Comprehensive Radio Monitoring of the Black Hole X-ray Binary Swift J1727.8$-$1613 during its 2023$-$2024 Outburst

Abstract

This work presents comprehensive multi-frequency radio monitoring of the black hole low-mass X-ray binary Swift J1727.8$-$1613, which underwent its first recorded outburst after its discovery in August 2023. Through a considerable community effort, we have coalesced the data from multiple, distinct observing programs; the light curves include $\sim 10$ months and 197 epochs of monitoring from 7 radio facilities with observing frequencies ranging from (approximately) 0.3$-$230GHz. The primary purpose of this work is to provide the broader astronomical community with these light curves to assist with the interpretation of other observing campaigns, particularly non-radio observing frequencies. We discuss the phenomenological evolution of the source, which included: (i) multiple radio flares consistent with the launching of discrete jet ejections, the brightest of which reached $\sim$ 1 Jy; (ii) temporally evolving radio spectral indices ($\alpha$), reaching values steeper than expected for optically-thin synchrotron emission ($\alpha <-1$) and emission with significant radiative cooling ($\alpha <-1.5$). We have published a digital copy of the data and intend for this work to set a precedent for the community to continue releasing comprehensive radio light curves of future low-mass X-ray binary outbursts.

References in corpus (57)

• The Burst Alert Telescope (BAT) on the Swift MIDEX Mission
• Towards a unified model for black hole X-ray binary jets
• CASA, the Common Astronomy Software Applications for Radio Astronomy
• The Physics of Gamma-Ray Bursts and Relativistic Jets
• The MAXI Mission on the ISS: Science and Instruments for Monitoring All Sky X-Ray Images
• A universal radio/X-ray correlation in low/hard state black hole binaries
• The Swift/BAT Hard X-ray Transient Monitor
• MERLIN observations of relativistic ejections from GRS 1915+105
• The evolution of black hole states
• BlackCAT: A catalogue of stellar-mass black holes in X-ray transients
• Jets from black hole X-ray binaries: testing, refining and extending empirical models for the coupling to X-rays
• A review of quasi-periodic oscillations from black hole X-ray binaries: observation and theory
• WATCHDOG: A Comprehensive All-Sky Database of Galactic Black Hole X-ray Binaries
• Quenching of the radio jet during the X-ray high state of GX 339-4
• Radio galaxies and feedback from AGN jets
• The "universal" radio/X-ray flux correlation : the case study of the black hole GX 339-4
• Radiatively efficient accreting black holes in the hard state: the case study of H1743-322
• Near-infrared synchrotron emission from the compact jet of GX339-4
• Large-Scale, Decelerating, Relativistic X-ray Jets from the Microquasar XTE J1550-654
• Global optical/infrared - X-ray correlations in X-ray binaries: quantifying disc and jet contributions
• Gas Slit Camera (GSC) onboard MAXI on ISS
• UVMULTIFIT: A versatile tool for fitting astronomical radio interferometric data
• The X-ray Spectral Evolution of Galactic Black Hole X-ray Binaries Toward Quiescence
• An extremely powerful long-lived superluminal ejection from the black hole MAXI J1820+070
• Jet spectral breaks in black hole X-ray binaries
• A rapidly-changing jet orientation in the stellar-mass black hole V404 Cygni
• Disk-jet coupling in the 2017/2018 outburst of the Galactic black hole candidate X-ray binary MAXI J1535-571
• Hard state neutron star and black hole X-ray binaries in the radio:X-ray luminosity plane
• The accretion-ejection coupling in the black hole candidate X-ray binary MAXI J1836-194
• Initial low/hard state, multiple jet ejections and X-ray/radio correlations during the outburst of XTE J1859+226
• Evidence for a compact jet dominating the broadband spectrum of the black hole accretor XTE J1550-564
• The complete spectrum of the neutron star X-ray binary 4U0614+091
• Extreme Jet Ejections from the Black Hole X-ray Binary V404 Cygni
• Evidence for quiescent synchrotron emission in the black hole X-ray transient Swift J1357.2-0933
• The black hole transient MAXI J1348-630: evolution of the compact and transient jets during its 2019/2020 outburst
• Exploring the Transient Radio Sky with VLITE: Early Results
• Relativistic X-ray jets from the black hole X-ray binary MAXI J1820+070
• The Varying Kinematics of Multiple Ejecta from the Black Hole X-ray Binary MAXI J1820+070
• A connection between plasma conditions near black hole event horizons and outflow properties
• Near-infrared emission lines trace the state-independent accretion disc wind of the black hole transient MAXI J1820+070
• Jets from Tidal Disruption Events
• Rapid compact jet quenching in the Galactic black hole candidate X-ray binary MAXI J1535-571
• NICER, NuSTAR and Insight-HXMT views to the newly discovered black hole X-ray binary Swift J1727.8--1613
• Dramatic Drop in the X-Ray Polarization of Swift J1727.8$-$1613 in the Soft Spectral State
• Resolved, expanding jets in the Galactic black hole candidate XTE J1908+094
• Cosmic ray acceleration by shocks: spectral steepening due to turbulent magnetic field amplification
• Swift J1727.8-1613 has the Largest Resolved Continuous Jet Ever Seen in an X-ray Binary
• Modeling the kinematics of the decelerating jets from the black hole X-ray binary MAXI J1348$-$630
• A deep / wide 1-2 GHz snapshot survey of SDSS Stripe 82 using the Karl G. Jansky Very Large Array in a compact hybrid configuration
• Synchrotron self absorption and the minimum energy of optically thick radio flares from stellar mass black holes
• Multimessenger Binary Mergers Containing Neutron Stars: Gravitational Waves, Jets, and $\mathbf{\gamma }$-Ray Bursts
• Dynamical confirmation of a black hole in the X-ray transient Swift J1727.8-1613
• Mapping Jet-ISM Interactions in X-ray Binaries with ALMA: A GRS 1915$+$105 Case Study
• Evolving Morphology of the Large-Scale Relativistic Jets from XTE J1550-564
• The stringent upper limit on jet power in the persistent soft state source 4U~1957+11
• MAXI J1848-015: The First Detection of Relativistically Moving Outflows from a Globular Cluster X-ray Binary
• Late-outburst radio flaring in SS Cyg and evidence for a powerful kinetic output channel in cataclysmic variables