Hyper Suprime-Cam Year 3 results: Measurements of clustering of SDSS-BOSS galaxies, galaxy-galaxy lensing, and cosmic shear

Surhud More, Sunao Sugiyama, Hironao Miyatake, Markus Michael Rau, Masato Shirasaki, Xiangchong Li, Atsushi J. Nishizawa, Ken Osato, Tianqing Zhang, Masahiro Takada, Takashi Hamana, Ryuichi Takahashi, Roohi Dalal, Rachel Mandelbaum, Michael A. Strauss, Yosuke Kobayashi, Takahiro Nishimichi, Masamune Oguri, Wentao Luo, Arun Kannawadi, Bau-Ching Hsieh, Robert Armstrong, James Bosch, Yutaka Komiyama, Robert H. Lupton, Nate B. Lust, Lauren A. MacArthur, Satoshi Miyazaki, Hitoshi Murayama, Yuki Okura, Paul A. Price, Philip J. Tait, Masayuki Tanaka, Shiang-Yu Wang

Physical Review D   ( 108 )   123520   2023.12

Probing the Solar Interior with Lensed Gravitational Waves from Known Pulsars

Ryuichi Takahashi, Soichiro Morisaki, Teruaki Suyama

The Astrophysical Journal   ( 957 )   52   2023.11

On weak lensing response functions

D. Munshi, R. Takahashi, J. D. McEwen

Journal of Cosmology and Astroparticle Physics   ( 010 )   1 - 21   2022.10

Cosmological inference from an emulator based halo model. II. Joint analysis of galaxy-galaxy weak lensing and galaxy clustering from HSC-Y1 and SDSS

Hironao Miyatake, Sunao Sugiyama, Masahiro Takada, Takahiro Nishimichi, Masato Shirasaki, Yosuke Kobayashi, Rachel Mandelbaum, Surhud More, Masamune Oguri, Ken Osato, Youngsoo Park, Ryuichi Takahashi, Jean Coupon, Chiaki Hikage, Bau-Ching Hsieh, Alexie Leauthaud, Xiangchong Li, Wentao Luo, Robert H. Lupton, Satoshi Miyazaki, Hitoshi Murayama, Atsushi J. Nishizawa, Paul A. Price, Melanie Simet, Joshua S. Speagle, Michael A. Strauss, Masayuki Tanaka, Naoki Yoshida

Physical Review D   ( 106 )   083520-1 - 083520-39   2022.10

Cosmological inference from an emulator based halo model. I. Validation tests with HSC and SDSS mock catalogs

Hironao Miyatake, Yosuke Kobayashi, Masahiro Takada, Takahiro Nishimichi, Masato Shirasaki, Sunao Sugiyama, Ryuichi Takahashi, Ken Osato, Surhud More, Youngsoo Park

Physical Review D   ( 106 )   083519-1 - 083519-36   2022.10

Separate universe approach to evaluate nonlinear matter power spectrum for nonflat ΛCDM model

Ryo Terasawa, Ryuichi Takahashi, Takahiro Nishimichi, Masahiro Takada

Physical Review D   ( 106 )   083504-1 - 083504-18   2022.10

Amplitude and phase fluctuations of gravitational waves magnified by strong gravitational lensing

Masamune Oguri, Ryuichi Takahashi

Physical Review D   ( 106 )   043532-1 - 043532-9   2022.8

HSC Year 1 cosmology results with the minimal bias method: HSC×BOSS galaxy-galaxy weak lensing and BOSS galaxy clustering

Sunao Sugiyama, Masahiro Takada, Hironao Miyatake, Takahiro Nishimichi, Masato Shirasaki, Yosuke Kobayashi, Rachel Mandelbaum, Surhud More, Ryuichi Takahashi, Ken Osato, Masamune Oguri, Jean Coupon, Chiaki Hikage, Bau-Ching Hsieh, Yutaka Komiyama, Alexie Leauthaud, Xiangchong Li, Wentao Luo, Robert H. Lupton, Hitoshi Murayama, Atsushi J. Nishizawa, Youngsoo Park, Paul A. Price, Melanie Simet, Joshua S. Speagle, Michael A. Strauss, Masayuki Tanaka

Physical Review D   ( 105 )   123537-1 - 123537-23   2022.6

A new estimator for phase statistics

D. Munshi, R. Takahashi, J. D. McEwen, T. D. Kitching, F. R. Bouchet

Journal of Cosmology and Astroparticle Physics   ( 005 )   1 - 16   2022.5

Probing cosmology and gastrophysics with fast radio bursts: Cross-correlations of dark matter haloes and cosmic dispersion measures

Masato Shirasaki, Ryuichi Takahashi, Ken Osato, Kunihito Ioka

2022.2

Cosmological boost factor for dark matter annihilation at redshifts of z=10−100 using the power spectrum approach

Ryuichi Takahashi, Kazunori Kohri

2021.11

Impacts of new small-scale N -body simulations on dark matter annihilations constrained from cosmological 21-cm line observations

Nagisa Hiroshima, Kazunori Kohri, Toyokazu Sekiguchi, Ryuichi Takahashi

2021.10

Statistical modelling of the cosmological dispersion measure

Ryuichi Takahashi,Kunihito Ioka, Asuka Mori, Koki Funahashi

502 ( 2 )   2615 - 2629   2021.4

Power spectrum of halo intrinsic alignments in simulations

Toshiki Kurita, Masahiro Takada, Takahiro Nishimichi, Ryuichi Takahashi, Ken Osato, Yosuke Kobayashi

