Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Sur, Ankan"'
We introduce APPLE, a novel planetary evolution code designed specifically for the study of giant exoplanet and Jovian planet evolution in the era of Galileo, Juno, and Cassini. With APPLE, state-of-the-art equations of state for hydrogen, helium, ic
Externí odkaz:
http://arxiv.org/abs/2404.14483
NICER has observed a few millisecond pulsars where the geometry of the X-ray emitting hotspots on the neutron star is analyzed in order to constrain the mass and radius from X-ray light curve modeling. One example, PSR J0030+0451, is shown to possibl
Externí odkaz:
http://arxiv.org/abs/2402.11474
The equation of state of hydrogen-helium (H-He) mixtures plays a vital role in the evolution and structure of gas giant planets and exoplanets. Recent equations of state that account for hydrogen-helium interactions, coupled with hydrogen-helium immi
Externí odkaz:
http://arxiv.org/abs/2401.04172
We present updated atmospheric tables suitable for calculating the post-formation evolution and cooling of Jupiter and Jupiter-like exoplanets. These tables are generated using a 1D radiative transfer modeling code that incorporates the latest opacit
Externí odkaz:
http://arxiv.org/abs/2309.00820
Strong magnetic fields play an important role in powering the emission of neutron stars. Nevertheless a full understanding of the interior configuration of the field remains elusive. In this work, we present General Relativistic MagnetoHydroDynamics
Externí odkaz:
http://arxiv.org/abs/2108.11858
Autor:
Sur, Ankan, Haskell, Brynmor
Publikováno v:
Publications of the Astronomical Society of Australia, Volume 38 (2021)
Equilibrium configurations of the internal magnetic field of a pulsar play a key role in modeling astrophysical phenomena, from glitches to gravitational wave emission. In this paper we present a numerical scheme for solving the Grad-Shafranov equati
Externí odkaz:
http://arxiv.org/abs/2104.14908
Autor:
Sur, Ankan, Haskell, Brynmor
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 502, Issue 4, April 2021, Pages 4680-4688
In this paper we study the spin-evolution and gravitational-wave luminosity of a newly born millisecond magnetar, formed either after the collapse of a massive star or after the merger of two neutron stars. In both cases we consider the effect of fal
Externí odkaz:
http://arxiv.org/abs/2010.15574
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 495, Issue 1, June 2020
We have studied numerically the evolution of magnetic fields in barotropic neutron stars, by performing nonlinear magnetohydrodynamical simulations with the code PLUTO. For both initially predominantly poloidal and toroidal fields, with varying stren
Externí odkaz:
http://arxiv.org/abs/2002.10357
Autor:
Gray, Rachel, Hernandez, Ignacio Magaña, Qi, Hong, Sur, Ankan, Brady, Patrick R., Chen, Hsin-Yu, Farr, Will M., Fishbach, Maya, Gair, Jonathan R., Ghosh, Archisman, Holz, Daniel E., Mastrogiovanni, Simone, Messenger, Christopher, Steer, Danièle A., Veitch, John
Publikováno v:
Phys. Rev. D 101, 122001 (2020)
The observation of binary neutron star merger GW170817, along with its optical counterpart, provided the first constraint on the Hubble constant $H_0$ using gravitational wave standard sirens. When no counterpart is identified, a galaxy catalog can b
Externí odkaz:
http://arxiv.org/abs/1908.06050
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