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SDSS J09094449: A Large-separation Strongly Lensed Quasar at with Three Images
Yiping Shu, Rui Marques-Chaves, N. Wyn Evans +1
We report the discovery of SDSS J09094449, an exceptional system consisting of a quasar at strongly lensed by a group of galaxies at into three images sep…
Assessing the effect of lens mass model in cosmological application with updated galaxy-scale strong gravitational lensing sample
Yun Chen, Ran Li, Yiping Shu +1
By comparing the dynamical and lensing masses of early-type lens galaxies, one can constrain both the cosmological parameters and the density profiles of galaxies. We explore the c…
Using deep Residual Networks to search for galaxy-Lyα emitter lens candidates based on spectroscopic-selection
Rui Li, Yiping Shu, Jianlin Su +4
More than one hundred galaxy-scale strong gravitational lens systems have been found by searching for the emission lines coming from galaxies with redshifts higher than the lens ga…
Strong-lensing Measurement of the Mass-density Profile out to 3 Effective Radii for Early-type Galaxies
Rui Li, Yiping Shu, Jiangcheng Wang
We measure the total mass-density profiles out to three effective radii for a sample of 63 , massive early-type galaxies (ETGs) acting as strong gravitational lenses th…
The Magnification Invariant of Circularly-symmetric Lens Models
Chengliang Wei, Zhe Chu, Yiping Shu
In the context of strong gravitational lensing, the magnification of image is of crucial importance to constrain various lens models. For several commonly used quadruple lens model…
The discrepancy between Einstein mass and dynamical mass for SIS and power-law mass models
Rui Li, Jiancheng Wang, Yiping Shu +1
We investigate the discrepancy between the two-dimensional projected lensing mass and the dynam- ical mass for an ensemble of 97 strong gravitational lensing systems discovered by…