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Astrophysics > Solar and Stellar Astrophysics

arXiv:2312.07647 (astro-ph)
[Submitted on 12 Dec 2023]

Title:Is there a black hole in the center of the Sun?

Authors:Matthew E. Caplan, Earl P. Bellinger, Andrew D. Santarelli
Download a PDF of the paper titled Is there a black hole in the
center of the Sun?, by Matthew E. Caplan and 2 other authors
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    Abstract:There is probably not a black hole in the center of the
    sun. Despite this detail, our goal in this work to convince the
    reader that this question is interesting and that work studying
    stars with central black holes is well motivated. If primordial
    black holes exist then they may exist in sufficiently large
    numbers to explain the dark matter in the universe. While
    primordial black holes may form at almost any mass, the
    asteroid-mass window between $10^{-16} - 10^{-10} ~ \textrm{M}_\
    odot$ remains a viable dark matter candidate and these black
    holes could be captured by stars upon formation. Such a star,
    partially powered by accretion luminosity from a microscopic
    black hole in its core, has been called a `Hawking star.' Stellar
    evolution of Hawking stars is highly nontrivial and requires
    detailed stellar evolution models, which were developed in our
    recent work. We present here full evolutionary models of solar
    mass Hawking stars using two accretion schemes: one with a
    constant radiative efficiency, and one that is new in this work
    that uses an adaptive radiative efficiency to model the effects
    of photon trapping.

Comments: 12 pages, 4 figures, Invited article in Ap&SS
          Solar and Stellar Astrophysics (astro-ph.SR); Cosmology and
Subjects: Nongalactic Astrophysics (astro-ph.CO); High Energy
          Astrophysical Phenomena (astro-ph.HE); General Relativity
          and Quantum Cosmology (gr-qc)
Cite as:  arXiv:2312.07647 [astro-ph.SR]
          (or arXiv:2312.07647v1 [astro-ph.SR] for this version)
          https://doi.org/10.48550/arXiv.2312.07647
          Focus to learn more
          arXiv-issued DOI via DataCite

Submission history

From: Matthew Caplan [view email]
[v1] Tue, 12 Dec 2023 19:00:00 UTC (4,222 KB)
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