ULX Collimation by Outflows in Moderately Magnetized Neutron Stars
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F47813059%3A19630%2F25%3AA0000446" target="_blank" >RIV/47813059:19630/25:A0000446 - isvavai.cz</a>
Result on the web
<a href="https://iopscience.iop.org/article/10.3847/1538-4357/adb714" target="_blank" >https://iopscience.iop.org/article/10.3847/1538-4357/adb714</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3847/1538-4357/adb714" target="_blank" >10.3847/1538-4357/adb714</a>
Alternative languages
Result language
angličtina
Original language name
ULX Collimation by Outflows in Moderately Magnetized Neutron Stars
Original language description
We perform radiative magnetohydrodynamics simulations in general relativity of super-Eddington disk accretion onto neutron stars endowed with a magnetic dipole corresponding to surface strengths not exceeding 100 Giga-Gauss. Accretion is found to power strong outflows that collimate the emergent radiation of the accretion columns, leading to apparent radiative luminosities of similar to 100 Eddington, when the true luminosity is a few Eddington units. Surprisingly, the collimation cone/angle widens with increasing magnetic field. Thus, in our simulations the apparent luminosity of the neutron star is substantially larger for the weaker magnetic fields (1010 G) than for the stronger ones (1011 G). We conclude that a super-Eddington accreting neutron star with dipole magnetic field on the order of 1010 G is the most likely source of ultraluminous X-rays.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)
Result continuities
Project
<a href="/en/project/GX21-06825X" target="_blank" >GX21-06825X: Accreting Black Holes in the new era of X-ray polarimetry missions</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Astrophysical Journal
ISSN
0004-637X
e-ISSN
1538-4357
Volume of the periodical
982
Issue of the periodical within the volume
2
Country of publishing house
GB - UNITED KINGDOM
Number of pages
8
Pages from-to
„95-1“-„95-8“
UT code for WoS article
001467971400001
EID of the result in the Scopus database
2-s2.0-105000632789