The 3.8 keV feature implies a compactness for 4U 1820-30 that overlaps only marginally with NICER EoS contours if maximum mass is capped at 2.3 solar masses, creating tension with touchdown-flux estimates.
Phys Rev 116:1027
3 Pith papers cite this work. Polarity classification is still indexing.
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UNVERDICTED 3representative citing papers
Re-derivation of the constant-density star in isotropic coordinates produces a transparent metric and highlights under-appreciated special cases including pressure gravitating alone and naked singularities.
Boson stars are particle-like solutions in general relativity that model dark matter, black hole mimickers, and binary systems.
citing papers explorer
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The mass of the neutron star in 4U 1820-30 revisited
The 3.8 keV feature implies a compactness for 4U 1820-30 that overlaps only marginally with NICER EoS contours if maximum mass is capped at 2.3 solar masses, creating tension with touchdown-flux estimates.
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Revisiting Schwarzschild's constant density star in isotropic coordinates
Re-derivation of the constant-density star in isotropic coordinates produces a transparent metric and highlights under-appreciated special cases including pressure gravitating alone and naked singularities.
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Dynamical Boson Stars
Boson stars are particle-like solutions in general relativity that model dark matter, black hole mimickers, and binary systems.