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The Cooling of Compact Stars

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arxiv astro-ph/0508056 v1 pith:OOAWOMTO submitted 2005-08-01 astro-ph

classification astro-ph
keywords mattercoolingcompactemissionissuesstarstatebody
verification ladder T0 review T1 audit T2 compute T3 formal
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The cooling of a compact star depends very sensitively on the state of dense matter at supranuclear densities, which essentially controls the neutrino emission, as well as on the structure of the stellar outer layers which control the photon emission. Open issues concern the hyperon population, the presence of meson condensates, superfluidity and superconductivity, and the transition of confined hadronic matter to quark matter. This paper describes these issues and presents cooling calculations based on a broad collection of equations of state for neutron star matter and strange matter. These results are tested against the body of observed cooling data.

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Cited by 8 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Cooling of Hybrid Stars with a 2SC+$<dd>$ Phase

    nucl-th 2026-06 unverdicted novelty 7.0 of 10

    Hybrid stars with a 2SC+⟨dd⟩ quark core cool hotter than with 2SC and near CFL; with a 3P2 gap near 5×10^8 K their cooling curves pass through the observed temperatures of 3C58, Vela Jr., and Vela-like pulsars.

  2. Testing selectively enhanced QCD axions couplings as an explanation of the RX J1856.5-3754 hard X-ray excess

    hep-ph 2026-07 conditional novelty 6.0 of 10

    An 18 µeV selectively enhanced QCD axion reproduces the total 2-8 keV flux of RX J1856.5-3754 in unpaired bremsstrahlung, but not the spectral shape; KSVZ axions fall short.

  3. Pair luminosity and cooling of newborn strange star: Color-flavor-locked and two-flavor color superconducting quarks

    astro-ph.HE 2026-07 conditional novelty 5.0 of 10

    Newborn strange stars emit an electron-positron pair wind whose luminosity is a near-universal function of surface temperature and stays below 10^46 erg/s after one second; only the large-gap CFL phase makes pairs com...

  4. Hybrid stars among mass gap objects are excluded by twin stars at $1.4\,M_\odot$

    astro-ph.HE 2026-05 unverdicted novelty 5.0 of 10

    Mass-gap compact objects could be hybrid stars only with very early deconfinement and stiff quark matter; confirming 1.4 M⊙ twin stars would cap hybrid-star maximum mass below 2.2 M⊙.

  5. Bayesian inferences on covariant density functionals from multimessenger astrophysical data: Influences of parametrizations of density dependent couplings

    astro-ph.HE 2025-12 unverdicted novelty 5.0 of 10

    Different parametrizations of density dependence in covariant density functionals produce significant variations in the high-density equation of state and symmetry energy, with rational-function forms providing flexib...

  6. Evolution of Calvera and Descendants of Calvera-like Central Compact Objects

    astro-ph.HE 2026-07 conditional novelty 4.0 of 10

    Calvera and similar CCOs evolve in the fallback-disc model into long-lived ordinary radio pulsars that occupy an observed cluster above the pulsar death valley.

  7. Core Composition Effects on the QCD Axion Mass Limit from Neutron Star Cooling

    hep-ph 2026-06 unverdicted novelty 4.0 of 10

    Varying neutron star core composition with hyperons and Delta resonances mildly affects the QCD axion mass limit from cooling, potentially bringing the DFSZ limit into the IAXO sensitivity window.

  8. Production of Leptophilic Bosons in Ultradegenerate Relativistic Matter

    hep-ph 2026-05 unverdicted novelty 4.0 of 10

    Derives bremsstrahlung production rates and T-dependent energy-loss scalings for leptophilic bosons in NS cores to enable coupling constraints from cooling data.

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