Time drift of cosmological redshifts and its variance

Jean Philippe Uzan; Francis Bernardeau; Yannick Mellier

doi:10.1103/PhysRevD.77.021301

Time drift of cosmological redshifts and its variance

Jean Philippe Uzan
, Francis Bernardeau
, Yannick Mellier

Institut d’Astrophysique de Paris
Institut Pierre Simon Laplace, CNRS and CEA

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

The contribution of cosmological perturbations to the time drift of the cosmological redshift is derived. It is shown that the dominant correction arises from the local acceleration of both the emitter and the observer. The amplitude of this effect is estimated to be of the order of 1% of the drift signal at z=2-4, but can easily be lowered down to 0.1% by using many absorption lines and quasars.

langue originale	Anglais
Numéro d'article	021301
journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	77
Numéro de publication	2
Les DOIs	https://doi.org/10.1103/PhysRevD.77.021301
état	Publié - 29 janv. 2008
Modification externe	Oui

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10.1103/PhysRevD.77.021301

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title = "Time drift of cosmological redshifts and its variance",

abstract = "The contribution of cosmological perturbations to the time drift of the cosmological redshift is derived. It is shown that the dominant correction arises from the local acceleration of both the emitter and the observer. The amplitude of this effect is estimated to be of the order of 1\% of the drift signal at z=2-4, but can easily be lowered down to 0.1\% by using many absorption lines and quasars.",

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AB - The contribution of cosmological perturbations to the time drift of the cosmological redshift is derived. It is shown that the dominant correction arises from the local acceleration of both the emitter and the observer. The amplitude of this effect is estimated to be of the order of 1% of the drift signal at z=2-4, but can easily be lowered down to 0.1% by using many absorption lines and quasars.

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M3 - Article

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Time drift of cosmological redshifts and its variance

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