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Modifications to the Etherington Distance Duality Relation and Observational Limits
Surhud More, Hiroko Niikura, Jonas Schneider +2
The Etherington distance duality relation, which relates the luminosity distance, the angular diameter distance and the redshift of objects, depends only upon a conservation law fo…
Lensing is Low: Cosmology, Galaxy Formation, or New Physics?
Alexie Leauthaud, Shun Saito, Stefan Hilbert +19
We present high signal-to-noise galaxy-galaxy lensing measurements of the BOSS CMASS sample using 250 square degrees of weak lensing data from CFHTLenS and CS82. We compare this si…
Interpreting the strongly lensed supernova iPTF16geu: time delay predictions, microlensing, and lensing rates
Anupreeta More, Sherry H. Suyu, Masamune Oguri +2
We present predictions for time delays between multiple images of the gravitationally lensed supernova, iPTF16geu, which was recently discovered from the intermediate Palomar Trans…
Reconstruction of halo power spectrum from redshift-space galaxy distribution: cylinder-grouping method and halo exclusion effect
Teppei Okumura, Masahiro Takada, Surhud More +1
The peculiar velocity field measured by redshift-space distortions (RSD) in galaxy surveys provides a unique probe of the growth of large-scale structure. However, systematic effec…
Testing gravity on large scales by combining weak lensing with galaxy clustering using CFHTLenS and BOSS CMASS
Shadab Alam, Hironao Miyatake, Surhud More +2
We measure a combination of gravitational lensing, galaxy clustering, and redshift-space distortions called . The quantity probes both parts of metric potential and is i…
A new quadruple gravitational lens from the Hyper Suprime-Cam Survey: the puzzle of HSC~J115252+004733
Anupreeta More, Chien-Hsiu Lee, Masamune Oguri +16
We report the serendipitous discovery of a quadruply lensed source at , HSC~J115252+004733, from the Hyper Suprime-Cam (HSC) Survey. The source is lensed by an earl…