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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Chinese Academy of SciencesCN1.5k papers
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31 papers · 2 filters
Flash ionization signatures in the type Ibn supernova SN 2019uo
Anjasha Gangopadhyay, Kuntal Misra, Daichi Hiramatsu +26
We present photometric and spectroscopic observations of the type Ibn supernova (SN) 2019uo, the second ever SN Ibn with flash ionization (He II, C III, N III) features in its earl…
A self-consistent leptonic-hadronic interpretation of the electromagnetic and neutrino emissions from blazar TXS 0506+056
Gang Cao, Chuyuan Yang, Jianping Yang +1
The potential association between the blazar TXS 0506+056 and the neutrino event IceCube-170922A provides a unique opportunity to study the possible physical connection between the…
The first six months of the Advanced LIGO's and Advanced Virgo's third observing run with GRANDMA
S. Antier, S. Agayeva, V. Aivazyan +74
We present the Global Rapid Advanced Network Devoted to the Multi-messenger Addicts (GRANDMA). The network consists of 21 telescopes with both photometric and spectroscopic facilit…
High-velocity feature as the indicator of the stellar population of Type Ia supernovae
Xiangcun Meng
Although type Ia supernovae (SNe Ia) are very useful in many astrophysical fields, their exact nature is still unclear, e.g. the progenitor and explosion models. The high-velocity…
GRB X-Ray Flare Properties among Different GRB Subclasses
Chuanxi Liu, Jirong Mao
Gamma-ray bursts (GRBs) can be divided into three subclasses: X-ray flash (XRF), X-ray rich (XRR), and classical GRB (C-GRB). An X-ray flare is the rebrightening emission shown in…
Gamma-ray luminosity function of BL Lac objects and contribution to the extragalactic gamma-ray background
Yankun Qu, Houdun Zeng, Dahai Yan
Using a significantly enlarged \textit{Fermi}-LAT BL Lac objects (BL Lacs) sample, we construct the gamma-ray luminosity function (GLF) of BL Lacs, by the joint use of the space de…
Discovery of an accretion-rate independent absolute RMS amplitude of millihertz quasi-periodic oscillations in 4U 1636-53
Ming Lyu, Mariano Mendez, D. Altamirano +2
We investigate the frequency and amplitude of the millihertz quasi-periodic oscillations (mHz QPOs) in the neutron-star low-mass X-ray binary (NS LMXB) 4U 1636-53 using Rossi X-ray…
Discovery and Rapid Follow-up Observations of the Unusual Type II SN 2018ivc in NGC 1068
K. A. Bostroem, S. Valenti, D. J. Sand +44
We present the discovery and high-cadence follow-up observations of SN 2018ivc, an unusual Type II supernova that exploded in NGC 1068 (D=10.1 Mpc). The light curve of SN 2018ivc d…
The amplitude of the kilohertz quasi-periodic oscillations in 4U 163653 in the frequency-energy space
Evandro M. Ribeiro, Mariano Méndez, Marcio G. B. de Avellar +2
We present for the neutron-star low-mass X-ray binary 4U 163653, and for the first time for any source of kilohertz quasi-periodic oscillations (kHz QPOs), the two-dimensional b…
Statistical analysis on X-ray flares from the nucleus and HST-1 knot in the M87 jet
Shenbang Yang, Dahai Yan, Benzhong Dai +4
The statistical properties of X-ray flares from two separate locations (nucleus and HST-1) in the M87 jet are investigated to reveal the physical origin of the flares. We analyse t…
Detection of Gamma-Rays from the Protostellar Jet in the HH 80-81 System
Dahai Yan, Jianeng Zhou, Pengfei Zhang
Considering that the existence of relativistic particles in the protostellar jet has been confirmed by the detection of linearly polarized radio emission from the HH 80-81 jet, we…
The long-lived Type IIn SN 2015da: Infrared echoes and strong interaction within an extended massive shell
L. Tartaglia, A. Pastorello, J. Sollerman +41
In this paper we report the results of the first four years of spectroscopic and photometric monitoring of the Type IIn supernova SN 2015da (also known as PSN J13522411+39412…
