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Origin for the Prompt Spectral Evolution Characteristics and High Energy Emission during the X-Ray Flare in GRB 180720B
Ming-Ya Duan, Xiang-Gao Wang
The gamma-ray burst GRB 180720B is very peculiar. On one hand, some interesting features have been found by performing the detailed time-resolved spectral analysis in the prompt ph…
A Spectral Analysis of Fermi-LLE GRBs
Ming-Ya Duan, Xiang-Gao Wang
The prompt emission of gamma-ray bursts remains mysterious since the mechanism is difficult to understand even though there are much more observations with the development of detec…
Photometric and spectroscopic Studies of Superoutbursts of Three Dwarf Novae Independently Identified by The SVOM/GWAC System in 2018
J. Wang, H. L. Li, L. P. Xin +27
We report our photometric and spectroscopic follow-up observations of the superoutbursts of three dwarf novae (GWAC\,180415A, GWAC\,181017A and GWAC\,181211A) identified independen…
The Berkeley sample of Type II supernovae: BVRI light curves and spectroscopy of 55 SNe II
T. de Jaeger, W. Zheng, B. E. Stahl +58
In this work, BV RI light curves of 55 Type II supernovae (SNe II) from the Lick Observatory Supernova Search program obtained with the Katzman Automatic Imaging Telescope and the…
Lick Observatory Supernova Search Follow-Up Program: Photometry Data Release of 93 Type Ia Supernovae
Benjamin E. Stahl, WeiKang Zheng, Thomas de Jaeger +52
We present BVRI and unfiltered light curves of 93 Type Ia supernovae (SNe Ia) from the Lick Observatory Supernova Search (LOSS) follow-up program conducted between 2005 and 2018. O…
Lorentz Factor Evolution of an Expanding Jet Shell Observed in Gamma-ray Burst: Case study of GRB 160625B
Da-Bin Lin, Rui-Jing Lu, Shen-Shi Du +3
The Lorentz factor of a relativistic jet and its evolution during the jet expansion are difficult to estimate, especially for the jets in gamma-ray bursts (GRBs). However, it is re…
Jet Structure in the Afterglow Phase for Gamma-ray Bursts with a Precessing Jet
Bao-Quan Huang, Da-Bin Lin, Tong Liu +4
The structured jet is involved to explain the afterglows and even the prompt emission of GRB 170817A. In this paper, we stress that for a precessing jet, the jet structure in the p…
A Pulsar Wind Nebula Embedded in the Kilonova AT2017gfo Associated with GW 170817/GRB 170817A
Jia Ren, Da-Bin Lin, Lu-Lu Zhang +5
The first detected gravitational wave GW170817 from a binary neutron star merger is associated with an important optical transient AT 2017gfo, which is a direct observation of kilo…