89 citations · 255 across the 19 of their papers we have counts for
20 papers
A Generalized Framework for Rapid Polarization Response Generation in Wide Field-of-View Compton Polarimeters
Mohamed Gamal Zaid, Merlin Kole, Mark McConnell +2
Polarimetry is the most direct probe of the unsettled radiation mechanism and magnetic field structure of gamma-ray burst (GRB) prompt emission at the energies where it peaks, tens…
PolPy: A universal tool for X-ray/gamma-ray polarimetry using common data format standards
Sujay Mate, Hancheng Li, Utkarsh Pathak +4
X-ray/gamma-ray polarimetry has been a rapidly developing field in recent years. However, the lack of standardized analysis frameworks has hindered cross-instrument comparisons and…
Discovery of energy-dependent phase variations in the polarization angle of Cen X-3
Qing-Chang Zhao, Lian Tao, Sergey S. Tsygankov +7
We present a detailed polarimetric analysis of Cen X-3 using \ixpe observations during its high state, revealing complex energy-dependent polarization behavior. While phase-average…
POLAR-2 -- Latest Developments of the Next Generation GRB Polarimeter
Johannes Hulsman, Philipp Azzarello, Joerg Bayer +20
Gamma-Ray Bursts (GRBs) are among the most energetic events in the Universe. Despite over 50 years of research and measurements their prompt emission remains poorly understood, wit…
Gamma-Ray Burst Polarimetry with the POLAR and POLAR-2 missions
Nicolas De Angelis, Philipp Azzarello, Franck Cadoux +15
Gamma-Ray Bursts are among the most powerful and violent events in the Universe. Despite over half a century of observations of these transient sources, many open questions remain…
Design and Performance of a Universal SiPM Readout System for X- and Gamma-Ray Missions
Merlin Kole, Nicolas De Angelis, Nicolas Produit +15
The advent of both multi-messenger and time-domain astrophysics over the last decade has seen a large interest in the development of small-scale, cheap, and robust gamma-ray detect…
Response of the first POLAR-2 Prototype to Polarized Beams
Merlin Kole, Nicolas de Angelis, Ana Bacelj +15
POLAR-2 is a dedicated gamma-ray polarimeter currently foreseen to be launched towards the China Space Station around 2027. The design of the detector is based on the legacy of its…
POLAR-2, the next generation of GRB polarization detector
Nicolas Produit, Merlin Kole, Xin Wu +9
The POLAR-2 Gamma-Ray Burst (GRB) Polarimetry mission is a follow-up to the successful POLAR mission. POLAR collected six months of data in 2016-2017 on board the Tiangong-2 Chines…
Energy-dependent polarization of Gamma-Ray Bursts' prompt emission with the POLAR and POLAR-2 instruments
Nicolas De Angelis, J. Michael Burgess, Franck Cadoux +10
Gamma-Ray Bursts are among the most powerful events in the Universe. Despite half a century of observations of these transient sources, many open questions remain about their natur…
Measuring the Cosmic X-ray Background accurately
Hancheng Li, Roland Walter, Nicolas Produit +1
Synthesis models of the diffuse Cosmic X-ray Background (CXB) suggest that it can be resolved into discrete sources, primarily Active Galactic Nuclei (AGNs). Measuring the CXB accu…
Proton Irradiation of SiPM arrays for POLAR-2
Slawomir Mianowski, Nicolas De Angelis, Johannes Hulsman +12
POLAR-2 is a space-borne polarimeter, built to investigate the polarization of Gamma-Ray Bursts and help elucidate their mechanisms. The instrument is targeted for launch in 2024 o…
Gamma-Ray Polarimetry of the Crab Pulsar Observed by POLAR
Han-Cheng Li, Nicolas Produit, Shuang-Nan Zhang +15
The X/ ray polarimetry of the Crab pulsar/nebula is believed to hold crucial information on their emission models. In the past, several missions have shown evidence of polarized…
Polarization measurements of the Crab Pulsar with POLAR
Hancheng Li, POLAR Collaboration
POLAR is a dedicated Gamma-Ray Burst polarimeter making use of Compton-scattering which took data from the second Chinese spacelab, the Tiangong-2 from September 2016 to April 2017…
Measuring the Cosmic X-ray Background accurately
Hancheng Li, Nicolas Produit, Roland Walter
Measuring the Cosmic X-ray Background (CXB) is a key to understand the Active Galactic Nuclei population, their absorption distribution and their average spectra. However, hard X-r…
The POLAR Gamma-Ray Burst Polarization Catalog
Merlin Kole, Nicolas De Angelis, Francesco Berlato +18
Despite over 50 years of research, many open questions remain about the origin and nature of GRBs. Polarization measurements of the prompt emission of these extreme phenomena have…
Phase-resolved gamma-ray spectroscopy of the Crab pulsar observed by POLAR
Han-Cheng Li, Neal Gauvin, Ming-Yu Ge +15
The POLAR detector is a space based Gamma-Ray Burst (GRB) polarimeter sensitive in the 15-500 keV energy range. Apart from its main scientific goal as a Gamma-Ray Burst polarimeter…
Detailed polarization measurements of the prompt emission of five Gamma-Ray Bursts
Shuang-Nan Zhang, Merlin Kole, Tian-Wei Bao +37
Gamma-ray bursts are the strongest explosions in the Universe since the Big Bang, believed to be produced either in forming black holes at the end of massive star evolution or merg…
In-Orbit Instrument Performance Study and Calibration for POLAR Polarization Measurements
Zhengheng Li, Merlin Kole, Jianchao Sun +30
POLAR is a compact space-borne detector designed to perform reliable measurements of the polarization for transient sources like Gamma-Ray Bursts in the energy range 50-500keV. The…
A Low-latency Pipeline for GRB Light Curve and Spectrum using Fermi/GBM Near Real-time Data
Yi Zhao, Binbin Zhang, Shaolin Xiong +15
Rapid response and short time latency are very important for Time Domain Astronomy, such as the observations of Gamma-ray Bursts (GRBs) and electromagnetic (EM) counterparts of gra…
In-flight energy calibration of the space-borne Compton polarimeter POLAR
Hualin Xiao, Wojtek Hajdas, Bobing Wu +39
POLAR is a compact wide-field space-borne detector for precise measurements of the linear polarisation of hard X-rays emitted by transient sources in the energy range from 50 keV t…