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Evidence for a 2:3 resonance in Sco X-1 kHz QPOs

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arxiv astro-ph/0206490 v2 pith:2D2QBXOZ submitted 2002-06-27 astro-ph

M.A. Abramowicz , T. Bulik , M. Bursa , W. Kluzniak This is my paper · ORCID
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We find evidence that the two high frequency QPOs in Sco X-1 are, more often than not, approximately in the 2:3 frequency ratio familiar from studies of black hole candidates (e.g., XTE J1550-564, Remillard et al. 2002). This implies that the double kHz QPO phenomenon in neutron stars has its origin in properties of strong-field gravity and has little to do with the rotation of a stellar surface or any magnetic field structure anchored in the star.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 135 citations worldwide. Full citation record

  1. Orbital Motion in Spacetimes Influenced by the Presence of Scalar and Electromagnetic Fields

    gr-qc 2025-01 conditional novelty 6.0 of 10

    Strong scalar fields around naked singularities can create stable circular orbits, and charged scalar-field spacetimes can host both stable and unstable photon orbits.

  2. Epicyclic motion of charged particles around a weakly magnetized Kiselev black hole

    gr-qc 2026-01 unverdicted novelty 4.0 of 10

    Epicyclic frequencies, periapsis shift, and gravitational Larmor precession are derived for charged particles in the weak-magnetic limit of a magnetized Kiselev black hole.

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