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ESA Voyage 2050 white paper: A Polarized View of the Hot and Violent Universe
Paolo Soffitta, Niccolò Bucciantini, Eugene Churazov +27
Since the birth of X-ray Astronomy, spectacular advances have been seen in the imaging, spectroscopic and timing studies of the hot and violent X-ray Universe, and further leaps fo…
The Polarization Behavior of Relativistic Synchrotron Self-Compton Jets
A. L. Peirson, R. W. Romani
We describe a geometric model for synchrotron and synchrotron self-Compton (SSC) radiation from blazar jets, involving multiple emission zones with turbulent magnetic fields and fu…
Multiband Optical Light Curves of Black-Widow Pulsars
Paul Draghis, Roger W. Romani, Alexei V. Filippenko +4
We collect new and archival optical observations of nine "black-widow" millisecond pulsar binaries. New measurements include direct imaging with the Keck, Gemini-S, MDM, and LCO 2~…
Prospects for Detecting X-ray Polarization in Blazar Jets
I. Liodakis, A. L. Peirson, R. W. Romani
X-ray polarization should provide new probes of magnetic field geometry and acceleration physics near the base of blazar jets, but near-future missions will have limited sensitivit…
The Synchrotron Emission Pattern of IntraBinary Shocks
D. Kandel, Roger W. Romani, Hongjun An
We model millisecond pulsars winds colliding with radiatively-driven companion winds in black widow and redback systems. For the redbacks, the geometry of this intrabinary shock (I…
Probing Blazar Emission Processes with Optical/Gamma-ray Flare Correlations
I. Liodakis, R. W. Romani, A. V. Filippenko +2
Even with several thousand {\it Fermi}-LAT blazar detections, the -ray emission mechanism is poorly understood. We explore correlated optical/-ray flux variations for 178 {\i…