activity
20122026
most citedThe Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/VIRGO GW170817. III. Optical and UV Spectra of a Blue Kilonova From Fast Polar Ejecta

498 citations · 4.3k across the 139 of their papers we have counts for

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Showing 2026Show all

7 papers · 1 filter

astro-ph.HE2026

A Real-Time Jet Laboratory in Swift J1727.8-1613

Callan M. Wood, James C. A. Miller-Jones, Arash Bahramian +16

We present the results of our intensive VLBI campaign on the black-hole low-mass X-ray binary (LMXB) Swift J1727.8-1613 during its 2023-2024 outburst. We observed the repeated quen…

astro-ph.HE2026

A new likely pulsar binary in 47~Tucanae from continuum searches

Thomas J. Maccarone, Alessandro Paduano, Arash Bahramian +6

We present evidence that the X-ray source 47~Tuc~W41, long considered to be an X-ray source powered by coronal activity, is actually a redback pulsar binary. The source continually…

astro-ph.HE2026

The Homogeneous MeerKAT and Swift/XRT X-ray Binary Radio:X-ray Plane

Justine Crook-Mansour, Rob Fender, Andrew Hughes +22

During the hard and quiescent spectral states in X-ray binaries, a non-linear correlation is observed between radio and X-ray luminosities, providing a valuable tool to probe the c…

astro-ph.HE2026

Exploring LSST's capabilities for early detection of outbursts in low-mass X-ray binaries

Susmita Sett, Arash Bahramian, Kristen Dage +2

Following long periods of quiescence, low-mass X-ray binaries can exhibit intense X-ray outbursts triggered by instabilities within the accretion disk. These outbursts can sometime…

astro-ph.IM2026

MWA tied-array processing V: Super-resolved localisation via amplitude-only maximum likelihood direction finding

Bradley W. Meyers, Arash Bahramian

Interferometric localisation of transients and pulsars via tied-array beam processing is challenging and can be limited by the native spatial resolution achievable by the instrumen…

astro-ph.HE2026

New Deep Radio Continuum Imaging Still Indicates a Large Reservoir of Undiscovered Millisecond Pulsars in Terzan 5

Ryan Urquhart, Jay Strader, Laura Chomiuk +4

We present the deepest and highest-resolution radio continuum imaging of the Galactic globular cluster Terzan 5, one of the most crowded locations in the radio sky. In these new 2$…

astro-ph.HE2026

Reconciling the Systemic Kicks of Observed Millisecond Pulsars, Spider Pulsars, and Low-mass X-ray Binaries

Paul Disberg, Arash Bahramian, Ilya Mandel

Millisecond pulsars (MSPs) have been proposed as evolutionary products of low-mass X-ray binaries (LMXBs) through a stage in which they are spider pulsars (i.e., redbacks and black…