Time Delay of PKS1830-211 Using Molecular Absorption Lines
T. Wiklind (1), F. Combes (2), ((1) Onsala Space Observatory, (2), DEMIRM, Observatoire de Paris)
TL;DR
This paper utilizes molecular absorption lines to measure the time delay in PKS1830-211, providing insights into the Hubble constant through a three-year observational campaign.
Contribution
It introduces a method of using molecular absorption lines for time delay measurement in gravitational lens systems, with new observational data and analysis.
Findings
Measured time delay in PKS1830-211
Estimated Hubble constant from delay data
Demonstrated effectiveness of molecular absorption lines for cosmology
Abstract
The use of molecular absorption lines in deriving the timde delay in PKS1830-211 is described, as well as results from a three year monitoring campaign. The time delay and the implied value for the Hubble constant are presented.
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Taxonomy
TopicsAdvanced Frequency and Time Standards · Pulsars and Gravitational Waves Research · Atomic and Subatomic Physics Research