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Note on the effect of a massive accretion disk in the measurements of black hole spins

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arxiv 1406.2181 v2 pith:Z6MTPWYA submitted 2014-06-09 gr-qc astro-ph.HE

Cosimo Bambi , Daniele Malafarina , Naoki Tsukamoto This is my paper · ORCID
classification gr-qcastro-ph.HE
keywords blackaccretiondiskeffectholemassivespindisks
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The spin measurement of black holes has important implications in physics and astrophysics. Regardless of the specific technique to estimate the black hole spin, all the current approaches assume that the space-time geometry around the compact object is exactly described by the Kerr solution. This is clearly an approximation, because the Kerr metric is a stationary solution of the vacuum Einstein equations. In this paper, we estimate the effect of a massive accretion disk in the measurement of the black hole spin with a simple analytical model. For typical accretion disks, the mass of the disk is completely negligible, even for future more accurate measurements. However, for systems with very massive disks the effect may not be ignored.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 62 citations worldwide. Full citation record

  1. Impact of the returning radiation on X-ray reflection spectroscopy measurements: the case of Galactic black holes

    astro-ph.HE 2025-01 conditional novelty 6.0 of 10

    Including returning radiation in relxill does not significantly alter the best-fit parameters of three Galactic black holes.

  2. A Space Mission to Earth's Nearest Black Hole: Reality or Science Fiction?

    gr-qc 2026-07 conditional novelty 4.0 of 10

    An interstellar nanocraft mission to a nearby black hole is technologically speculative but potentially feasible within decades and could deliver precision strong-field tests of General Relativity.

  3. Stellar-Mass Black Holes

    astro-ph.HE 2025-07 conditional novelty 1.0 of 10

    A concise review of stellar-mass black hole physics and observations, plus a speculative interstellar mission concept.

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