"Ears" formation in Supernova Remnants: Overhearing an interaction history with bipolar circumstellar structures

Abstract

A characteristic feature that is frequently met in nearby supernova remnants (SNRs) is the existence of two antisymmetric, local protrusions that are projected as two "ears" in the morphology of the nebula. In this work, we present a novel scenario for the "ear" formation process according to which the two lobes are formed through the interaction of the SNR with a bipolar circumstellar medium (CSM) that was surrounding the explosion center. We conduct two dimensional hydrodynamic simulations and we show that the SNR shock breakout from the bipolar CSM triggers the inflation of two opposite protrusions at the equator of the remnant that retain their size and shape for several hundreds up to a few thousand years of the SNR evolution. We run a set of models by varying the supernova (SN) and CSM properties and we demonstrate that the extracted results reveal a good agreement with the observables, regarding the "ears" sizes, lifespan, morphology and kinematics. We discuss the plausibility of our model in nature and we suggest that the most likely progenitors of the "ear-carrying" SNRs are the Luminous Blue Variables or the Red/Yellow Supergiants for the SNRs resulted by core collapse SN events and the symbiotic binaries or the planetary nebulae for the remnants formed by Type Ia SNe. Finally, we compare our model with other "ear" formation models of the literature and we show that there are distinctive differences among them, concerning the "ears" orientation and the phase in which the "ear" formation process occurs.

13 pages, 8 Figures, Accepted for publication in MNRAS

References in corpus (14)

• A Deep Chandra Observation of Kepler's Supernova Remnant: A Type Ia Event with Circumstellar Interaction
• (Sub)stellar companions shape the winds of evolved stars
• Discovery of a nearby twin of SN1987A's nebula around the luminous blue variable HD168625: Was Sk--69 202 an LBV?
• Multi-epoch spectropolarimetry of SN 2009ip: direct evidence for aspherical circumstellar material
• The Kinematics of Kepler's Supernova Remnant as revealed by Chandra
• The double-degenerate, super-Chandrasekhar nucleus of the planetary nebula Henize 2-428
• And in the Darkness Bind Them: Equatorial Rings, B[e] Supergiants, and the Waists of Bipolar Nebulae
• The fraction of type Ia supernovae exploding inside planetary nebulae (SNIPs)
• The imprints of the last jets in core collapse supernovae
• Asymmetric Expansion of the Youngest Galactic Supernova Remnant G1.9+0.3
• Two Distinct-Absorption X-Ray Components from Type IIn Supernovae: Evidence for Asphericity in the Circumstellar Medium
• New VLA observations of the SNR Puppis A: the radio properties and the correlatoin withe the X-ray emission
• Common continuum polarization properties: a possible link between proto-planetary nebulae and Type Ia Supernovae progenitors
• Modeling SNR G1.9+0.3 as a Supernova Inside a Planetary Nebula

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• Rectangular core-collapse supernova remnants: application to Puppis A
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• Particle acceleration, escape and non-thermal emission from core-collapse supernovae inside non-identical wind-blown bubbles
• Planetary nebulae hosting accreting white dwarfs: A possible solution for the mysterious cut-off of Planetary Nebula Luminosity Function?
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• Modeling the Remnants of Core-collapse Supernovae from Luminous Blue Variable stars