Piggyback search for fast radio bursts using Nanshan 26m and Kunming 40m radio telescopes -- I. Observing and data analysis systems, discovery of a mysterious peryton
Y. P. Men, R. Luo, M. Z. Chen +12
We present our piggyback search for fast radio bursts using the Nanshan 26m Radio Telescope and the Kunming 40m Radio Telescope. The observations are performed in the L-band from 1…
Using the Extragalactic Gamma-Ray Background to Constrain the Hubble Constant and Matter Density of the Universe
Houdun Zeng, Dahai Yan
The attenuation produced by extragalactic background light (EBL) in -ray spectra of blazars has been used to constrain the Hubble constant () and matter density ($Ω_{\rm m}…
Circumstellar properties of Type Ia supernovae from the helium star donor channel
Takashi J. Moriya, Dongdong Liu, Bo Wang +1
We investigate predicted circumstellar properties of Type Ia supernova progenitor systems with non-degenerate helium star donors. It has been suggested that systems consisting of a…
Exploring the origin of multiwavelength activities of high-redshift FSRQ PKS 1502+106 during 2014-2018
N. Ding, Q. S. Gu, X. F. Geng +4
The origin of the multi-band activities (outbursts/flares) of blazars is still a heavily debated topic. Shock and magnetic reconnection have long been considered as possible trigge…
The force-free dipole magnetosphere in non-linear electrodynamics
Huiquan Li, Xiaolin Yang, Jiancheng Wang
Quantum electrodynamics (QED) effects may be included in physical processes of magnetar and pulsar magnetospheres with strong magnetic fields. Involving the quantum corrections, th…
Is Bremsstrahlung A Possible Mechanism to Explain the Thermal Feature in the GRB 130925A X-ray Afterglow?
Jie-Ying Liu, Jirong Mao
It has been reported that some X-ray spectra of gamma-ray burst (GRB) afterglows cannot be fitted by a simple power law. A blackbody component is added to precisely fit the thermal…
Polarization of Astrophysical Events with Precessing Jets
Mi-Xiang Lan, Rui Xue, Dingrong Xiong +3
A central compact object (CCO, e.g. a black hole) with an accretion disk has been suggested as the common central engine of various astrophysical phenomena, such as gamma-ray burst…
The Large High Altitude Air Shower Observatory (LHAASO) Science Book (2021 Edition)
Zhen Cao, D. della Volpe, Siming Liu +87
Since the science white paper of the Large High Altitude Air Shower Observatory (LHAASO) published on arXiv in 2019 [e-Print: 1905.02773 (astro-ph.HE)], LHAASO has completed the tr…
Search for -ray emission from dark matter particle interactions from Andromeda and Triangulum Galaxies with the Fermi Large Area Telescope
Mattia Di Mauro, Xian Hou, Christopher Eckner +2
The Andromeda (M31) and Triangulum (M33) galaxies are the closest Local Group galaxies to the Milky Way, being only 785 and 870 kpc away. These two galaxies provide an independent…
The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project
Oliver Porth, Koushik Chatterjee, Ramesh Narayan +25
Recent developments in compact object astrophysics, especially the discovery of merging neutron stars by LIGO, the imaging of the black hole in M87 by the Event Horizon Telescope (…
The Young and Nearby Normal Type Ia Supernova 2018gv: UV-Optical Observations and the Earliest Spectropolarimetry
Yi Yang, Peter A. Hoeflich, Dietrich Baade +25
The non-detection of companion stars in Type Ia supernova (SN) progenitor systems lends support to the notion of double-degenerate (DD) systems and explosions triggered by the merg…
Bright mini-outburst ends the 12-year long activity of the black hole candidate Swift J1753.5-0127
Guobao Zhang, F. Bernardini, D. M. Russell +16
We present optical, UV and X-ray monitoring of the short orbital period black hole X-ray binary candidate Swift J1753.5-0127, focusing on the final stages of its 12year long out…