burst rate: high-redshift excess and its possible origins
Prompted by various analyses of long (type II) gamma-ray burst (GRB) rates and their relationship to the cosmic star formation history, metallicity and luminosity function evolution, we
THE SWIFT GAMMA-RAY BURST HOST GALAXY LEGACY SURVEY. I. SAMPLE SELECTION AND REDSHIFT DISTRIBUTION
We introduce the Swift Gamma-Ray Burst Host Galaxy Legacy Survey (“SHOALS”), a multi-observatory high-redshift galaxy survey targeting the largest unbiased sample of long-duration gamma-ray burst
Statistical Study of the Swift X-Ray Flash and X-Ray Rich Gamma-Ray Bursts
We build a comprehensive sample to statistically describe the properties of X-ray flashes (XRFs) and X-ray riches (XRRs) from the third Swift Burst Alert Telescope (BAT3) catalog of Gamma-ray bursts
Nearby low-luminosity GRBs as the sources of ultra-high energy cosmic rays revisited
Low-luminosity gamma-ray bursts (GRBs) with luminosity . 10^49erg/s probably consititute a distinct population from the classic high-luminosity GRBs. They are the most luminous objects detected so
Short versus long gamma-ray bursts: a comprehensive study of energetics and prompt gamma-ray correlations
We present the results of a comprehensive study of the luminosity function, energetics, prompt gamma-ray correlations, and classification methodology of short-hard and long-soft GRBs (SGRBs and
...
...

References

SHOWING 1-10 OF 71 REFERENCES
The redshift distribution of Swift gamma‐ray bursts: evidence for evolution
We predict the redshift distribution of long gamma-ray bursts (GRBs) with Monte Carlo simulations. Our improved analysis constrains free parameters with three kinds of observation: (i) the log N -
On the Association of Gamma-Ray Bursts with Massive Stars: Implications for Number Counts and Lensing Statistics
Recent evidence appears to link gamma-ray bursts (GRBs) to star-forming regions in galaxies at cosmological distances. If short-lived massive stars are the progenitors of GRBs, the rate of events per
Cosmological Aspects of Gamma-Ray Bursts: Luminosity Evolution and an Estimate of the Star Formation Rate at High Redshifts
Using 220 gamma-ray burst (GRB) redshifts and luminosities derived from the luminosity-variability relationship of Fenimore & Ramirez-Ruiz, we show that there exists a significant correlation between
Simulating a faint gamma-ray burst population
There have now been three supernova-associated gamma-ray bursts (GRBs) at redshift z < 0.17, namely 980425, 030329 and 031203, but the nearby and under-luminous GRBs 980425 and 031203 are distinctly
The afterglow and elliptical host galaxy of the short γ-ray burst GRB 050724
Despite a rich phenomenology, γ-ray bursts (GRBs) are divided into two classes based on their duration and spectral hardness—the long-soft and the short-hard bursts. The discovery of afterglow
Short-hard gamma-ray bursts
A new γ-ray burst classification scheme from GRB 060614
Gamma-ray bursts (GRBs) are known to come in two duration classes, separated at ∼2 s. Long-duration bursts originate from star-forming regions in galaxies, have accompanying supernovae when these are
Making a Short Gamma-Ray Burst from a Long one: Implications for the Nature of GRB 060614
The absence of a supernova accompanying the nearby long GRB 060614 poses a great puzzle about the progenitor of this event and challenges the current GRB classification scheme. This burst displays a
Evidence of Exponential Decay Emission in the Swift Gamma-Ray Bursts
TLDR
It is found that the XRT steep decay for some of the bursts can be well fit by a combination of a power law with an exponential decay model, and this exponential component within the framework of both the internal and the external shock model.
The BATSE Gamma-Ray Burst Spectral Catalog. I. High Time Resolution Spectroscopy of Bright Bursts Using High Energy Resolution Data
This is the first in a series of gamma-ray burst spectroscopy catalogs from the Burst and Transient Source Experiment (BATSE) on the Compton Gamma Ray Observatory, each covering a different aspect of
...
...