Short Timescale Evolution of the Polarized Radio Jet during V404 Cygni's 2015 Outburst

We present a high time resolution, multi-frequency linear polarization analysis of Very Large Array (VLA) radio observations during some of the brightest radio flaring (~1 Jy) activity of the 2015 outburst of V404 Cygni. The VLA simultaneously captured the radio evolution in two bands (each with two...

Full description

Saved in:
Bibliographic Details
Published in:arXiv.org 2023-01
Main Authors: Hughes, Andrew K, Sivakoff, Gregory R, Macpherson, Christopher E, Miller-Jones, James C A, Tetarenko, Alexandra J, Altamirano, Diego, Anderson, Gemma E, Belloni, Tomaso M, Heinz, Sebastian, Jonker, Peter G, Körding, Elmar G, Maitra, Dipankar, Markoff, Sera B, Migliari, Simone, Mooley, Kunal P, Rupen, Michael P, Russell, David M, Russell, Thomas D, Sarazin, Craig L, Soria, Roberto, Tudose, Valeriu
Format: Article
Language:English
Subjects:
Angles (geometry)
Arrays
Broadband
Evolution
Frequency analysis
Linear polarization
Polarimetry
Position measurement
Radio jets (astronomy)
Radio observation
Temporal resolution
X ray binaries
X ray stars
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We present a high time resolution, multi-frequency linear polarization analysis of Very Large Array (VLA) radio observations during some of the brightest radio flaring (~1 Jy) activity of the 2015 outburst of V404 Cygni. The VLA simultaneously captured the radio evolution in two bands (each with two 1 GHz base-bands), recorded at 5/7 GHz and 21/26 GHz, allowing for a broadband polarimetric analysis. Given the source's high flux densities, we were able to measure polarization on timescales of ~13 minutes, constituting one of the highest temporal resolution radio polarimetric studies of a black hole X-ray binary (BHXB) outburst to date. Across all base-bands, we detect variable, weakly linearly polarized emission (
ISSN:2331-8422
DOI:10.48550/arxiv.2301.13281