Magnification by Gravity
Chien-Hsiu Lee (Subaru Telescope, NAOJ)
TL;DR
This paper discusses how gravitational lensing time-delays of standard candles like supernovae can improve measurements of the Hubble constant, with a focus on the recently discovered iPTF16geu.
Contribution
It highlights the potential of using gravitationally lensed supernovae for precise cosmological measurements, emphasizing the case of iPTF16geu.
Findings
Gravitational lensing time-delays can provide accurate Hubble constant estimates.
The supernova iPTF16geu offers a promising case for such measurements.
Abstract
Gravitational lensing time-delays using standard candles can provide tremendous leverage to cosmology. A recently discovered gravitationally lensed type Ia supernova, iPTF16geu, may yield a precise and accurate measurement of the Hubble constant.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Gamma-ray bursts and supernovae · Astronomy and Astrophysical Research