Search Results - "Oguri, Masamune"

Effect of gravitational lensing on the distribution of gravitational waves from distant binary black hole mergers by Oguri, Masamune

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A cluster finding algorithm based on the multiband identification of red sequence galaxies by Oguri, Masamune

“…We present a new algorithm, CAMIRA, to identify clusters of galaxies in wide-field imaging survey data. We base our algorithm on the stellar population…”
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Fast Calculation of Gravitational Lensing Properties of Elliptical Navarro–Frenk–White and Hernquist Density Profiles by Oguri, Masamune

“…Abstract We present a new approach for fast calculation of gravitational lensing properties, including the lens potential, deflection angles, convergence, and…”
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The Mass Distribution of SDSS J1004 $+$ 4112 Revisited by Oguri, Masamune

“…We present a strong lens analysis of SDSS J1004 $+$ 4112, a unique quasar lens produced by a massive cluster of galaxies at $z =$ 0.68, using newly developed…”
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Predicted properties of multiple images of the strongly lensed supernova SN Refsdal by Oguri, Masamune

“…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…”
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Gravitational Lens Time Delays: A Statistical Assessment of Lens Model Dependences and Implications for the Global Hubble Constant by Oguri, Masamune

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A Comprehensive Study of Galaxies at z ∼ 9–16 Found in the Early JWST Data: Ultraviolet Luminosity Functions and Cosmic Star Formation History at the Pre-reionization Epoch by Harikane, Yuichi, Ouchi, Masami, Oguri, Masamune, Ono, Yoshiaki, Nakajima, Kimihiko, Isobe, Yuki, Umeda, Hiroya, Mawatari, Ken, Zhang, Yechi

“…Abstract We conduct a comprehensive study on dropout galaxy candidates at z ∼ 9–16 using the first 90 arcmin 2 James Webb Space Telescope (JWST) Near Infrared…”
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REVISING THE HALOFIT MODEL FOR THE NONLINEAR MATTER POWER SPECTRUM by TAKAHASHI, Ryuichi, SATO, Masanori, NISHIMICHI, Takahiro, TARUYA, Atsushi, OGURI, Masamune

“…Based on a suite of state-of-the-art high-resolution N-body simulations, we revisit the so-called halofit model as an accurate fitting formula for the…”
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Full-data Results of Hubble Frontier Fields: UV Luminosity Functions at z ∼ 6-10 and a Consistent Picture of Cosmic Reionization by Ishigaki, Masafumi, Kawamata, Ryota, Ouchi, Masami, Oguri, Masamune, Shimasaku, Kazuhiro, Ono, Yoshiaki

“…We present UV luminosity functions of dropout galaxies at with the complete Hubble Frontier Fields data. We obtain a catalog of ∼450 dropout-galaxy candidates…”
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Gravitationally lensed quasars and supernovae in future wide-field optical imaging surveys by Oguri, Masamune, Marshall, Philip J.

“…Cadenced optical imaging surveys in the next decade will be capable of detecting time-varying galaxy-scale strong gravitational lenses in large numbers,…”
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Size-Luminosity Relations and UV Luminosity Functions at z = 6-9 Simultaneously Derived from the Complete Hubble Frontier Fields Data by Kawamata, Ryota, Ishigaki, Masafumi, Shimasaku, Kazuhiro, Oguri, Masamune, Ouchi, Masami, Tanigawa, Shingo

“…We construct z ∼ 6-7, 8, and 9 faint Lyman break galaxy samples (334, 61, and 37 galaxies, respectively) with accurate size measurements with the software…”
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PRECISE STRONG LENSING MASS MODELING OF FOUR HUBBLE FRONTIER FIELD CLUSTERS AND A SAMPLE OF MAGNIFIED HIGH-REDSHIFT GALAXIES by Kawamata, Ryota, Oguri, Masamune, Ishigaki, Masafumi, Shimasaku, Kazuhiro, Ouchi, Masami

“…ABSTRACT We conduct precise strong lensing mass modeling of four Hubble Frontier Field (HFF) clusters, Abell 2744, MACS J0416.1−2403, MACS J0717.5+3745, and…”
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JWST Census for the Mass–Metallicity Star Formation Relations at z = 4–10 with Self-consistent Flux Calibration and Proper Metallicity Calibrators by Nakajima, Kimihiko, Ouchi, Masami, Isobe, Yuki, Harikane, Yuichi, Zhang, Yechi, Ono, Yoshiaki, Umeda, Hiroya, Oguri, Masamune

“…Abstract We present the evolution of the mass–metallicity (MZ) relation at z = 4–10 derived with 135 galaxies identified in JWST/NIRSpec data taken from the…”
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Revealing dark matter dress of primordial black holes by cosmological lensing by Oguri, Masamune, Takhistov, Volodymyr, Kohri, Kazunori

“…Stellar-mass primordial black holes (PBHs) from the early Universe can directly contribute to the gravitational wave (GW) events observed by LIGO, but can only…”
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The bright-star masks for the HSC-SSP survey by Coupon, Jean, Czakon, Nicole, Bosch, James, Komiyama, Yutaka, Medezinski, Elinor, Miyazaki, Satoshi, Oguri, Masamune

“…Abstract We present the procedure to build and validate the bright-star masks for the Hyper-Suprime-Cam Strategic Subaru Proposal (HSC-SSP) survey. To identify…”
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Very small scale clustering of quasars from a complete quasar lens survey by Kayo, Issha, Oguri, Masamune

“…Abstract We measure the small-scale (comoving separation 10 ≲ r p ≲ 200 h −1 kpc) two-point correlation function of quasars using a sample of 26…”
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The richness-to-mass relation of CAMIRA galaxy clusters from weak-lensing magnification in the Subaru Hyper Suprime-Cam survey by Chiu, I-Non, Umetsu, Keiichi, Murata, Ryoma, Medezinski, Elinor, Oguri, Masamune

“…ABSTRACT We present a statistical weak-lensing magnification analysis on an optically selected sample of 3029 CAMIRA (Cluster finding Algorithm based on…”
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Cross-correlation of the thermal Sunyaev–Zel’dovich effect and weak gravitational lensing: Planck and Subaru Hyper Suprime-Cam first-year data by Osato, Ken, Shirasaki, Masato, Miyatake, Hironao, Nagai, Daisuke, Yoshida, Naoki, Oguri, Masamune, Takahashi, Ryuichi

“…ABSTRACT Cross-correlation analysis of the thermal Sunyaev–Zel’dovich (tSZ) effect and weak gravitational lensing (WL) provides a powerful probe of cosmology…”
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An Analytic Model for the Subgalactic Matter Power Spectrum in Fuzzy Dark Matter Halos by Kawai, Hiroki, Oguri, Masamune, Amruth, Alfred, Broadhurst, Tom, Lim, Jeremy

“…Abstract Fuzzy dark matter (FDM), a scalar particle coupled to the gravitational field without self-interaction, whose mass range is m ∼ 10 −24 –10 −20 eV, is…”
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Microlensing constraints on primordial black holes with Subaru/HSC Andromeda observations by Niikura, Hiroko, Takada, Masahiro, Yasuda, Naoki, Lupton, Robert H., Sumi, Takahiro, More, Surhud, Kurita, Toshiki, Sugiyama, Sunao, More, Anupreeta, Oguri, Masamune, Chiba, Masashi

“…Primordial black holes (PBHs) have long been suggested as a viable candidate for the elusive dark matter. The abundance of such PBHs has been constrained using…”
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