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20212026
most citedPolarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1

173 citations · 1.5k across the 62 of their papers we have counts for

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11 papers · 1 filter

astro-ph.IM2026

Graph Neural Networks Trained on Null Signal for Angle Reconstruction in X-ray Polarimetry

Vittorio Latorre, Victor Rodriguez-Fernandez, Alessandro Di Marco +3

Scientific real detectors often produce sparse, irregular data defined on non-Euclidean domains, where conventional convolutional neural networks (CNNs) impose geometric biases tha…

astro-ph.IM2025★ 3 cited

Mitigating Polarization Leakage in Gas Pixel Detectors through Hybrid Machine Learning and Analytic Event Reconstruction

Nicoló Cibrario, Michela Negro, Raffaella Bonino +18

Spatially resolved polarization measurements of extended X-ray sources are expanding our understanding of the emission mechanisms and magnetic field properties involved. Such measu…

astro-ph.IM2025

The Telescope Calibration of the Imaging X-ray Polarimetry Explorer

Brian Ramsey, Jeffery Kolodziejczak, Wayne Baumgartner +27

Fifty years after the very first sounding rocket measurement of cosmic X-ray polarization, the Imaging X-ray Polarimetry Explorer (IXPE) mission has effectively opened a new window…

astro-ph.IM2023

The future of X-ray polarimetry towards the 3-Dimensional photoelectron track reconstruction

Dawoon E. Kim, Alessandro Di Marco, Paolo Soffitta +8

The development of the first X-ray polarimeter, based on the photoelectric effect 20 years ago and implemented thanks to advances in gas amplification structures and readout techni…

astro-ph.IM2023★ 3 cited

Polarization properties of X-ray tubes used for Imaging X-ray Polarimetry Explorer calibration

Ajay Ratheesh, John Rankin, Enrico Costa +11

In this work, we measured the polarization properties of the X-rays emitted from the X-ray tubes, which were used during the calibration of the instrument onboard Imaging X-ray Pol…

astro-ph.IM2023★ 3 cited

Equalizing the Pixel Response of the Imaging Photoelectric Polarimeter On-Board the IXPE Mission

John Rankin, Fabio Muleri, Alessandro Di Marco +18

The Gas Pixel Detector is a gas detector, sensitive to the polarization of X-rays, currently flying on-board IXPE - the first observatory dedicated to X-ray polarimetry. It detects…

astro-ph.IM2023★ 137 cited

Handling Background in IXPE polarimetric data

Alessandro Di Marco, Paolo Soffitta, Enrico Costa +18

IXPE (Imaging X-ray Polarimetry Explorer) is a Small Explorer mission by NASA and ASI, launched on December 9 2021, dedicated to investigating X-ray polarimetry allowing ang…

astro-ph.IM2022★ 31 cited

Calibration of the IXPE focal plane X-ray polarimeters to polarized radiation

Alessandro Di Marco, Sergio Fabiani, Fabio La Monaca +80

IXPE (Imaging X-ray Polarimetry Explorer) is a NASA Small Explorer mission -- in partnership with the Italian Space Agency (ASI) -- dedicated to X-ray polarimetry in the 2--8 keV e…

astro-ph.IM2021★ 3 cited

The Imaging X-Ray Polarimetry Explorer (IXPE): Pre-Launch

Martin C. Weisskopf, Paolo Soffitta, Luca Baldini +155

Scheduled to launch in late 2021, the Imaging X-ray Polarimetry Explorer (IXPE) is a NASA Small Explorer Mission in collaboration with the Italian Space Agency (ASI). The mission w…

astro-ph.IM2021★ 45 cited

An algorithm to calibrate and correct the response to unpolarized radiation of the X-ray polarimeter on board IXPE

John Rankin, Fabio Muleri, Allyn F. Tennant +18

The Gas Pixel Detector is an X-ray polarimeter to fly on-board IXPE and other missions. To correctly measure the source polarization, the response of IXPE's GPDs to unpolarized rad…

astro-ph.IM2021★ 3 cited

The Instrument of the Imaging X-ray Polarimetry Explorer

Paolo Soffitta, Luca Baldini, Ronaldo Bellazzini +78

While X-ray Spectroscopy, Timing and Imaging have improved verymuch since 1962, when the first astronomical non-solar source was discovered, especially with the launch of Newton/X-…