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- Publications
- Influence
A Comprehensive Analysis of Swift XRT Data. II. Diverse Physical Origins of the Shallow Decay Segment
The origin of the shallow decay segment in Swift XRT light curves remains a puzzle. We analyze the properties of this segment with a sample of 53 long Swift GRBs detected before 2007 February. We… Expand
DISCERNING THE PHYSICAL ORIGINS OF COSMOLOGICAL GAMMA-RAY BURSTS BASED ON MULTIPLE OBSERVATIONAL CRITERIA: THE CASES OF z = 6.7 GRB 080913, z = 8.2 GRB 090423, AND SOME SHORT/HARD GRBs
- B. Zhang, B. Zhang, +10 authors N. Gehrels
- Physics
- 14 February 2009
The two high-redshift gamma-ray bursts, GRB 080913 at z = 6.7 and GRB 090423 at z = 8.2, recently detected by Swift appear as intrinsically short, hard GRBs. They could have been recognized by BATSE… Expand
Making a Short Gamma-Ray Burst from a Long one: Implications for the Nature of GRB 060614
- B. Zhang, B. Zhang, E. Liang, N. Gehrels, D. Burrows, P. Mészáros
- Physics
- 8 December 2006
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… Expand
A Comprehensive Analysis of Swift XRT Data. I. Apparent Spectral Evolution of Gamma-Ray Burst X-Ray Tails
An early steep decay component following the prompt GRBs is commonly observed in Swift XRT light curves, which is regarded as the tail emission of the prompt gamma rays. Prompted by the observed… Expand
Lorentz-factor?Isotropic-luminosity/Energy Correlations of Gamma-Ray Bursts and Their Interpretation
- J. Lv, Yuan-Chuan Zou, +5 authors Hou-Jun Lv
- Physics
- 17 September 2011
The bulk Lorentz factor of the gamma-ray burst (GRB) ejecta (Γ0) is a key parameter to understanding GRB physics. Liang et al. have discovered a correlation between Γ0 and isotropic γ -ray energy: Γ0… Expand
Radiation Mechanisms and Physical Properties of GeV-TeV BL Lac Objects
Broadband spectral energy distributions (SEDs) are complied from literature for 24 TeV BL Lac objects. Two SEDs, which are identified as low and high states with their flux densities at $1\ {\rm… Expand
A Comprehensive Analysis of Swift XRT Data. III. Jet Break Candidates in X-Ray and Optical Afterglow Light Curves
- E. Liang, J. Racusin, B. Zhang, B. Zhang, D. Burrows
- Physics
- 22 August 2007
The Swift XRT data for 179 GRBs (050124 to 070129) and the optical afterglow data for 57 pre- and post-Swift GRBs are analyzed to explore whether the observed breaks in the afterglow light curves can… Expand
Temporal Profiles and Spectral Lags of XRF 060218
The spectral and temporal properties of the nonthermal emission of the nearby XRF 060218 in the 0.3-150 keV band are studied. We show that both the spectral energy distribution and the light-curve… Expand
How Bad/Good Are the External Forward Shock Models of Gamma-Ray Bursts?
TLDR
A COMPREHENSIVE STUDY OF GAMMA-RAY BURST OPTICAL EMISSION. I. FLARES AND EARLY SHALLOW-DECAY COMPONENT
- L. Li, E. Liang, +10 authors Jian-Yan Wei
- Physics
- 11 March 2012
Well-sampled optical light curves of 146 gamma-ray bursts (GRBs) are compiled from the literature. By empirical fitting, we identify eight possible emission components and summarize the results in a… Expand