The hubble time inferred from 10 time delay lenses

Prasenjit Saha; Jonathan Coles; Andrea V. MacCiò; Liliya L.R. Williams

doi:10.1086/507583

The hubble time inferred from 10 time delay lenses

Prasenjit Saha
, Jonathan Coles
, Andrea V. MacCiò
, Liliya L.R. Williams

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

76 Scopus citations

Abstract

We present a simultaneous analysis of 10 galaxy lenses having time delay measurements. For each lens, we derive a detailed free-form mass map, with uncertainties, and with the additional requirement of a shared value of the Hubble parameter across all the lenses. We test the prior involved in the lens reconstruction against a galaxy-formation simulation. Assuming a concordance cosmology, we obtain H₀^-1 = 13.5_-1.3 ^+2.5 Gyr.

Original language	English (US)
Pages (from-to)	L17-L20
Journal	Astrophysical Journal
Volume	650
Issue number	1 II
DOIs	https://doi.org/10.1086/507583
State	Published - Oct 10 2006

Keywords

Cosmological parameters
Galaxies: general
Gravitational lensing

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10.1086/507583

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abstract = "We present a simultaneous analysis of 10 galaxy lenses having time delay measurements. For each lens, we derive a detailed free-form mass map, with uncertainties, and with the additional requirement of a shared value of the Hubble parameter across all the lenses. We test the prior involved in the lens reconstruction against a galaxy-formation simulation. Assuming a concordance cosmology, we obtain H0-1 = 13.5-1.3 +2.5 Gyr.",

keywords = "Cosmological parameters, Galaxies: general, Gravitational lensing",

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AU - Coles, Jonathan

AU - MacCiò, Andrea V.

AU - Williams, Liliya L.R.

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AB - We present a simultaneous analysis of 10 galaxy lenses having time delay measurements. For each lens, we derive a detailed free-form mass map, with uncertainties, and with the additional requirement of a shared value of the Hubble parameter across all the lenses. We test the prior involved in the lens reconstruction against a galaxy-formation simulation. Assuming a concordance cosmology, we obtain H0-1 = 13.5-1.3 +2.5 Gyr.

KW - Cosmological parameters

KW - Galaxies: general

KW - Gravitational lensing

UR - https://www.scopus.com/pages/publications/33751421949

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SP - L17-L20

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1 II

ER -

The hubble time inferred from 10 time delay lenses

Abstract

Keywords

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