Results 11 to 20 of about 12,989 (225)

Supernova remnants with magnetars: clues to magnetar formation [PDF]

open access: yesAdvances in Space Research, 2007
I discuss the lack of observational evidence that magnetars are formed as rapidly rotating neutron stars. Supernova remnants containing magnetars do not show the excess of kinetic energy expected for such a formation scenario, nor is there any evidence ...
Akiyama   +59 more
core   +2 more sources

INTEGRAL Observations of Magnetars

open access: yesAstronomische Nachrichten
ABSTRACTThe INTEGRAL satellite has collected a large amount of data on magnetars in our Galaxy, spanning more than 20 years starting from 2003. The large data set obtained with the IBIS/ISGRI instrument at energies above 20 keV allows us to study both the properties and long‐term evolution of their persistent hard X‐ray emission and the population ...
Pacholski D. P.   +3 more
openaire   +3 more sources

Wind braking of magnetars: to understand magnetar's multiwave radiation properties [PDF]

open access: yesAstronomische Nachrichten, 2014
Magnetars are proposed to be peculiar neutron stars powered by their super strong magnetic field. Observationally, anomalous X-ray pulsars and soft gamma-ray repeaters are believed to be magnetar candidates.
Tong, H., Xu, R. X.
core   +2 more sources

Observations of Radio Magnetars with the Deep Space Network

open access: yesAdvances in Astronomy, 2019
The Deep Space Network (DSN) is a worldwide array of radio telescopes which supports NASA’s interplanetary spacecraft missions. When the DSN antennas are not communicating with spacecraft, they provide a valuable resource for performing observations of ...
Aaron B. Pearlman   +2 more
doaj   +2 more sources

Magnetars [PDF]

open access: green, 2005
P-stars are compact stars made of up and down quarks in beta-equilibrium with electrons in a chromomagnetic condensate. P-stars are able to account for compact stars like RXJ 1856.5-3754 and RXJ 0720.4-3125, stars with radius comparable with canonical neutron stars, as well as super massive compact objects like SgrA*.
Jeremy Heyl
  +6 more sources

Magnetars [PDF]

open access: yesAnnual Review of Astronomy and Astrophysics, 2017
Magnetars are young and highly magnetized neutron stars that display a wide array of X-ray activity including short bursts, large outbursts, giant flares, and quasi-periodic oscillations, often coupled with interesting timing behavior including enhanced spin-down, glitches, and antiglitches.
Kaspi, Victoria M., Beloborodov, Andrei
openaire   +4 more sources

MAGNETAR HEATING [PDF]

open access: yesThe Astrophysical Journal, 2016
ABSTRACT We examine four candidate mechanisms that could explain the high surface temperatures of magnetars. (1) Heat flux from the liquid core heated by ambipolar diffusion. It could sustain the observed surface luminosity erg s−1 if core heating offsets neutrino cooling ...
Beloborodov, Andrei M., Li, Xinyu
openaire   +2 more sources

Anisotropic Behavior of S‐Wave and P‐Wave States of Heavy Quarkonia at Finite Magnetic Field

open access: yesAdvances in High Energy Physics, Volume 2023, Issue 1, 2023., 2023
We studied the effect of momentum space anisotropy on heavy quarkonium states using an extended magnetized effective fugacity quasiparticle model (EQPM). Both the real and imaginary part of the potential has been modified through the dielectric function by including the anisotropic parameter ξ.
Manohar Lal   +4 more
wiley   +1 more source

Density Perturbation and Cosmological Evolution in the Presence of Magnetic Field in f(R) Gravity Models

open access: yesAdvances in High Energy Physics, Volume 2022, Issue 1, 2022., 2022
In this paper, we have investigated the density perturbations and cosmological evolution in the FLRW universe in the presence of a cosmic magnetic field, which may be assumed to mimic primordial magnetic fields. Such magnetic fields have sufficient strength to influence galaxy formation and cluster dynamics, thereby leaving an imprint on the CMB ...
Samarjit Chakraborty   +2 more
wiley   +1 more source

Impacts of Ionospheric Ions on Magnetic Reconnection and Earth's Magnetosphere Dynamics

open access: yesReviews of Geophysics, Volume 59, Issue 3, September 2021., 2021
Abstract Ionospheric ions (mainly H+, He+, and O+) escape from the ionosphere and populate the Earth's magnetosphere. Their thermal energies are usually low when they first escape the ionosphere, typically a few electron volt to tens of electron volt, but they are energized in their journey through the magnetosphere.
S. Toledo‐Redondo   +15 more
wiley   +1 more source

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