The hubble time inferred from 10 time delay lenses

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

Research output: Contribution to journalArticlepeer-review


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 languageEnglish (US)
Pages (from-to)L17-L20
JournalAstrophysical Journal
Issue number1 II
StatePublished - Oct 10 2006


  • Cosmological parameters
  • Galaxies: general
  • Gravitational lensing

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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