Formation Scenario of Magnetars: The Puzzle of Isolation
Nirvikar Prasad
TL;DR
This paper explores how magnetars, neutron stars with extremely strong magnetic fields, form as isolated objects, addressing the puzzle of their absence in binary systems.
Contribution
It proposes a formation scenario explaining why magnetars are observed as isolated and not in binary systems.
Findings
Magnetars are confirmed to be isolated neutron stars.
The paper suggests a formation pathway leading to isolated magnetars.
No magnetars have been observed in binary systems to date.
Abstract
Magnetars (SGRs and AXPs) are one of the most evolutionary paths of a neutron star. These objects have an ultra-strong magnetic field G at their surface and show persistent X-ray pulsations and transient bursts. Till date there are 14 magnetars known: 5 SGRs (4 confirmed, 1 candidate) and 9 AXPs (7 confirmed, 2 candidates). It is an open puzzle that all these objects are isolated and none have been found in binaries. We discuss the formation scenario which can lead to such a situation.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Geophysics and Sensor Technology · High-pressure geophysics and materials