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Estimating the maximum gravitational mass of nonrotating neutron stars from the GW170817/GRB 170817A/AT2017gfo observation
Dong-Sheng Shao, Shao-Peng Tang, Xin Sheng +5
Assuming that the differential rotation of the massive neutron star (NS) formed in the double NS (DNS) mergers has been effectively terminated by the magnetic braking and a uniform…
PSR J0030+0451, GW170817 and the nuclear data: joint constraints on equation of state and bulk properties of neutron stars
Jin-Liang Jiang, Shao-Peng Tang, Yuan-Zhu Wang +2
Very recently the NICER collaboration has published the first-ever accurate measurement of mass and radius together for PSR J0030+0451, a nearby isolated quickly-rotating neutron s…
Searching for the possible signal of the photon-axionlike particle oscillation in the combined GeV and TeV spectra of supernova remnants
Zi-Qing Xia, Yun-Feng Liang, Lei Feng +3
The conversion between photons and axionlike particles (ALPs) in the Milky Way magnetic field could result in the detectable oscillation phenomena in -ray spectra of Galactic so…
The Masses of Isolated Neutron Stars Inferred from the Gravitational Redshift Measurements
Shao-Peng Tang, Jin-Liang Jiang, Wei-Hong Gao +2
For some neutron stars (NSs) in the binary systems, the masses have been accurately measured. While for the isolated neutron stars (INSs), no mass measurement has been reported yet…
Implications on the origin of cosmic rays in light of 10 TV spectral softenings
Chuan Yue, Peng-Xiong Ma, Qiang Yuan +25
Precise measurements of the energy spectra of cosmic rays (CRs) show various kinds of features deviating from single power-laws, which give very interesting and important implicati…
The equation of state and some key parameters of neutron stars: constraints from GW170817, the nuclear data and the low mass X-ray binary data
Jin-Liang Jiang, Shao-Peng Tang, Dong-Sheng Shao +6
In this work we parameterize the Equation of State of dense neutron star (NS) matter with four pressure parameters of and then set…
GRID: a Student Project to Monitor the Transient Gamma-Ray Sky in the Multi-Messenger Astronomy Era
Jiaxing Wen, Xiangyun Long, Xutao Zheng +139
The Gamma-Ray Integrated Detectors (GRID) is a space mission concept dedicated to monitoring the transient gamma-ray sky in the energy range from 10 keV to 2 MeV using scintillatio…
VER J2227+608: A Hadronic PeVatron Pulsar Wind Nebula?
Yuliang Xin, Houdun Zeng, Siming Liu +2
We report the detection of GeV -ray emission from the very-high-energy (VHE) -ray source VER J2227+608 associated with the "tail" region of SNR G106.3+2.7. The GeV -ray em…
Circinus Galaxy Revisted with 10 Years of Fermi-LAT Data
Xiao-Lei Guo, Yu-Liang Xin, Neng-Hui Liao +1
Circinus galaxy is a nearby composite starburst/AGN system. In this work we re-analyze the GeV emission from Circinus with 10 years of {\it Fermi}-LAT Pass 8 data. In the energy ra…
DmpIRFs and DmpST: DAMPE Instrument Response Functions and Science Tools for Gamma-Ray Data Analysis
Kai-Kai Duan, Wei Jiang, Yun-Feng Liang +15
GeV gamma ray is an important observation target of DArk Matter Particle Explorer (DAMPE) for indirect dark matter searching and high energy astrophysics. We present in this work a…
Probing local cosmic rays using Fermi-LAT observation of a mid-latitude region in the third Galactic quadrant
Zhao-Qiang Shen, Xiaoyuan Huang, Qiang Yuan +2
The -ray observation of interstellar gas provides a unique way to probe the cosmic rays (CRs) outside the solar system. In this work, we use an updated version of Fermi-LAT data…
Interpretation of the cosmic ray positron and electron excesses with an annihilating-decaying dark matter scenario
Lei Feng, Zhaofeng Kang, Qiang Yuan +2
The precise measurements of energy spectra of cosmic ray positrons and/or electrons by recent experiments show clear excesses above 10 GeV. Moreover, a potential sharp spectral fea…
Multi-wavelength variability of CGRaBS J0733+0456: identifying a distant -ray blazar at z = 3.01
Neng-Hui Liao, Li-Ming Dou, Ning Jiang +3
We report on OVRO, WISE, Swift and Fermi-LAT observations of the high redshift blazar CGRaBS J0733+0456, from which significant flux variations in radio, infrared (IR) as well as $…
Late afterglow emission statistics: a clear link between GW170817 and bright short GRBs
Kai-Kai Duan, Zhi-Ping Jin, Fu-Wen Zhang +4
GW170817, the first neutron star merger event detected by advanced LIGO/Virgo detectors, was associated with an underluminous short duration GRB 170817A. In this work we compare th…
A kilonova associated with GRB 070809
Zhi-Ping Jin, Stefano Covino, Neng-Hui Liao +4
For on-axis typical short gamma-ray bursts (sGRBs), the forward shock emission is usually so bright that renders the identification of kilonovae (also known as macronovae) in the e…