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Strong-Field Tests of Gravity Using Pulsars and Black Holes

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arxiv astro-ph/0409379 v1 pith:5UTZJZBF submitted 2004-09-15 astro-ph gr-qc

Strong-Field Tests of Gravity Using Pulsars and Black Holes

M.Kramer (Jodrell Bank Observatory) , D.C.Backer (UC Berkeley) , J.M.Cordes (Cornell) , T.J.W.Lazio (NRL) , B.W.Stappers (ASTRON) , S.Johnston (Sydney Uni.) This is my paper
classification astro-ph gr-qc
keywords pulsarswillgravitynumberblackcensusclocksgalactic
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The sensitivity of the SKA enables a number of tests of theories of gravity. A Galactic Census of pulsars will discover most of the active pulsars in the Galaxy beamed toward us. In this census will almost certainly be pulsar-black hole binaries as well as pulsars orbiting the super-massive black hole in the Galactic centre. These systems are unique in their capability to probe the ultra-strong field limit of relativistic gravity. These measurements can be used to test the Cosmic Censorship Conjecture and the No-Hair theorem. The large number of millisecond pulsars discovered with the SKA will also provide a dense array of precision clocks on the sky. These clocks will act as the multiple arms of a huge gravitational wave detector, which can be used to detect and measure the stochastic cosmological gravitational wave background that is expected from a number of sources.

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Cited by 3 Pith papers

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

  1. Probing an Intermediate-Mass Black Hole Companion of Sagittarius A* with Pulsar Timing

    astro-ph.HE 2026-07 conditional novelty 6.0

    A 1PN numerical timing model shows that a pulsar orbiting Sgr A* produces large, distinctive post-fit residuals from an IMBH companion, enabling constraints that fill gaps left by existing S-star and proper-motion bounds.

  2. Galactic Centre Pulsars with the SKAO

    astro-ph.HE 2026-07 accept novelty 4.0

    Updated SKA-MID sensitivity and multi-beam search strategies can detect up to ~84% of Galactic Centre pulsars (and ~60% of MSPs) under magnetar-like scattering, unlocking precision tests around Sgr A*.

  3. Constraints on Einstein-aether gravity from the precision timing of PSR J1738+0333

    gr-qc 2026-05 unverdicted novelty 4.0

    Precision timing of PSR J1738+0333 from EPTA and NANOGrav data yields the tightest strong-field constraints on Einstein-aether parameters from any single binary pulsar.