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Predicted properties of multiple images of the strongly lensed supernova SN Refsdal
Masamune Oguri
We construct a mass model of the cluster MACS J1149.6+2223 to study the expected properties of multiple images of SN Refsdal, the first example of a gravitationally lensed supernov…
CHITAH: Strong-gravitational-lens hunter in imaging surveys
James H. H. Chan, Sherry H. Suyu, Tzihong Chiueh +5
Strong gravitationally lensed quasars provide powerful means to study galaxy evolution and cosmology. Current and upcoming imaging surveys will contain thousands of new lensed quas…
Resolving the Clumpy Structure of the Outflow Winds in the Gravitationally Lensed Quasar SDSS J1029+2623
Toru Misawa, Naohisa Inada, Masamune Oguri +4
We study the geometry and the internal structure of the outflowing wind from the accretion disk of a quasar by observing multiple sightlines with the aid of strong gravitational le…
The sizes of lensed galaxies from the Hubble Frontier Fields Abell 2744 data
Ryota Kawamata, Masafumi Ishigaki, Kazuhiro Shimasaku +2
We investigate sizes of dropout galaxies using the complete data of the Abell 2744 cluster and parallel fields in the Hubble Frontier Fields program. By directly fitting…
Inferring Host Dark Matter Halo Masses of Individual Galaxies from Neighboring Galaxy Counts
Masamune Oguri, Yen-Ting Lin
How well can we infer host dark matter halo masses of individual galaxies? Based on the halo occupation distribution (HOD) framework, we analytically compute the number of neighbor…
Adaptive optics observations of the gravitationally lensed quasar SDSS J1405+0959
Cristian E. Rusu, Masamune Oguri, Yosuke Minowa +4
We present the result of Subaru Telescope multi-band adaptive optics observations of the complex gravitationally lensed quasar SDSS J1405+0959, which is produced by two lensing gal…