Unifying the observational diversity of isolated neutron stars via magneto-thermal evolution models.
TLDR
In this article, the authors present the results of 2D simulations of the fully-coupled evolution of temperature and magnetic field in neutron stars, including the state-of-the-art kinetic coefficients and, for the first time, the important effect of the Hall term.Abstract:
Observations of magnetars and some of the high magnetic field pulsars have shown that their thermal luminosity is systematically higher than that of classical radiopulsars, thus confirming the idea that magnetic fields are involved in their X-ray emission. Here we present the results of 2D simulations of the fully-coupled evolution of temperature and magnetic field in neutron stars, including the state-of-the-art kinetic coefficients and, for the first time, the important effect of the Hall term. After gathering and thoroughly re-analysing in a consistent way all the best available data on isolated, thermally emitting neutron stars, we compare our theoretical models to a data sample of 40 sources. We find that our evolutionary models can explain the phenomenological diversity of magnetars, high-B radio-pulsars, and isolated nearby neutron stars by only varying their initial magnetic field, mass and envelope composition. Nearly all sources appear to follow the expectations of the standard theoretical models. Finally, we discuss the expected outburst rates and the evolutionary links between different classes. Our results constitute a major step towards the grand unification of the isolated neutron star zoo.read more
Citations
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Journal ArticleDOI
A NICER View of PSR J0030+0451: Millisecond Pulsar Parameter Estimation
Thomas E. Riley,Anna L. Watts,Slavko Bogdanov,Paul S. Ray,Renee M. Ludlam,Sebastien Guillot,Sebastien Guillot,Zaven Arzoumanian,Charles Baker,Anna V. Bilous,Deepto Chakrabarty,Keith C. Gendreau,Alice K. Harding,Wynn C. G. Ho,Wynn C. G. Ho,James M. Lattimer,Sharon M. Morsink,Tod E. Strohmayer +17 more
TL;DR: In this paper, the mass and equatorial radius of the millisecond pulsar PSR J0030+0451 were estimated based on a relativistic ray-tracing of thermal emission from hot regions of the pulsar surface.
Journal ArticleDOI
The mcgill magnetar catalog
S. A. Olausen,Victoria M. Kaspi +1 more
TL;DR: In this paper, the authors present a catalog of the 26 currently known magnetars and magnetar candidates, and investigate and plot possible correlations between their timing, X-ray, and multiwavelength properties.
Journal ArticleDOI
A NICER View of PSR J0030+0451: Millisecond Pulsar Parameter Estimation.
Thomas E. Riley,Anna L. Watts,Slavko Bogdanov,Paul S. Ray,Renee M. Ludlam,Sebastien Guillot,Sebastien Guillot,Zaven Arzoumanian,Charles Baker,Anna V. Bilous,Deepto Chakrabarty,Keith C. Gendreau,Alice K. Harding,Wynn C. G. Ho,Wynn C. G. Ho,James M. Lattimer,Sharon M. Morsink,Tod E. Strohmayer +17 more
TL;DR: In this article, the mass and equatorial radius of the millisecond pulsar PSR J0030$+$0451 were estimated from the ICER X-ray spectral-timing event data.
Journal ArticleDOI
The McGill Magnetar Catalog
S. A. Olausen,Victoria M. Kaspi +1 more
TL;DR: In this paper, the authors present a catalog of the 26 currently known magnetars and magnetar candidates, and investigate and plot possible correlations between their timing, X-ray, and multiwavelength properties.
Journal ArticleDOI
Magnetars: the physics behind observations. A review.
TL;DR: A comprehensive overview of magnetar research, in which the observational results are discussed in the light of the most up-to-date theoretical models and their implications address the more fundamental issue of how physics in strong magnetic fields can be constrained by the observations of these unique sources.
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