Zobrazeno 1 - 10
of 305
pro vyhledávání: '"interiors [Stars]"'
Publikováno v:
Monthly Notices of the Royal Astronomical Society: Letters. 520:L42-L47
Neutron stars cool down during their lifetime through the combination of neutrino emission from the interior and photon cooling from the surface. Strongly magnetised neutron stars, called magnetars, are no exception, but the effect of their strong fi
Autor:
A. Claret
The Spanish MEC (AYA2015-71718-R and ESP2017-87676-C5-2-R) is gratefully acknowledged for its support during the development of this work. AC also acknowledges financial support from the grant CEX2021-001131-S funded by MCIN/AEI/10.13039/501100011033
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d024aff4364396864187b799e063342a
https://hdl.handle.net/10481/83238
https://hdl.handle.net/10481/83238
We present the first 3D fully coupled magneto-thermal simulations of neutron stars (including the most realistic background structure and microphysical ingredients so far) applied to a very complex initial magnetic field topology in the crust, simila
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c79beee30139642f61ddbd8ad7f60a1e
http://arxiv.org/abs/2305.06342
http://arxiv.org/abs/2305.06342
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Jiang, C, Cunha, M, Christensen-Dalsgaard, J, Zhang, Q S & Gizon, L 2022, ' Evolution of dipolar mixed-mode coupling factor in red giant stars : impact of buoyancy spike ', Monthly Notices of the Royal Astronomical Society, vol. 515, no. 3, pp. 3853-3866 . https://doi.org/10.1093/mnras/stac2065
Jiang, C, Cunha, M, Christensen-Dalsgaard, J, Zhang, Q S & Gizon, L 2022, ' Evolution of dipolar mixed-mode coupling factor in red giant stars : impact of buoyancy spike ', Monthly Notices of the Royal Astronomical Society, vol. 515, no. 3, pp. 3853-3866 . https://doi.org/10.1093/mnras/stac2065
Mixed modes observed in red giants allow for investigation of the stellar interior structures. One important feature in these structures is the buoyancy spike caused by the discontinuity of the chemical gradient left behind during the first dredge-up
Publikováno v:
Astronomy & Astrophysics, 675, pp. 1-20
Vanlaer, V, Aerts, C, Bellinger, E P & Christensen-Dalsgaard, J 2023, ' Feasibility of structure inversions for gravity-mode pulsators ', Astronomy and Astrophysics, vol. 675, A17 . https://doi.org/10.1051/0004-6361/202245597
Vanlaer, V, Aerts, C, Bellinger, E P & Christensen-Dalsgaard, J 2023, ' Feasibility of structure inversions for gravity-mode pulsators ', Astronomy and Astrophysics, vol. 675, A17 . https://doi.org/10.1051/0004-6361/202245597
Context. Gravity-mode asteroseismology has significantly improved our understanding of mixing in intermediate mass stars. However, theoretical pulsation periods of stellar models remain in tension with observations, and it is often unclear how the mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df381525e2eb9801118ad24c1dcedcb1
Autor:
Mirouh, Giovanni Marcello
Publikováno v:
Frontiers in Astronomy and Space Sciences. 9
Asteroseismology has opened a window on the internal physics of thousands of stars, by relating oscillation spectra properties to the internal physics of stars. Mode identification, namely the process of associating a measured oscillation frequency t
Publikováno v:
Astronomy & Astrophysics, 650, 1-20
Astronomy & Astrophysics, 650, pp. 1-20
Astronomy & Astrophysics, 650, pp. 1-20
Aims: We investigate the thermal and chemical structure in the near-core region of stars with a convective core by means of gravito-inertial modes. We do so by determining the probing power of different asteroseismic observables and fitting methodolo
Publikováno v:
Hekker, S, Angelou, G C, Elsworth, Y & Basu, S 2020, ' Mirror principle and the red-giant bump : The battle of entropy in low-mass stars ', Monthly Notices of the Royal Astronomical Society, vol. 492, no. 4, pp. 5940-5948 . https://doi.org/10.1093/MNRAS/STAA176
The evolution of low-mass stars into red giants is still poorly understood. During this evolution the core of the star contracts and, simultaneously, the envelope expands -- a process known as the `mirror'. Additionally, there is a short phase where
Autor:
Córsico, Alejandro Hugo, Uzundag, Murat, Kepler, Souza Oliveira, Silvotti, Roberto, Althaus, Leandro Gabriel, Koester, Detlev, Baran, Andrzej, Bell, Keaton, Bischoff-Kim, Agnès, Hermes, James J., Kawaler, Steven D., Provencal, Judith L., Winget, Donald Earl, Montgomery, Michael Houston, Bradley, Paul A., Kleinman, Scot James, Nitta, Atsuko
Publikováno v:
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Context. The collection of high-quality photometric data by space telescopes, such as the completed Kepler mission and the ongoing TESS program, is revolutionizing the area of white-dwarf asteroseismology. Among the different kinds of pulsating white
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3056::d524ace0c836a9ccf66996a5472919c7
Publikováno v:
RUA. Repositorio Institucional de la Universidad de Alicante
Universidad de Alicante (UA)
Universidad de Alicante (UA)
The long-term evolution of the internal, strong magnetic fields of neutron stars needs a specific numerical modelling. The diversity of the observed phenomenology of neutron stars indicates that their magnetic topology is rather complex and three-dim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::376ad2736f9e686476f943350a18e148
http://hdl.handle.net/10045/129061
http://hdl.handle.net/10045/129061