Polarized radio emission unveils the structure of the pre-supernova circumstellar magnetic field and the radio emission in SN1987A

Abstract

The detected polarized radio emission from remnant of SN1987A opens the possibility to unveil the structure of the pre-supernova magnetic field in the circumstellar medium. Properties derived from direct measurements would be of importance for understanding the progenitor stars and their magnetic fields. As the first step to this goal, we adopted the hydrodynamic data from an elaborated three-dimensional (3-D) numerical model of SN1987A. We have developed an approximate method for `reconstruction' of 3-D magnetic field structure inside supernova remnant on the `hydrodynamic background'. This method uses the distribution of the magnetic field around the progenitor as the initial condition. With such a 3-D magneto-hydrodynamic model, we have synthesized the polarization maps for a number of SN1987A models and compared them to the observations. In this way, we have tested different initial configurations of the magnetic field as well as a structure of the synchrotron emission in SN987A. We have recovered the observed polarization pattern and we have found that the radial component of the ambient pre-supernova magnetic field should be dominant on the length-scale of the present-day radius of SN1987A. The physical reasons for such a field are discussed.

arXiv comment13 pages, 8 figures, accepted in MNRAS

References in corpus (64)

• Comprehensive analytic formulae for stellar evolution as a function of mass and metallicity
• The evolutionary roads leading to low effective spins, high black hole masses, and O1/O2 rates of LIGO/Virgo binary black holes
• A large scale dynamo and magnetoturbulence in rapidly rotating core-collapse supernovae
• Dust Production and Particle Acceleration in Supernova 1987A Revealed with ALMA
• The Triple-Ring Nebula around SN1987A: Fingerprint of a binary merger
• Magnetorotational core collapse of possible GRB progenitors. I. Explosion mechanisms
• On the Origin of Strong Magnetic Fields in Young Supernova Remnants
• Magnetorotational Explosion of A Massive Star Supported by Neutrino Heating in General Relativistic Three Dimensional Simulations
• Ap stars with resolved magnetically split lines: Magnetic field determinations from Stokes $I$ and $V$ spectra
• On the Origin of Radial Magnetic Fields in Young Supernova Remnants
• Stellar Winds on the Main-Sequence I: Wind Model
• Magnetorotational core collapse of possible GRB progenitors. III. Three-dimensional models
• The asymmetric radio remnant of SN 1987A
• On the Origin of Asymmetries in Bilateral Supernova Remnants
• Supernova 1987A: a Template to Link Supernovae to their Remnants
• Magnetorotational core collapse of possible GRB progenitors. II. Formation of protomagnetars and collapsars
• The Three-Dimensional Circumstellar Environment of SN 1987A
• Chandra Observes the End of an Era SN 1987A
• Multi-frequency Radio Measurements of SN 1987A over 22 Years
• Origin of Radially Aligned Magnetic Fields in Young Supernova Remnants
• Hydrodynamic simulations unravel the progenitor-supernova-remnant connection in SN 1987A
• The Destruction of the Circumstellar Ring of SN 1987A
• Three-dimensional distribution of ejecta in Supernova 1987A at 10 000 days
• 3D MHD modeling of the expanding remnant of SN 1987A. Role of magnetic field and non-thermal radio emission
• Matter Mixing in Aspherical Core-collapse Supernovae: Three-dimensional Simulations with Single Star and Binary Merger Progenitor Models for SN 1987A
• A 3D Simulation of a Neutrino-Driven Supernova Explosion Aided By Convection and Magnetic Fields
• Very Deep Inside the SN 1987A Core Ejecta: Molecular Structures Seen in 3D
• Collisionless shock heating of heavy ions in SN 1987A
• Chandra observations of SN 1987A: the soft X-ray light curve revisited
• High-resolution radio observations of SNR 1987A at high frequencies
• Fourier Modeling of the Radio Torus Surrounding Supernova 1987A
• Core collapse with magnetic fields and rotation
• Fast & slow winds from supergiants and Luminous Blue Variables
• Radio polarization maps of shell-type SNRs I. Effects of a random magnetic field component, and thin-shell models
• Evolution of the Radio Remnant of Supernova 1987A: Morphological Changes from Day 7000
• Anisotropic mass ejection in binary mergers
• Progenitor Model of SN 1987A Based on the Slow Merger Scenario
• Spectroscopic and physical parameters of Galactic O-type stars. II. Observational constraints on projected rotational and extra broadening velocities as a function of fundamental parameters and stellar evolution
• Indication of a Pulsar Wind Nebula in the hard X-ray emission from SN 1987A
• Observing Supernova 1987A with the Refurbished Hubble Space Telescope
• The matter beyond the ring: the recent evolution of SN 1987A observed by the Hubble Space Telescope
• Magnetic support for neutrino-driven explosion of 3D non-rotating core-collapse supernova models
• Multi-dimensional simulations of the expanding supernova remnant of SN 1987A
• The rotation rates of massive stars: How slow are the slow ones?
• The Re-Acceleration of the Shock Wave in the Radio Remnant of SN 1987A
• Radio emission of SN1993J: the complete picture. I. Re-analysis of all the available VLBI data
• When disorder looks like order: a new model to explain radial magnetic fields in young supernova remnants
• XMM-Newton observations of SNR 1987A. II. The still increasing X-ray light curve and the properties of Fe K lines
• Post-adiabatic supernova remnants in the interstellar magnetic field. Parallel and perpendicular shocks
• Final Spitzer IRAC Observations of the Rise and Fall of SN 1987A
• Additional evidence for a pulsar wind nebula in the heart of SN 1987A from multi-epoch X-ray data and MHD modeling
• Detection of Linear Polarization in the Radio Remnant of Supernova 1987A
• A New Evolutionary Phase of Supernova Remnant 1987A
• Low Radio Frequency Observations and Spectral Modelling of the Remnant of Supernova 1987A
• Spectral Evolution of the X-Ray Remnant of SN 1987A: A High-Resolution $Chandra$ HETG Study
• The Post-impact Evolution of the X-ray Emitting Gas in SNR 1987A Viewed by XMM-Newton
• The variation of the magnetic field of the Ap star HD~50169 over its 29 year rotation period
• Magneto-hydrodynamic simulations of young supernova remnants and their energy-conversion phase
• X-Ray and Gamma-Ray Emission From Core-collapse Supernovae: Comparison of Three-dimensional Neutrino-driven Explosions With SN 1987A
• Post-adiabatic supernova remnants in an interstellar magnetic field: oblique shocks and non-uniform environment
• Long-period Ap stars discovered with TESS data: The northern ecliptic hemisphere
• Formation of the Ring-like Structure in the SN 1987A Nebula due to the Magnetic Pressure of the Toroidal Field
• The morphology of the ejecta of SN 1987A at 31 years from 1150 to 10000 Å
• Radio polarization maps of shell-type SNRs II. Sedov models with evolution of turbulent magnetic field

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