Monthly Notices of the Royal Astronomical Society   ( 501 )   833   2021.2

Constraining primordial non-Gaussianity with postreconstructed galaxy bispectrum in redshift space

Masato Shirasaki, Naonori S. Sugiyama, Ryuichi Takahashi, Francisco-Shu Kitaura

Physical Review D   ( 103 )   023506   2021.1

Covariance of the redshift-space matter power spectrum after reconstruction

Chiaki Hikage, Ryuichi Takahashi, Kazuya Koyama

Physical Review D   ( 102 )   083514   2020.9

Accurate emulator for the redshift-space power spectrum of dark matter halos and its application to galaxy power spectrum

Yosuke Kobayashi, Takahiro Nishimichi, Masahiro Takada, Ryuichi Takahashi, Ken Osato

Physical Review D   ( 102 )   063504   2020.9

Probing Dark Low-mass Halos and Primordial Black Holes with Frequency-dependent Gravitational Lensing Dispersions of Gravitational Waves

Masamune Oguri, Ryuichi Takahashi

The Astrophysical Journal   ( 901 )   58   2020.9

Fitting the Nonlinear Matter Bispectrum by the Halofit Approach

Ryuichi Takahashi, Takahiro Nishimichi, Toshiya Namikawa, Atsushi Taruya, Issha Kayo, Ken Osato, Yosuke Kobayashi, Masato Shirasaki

The Astrophysical Journal   ( 895 )   113   2020.6

The weak lensing bispectrum induced by gravity

D. Munshi, T. Namikawa, T. D. Kitching, J. D. McEwen, R. Takahashi, F. R. Bouchet, A. Taruya, B. Bose

Monthly Notices of the Royal Astronomical Society   ( 493 )   3985   2020.4

Cross-correlation of the thermal Sunyaev-Zel'dovich effect and weak gravitational lensing: Planck and Subaru Hyper Suprime-Cam first-year data

Ken Osato, Masato Shirasaki, Hironao Miyatake, Daisuke Nagai, Naoki Yoshida, Masamune Oguri, Ryuichi Takahashi

Monthly Notices of the Royal Astronomical Society   492 ( 4 )   4780 - 4804   2020.3

Perturbation theory for the redshift-space matter power spectra after reconstruction

Chiaki Hikage, Kazuya Koyama, Ryuichi Takahashi

Physical Review D   101 ( 4 )   043510   2020.2

Cosmological information content in redshift-space power spectrum of SDSS-like galaxies in the quasinonlinear regime up to k =0.3 h Mpc-1

Yosuke Kobayashi, Takahiro Nishimichi, Masahiro Takada, Ryuichi Takahashi

Physical Review D   101 ( 2 )   023510   2020.1

Dark Quest. I. Fast and Accurate Emulation of Halo Clustering Statistics and Its Application to Galaxy Clustering

Takahiro Nishimichi, Masahiro Takada, Ryuichi Takahashi, Ken Osato, Masato Shirasaki, Taira Oogi, Hironao Miyatake, Masamune Oguri, Ryoma Murata, Yosuke Kobayashi, Naoki Yoshida

The Astrophysical Journal   884 ( 1 )   2019.10

Mock galaxy shape catalogues in the Subaru Hyper Suprime-Cam Survey

Masato Shirasaki, Takashi Hamana, Masahiro Takada, Ryuichi Takahashi, Hironao Miyatake

Monthly Notices of the Royal Astronomical Society   486 ( 1 )   52 - 69   2019.6

CMB lensing bispectrum: Assessing analytical predictions against full-sky lensing simulations

Toshiya Namikawa, Benjamin Bose, Francois R. Bouchet, Ryuichi Takahashi, Atsushi Taruya

Physical Review D   99 ( 6 )   063511   2019.3

Covariances for cosmic shear and galaxy-galaxy lensing in the response approach

Ryuichi Takahashi, Takahiro Nishimichi, Masahiro Takada, Masato Shirasaki, Kosei Shiroyama

Monthly Notices of the Royal Astronomical Society   482 ( 3 )   4253 - 4277   2019.1

Impact of nonlinear growth of the large-scale structure on CMB B-mode delensing

Toshiya Namikawa, Ryuichi Takahashi

Physical Review D   99 ( 2 )   023530   2019.1

Constraints on the Mass–Richness Relation from the Abundance and Weak Lensing of SDSS Clusters

R. Murata, T. Nishimichi, M. Takada, H. Miyatake, M. Shirasaki, S. More, R. Takahashi, K. Osato

The Astrophysical Journal   2018.2

The first-year shear catalog of the Subaru Hyper Suprime-Cam Subaru Strategic Program Survey

R. Mandelbaum, H. Miyatake, T. Hamana, M. Oguri, M. Simet, R. Armstrong, J. Bosch, R. Murata, F. Lanusse, A. Leauthaud, J. Coupon, S. More, M. Takada, S. Miyazaki, J.S. Speagle, M. Shirasaki, C. Sifon, S. Huang, A.J. Nishizawa, E. Medezinski, Y. Okura, N. Okabe, N. Czakon, R. Takahashi, W. Coulton, C. Hikage, Y. Komiyama, R.H. Lupton, M.A. Strauss, M. Tanaka, Y. Utsumi

Publications of the Astronomical Society of Japan   2018.1

Full-sky Gravitational Lensing Simulation for Large-area Galaxy Surveys and Cosmic Microwave Background Experiments

R. Takahashi, T. Hamana, M. Shirasaki, T. Namikawa, T. Nishimichi, K. Osato, K. Shiroyama

The Astrophysical Journal   2017.11

Robust covariance estimation of galaxy-galaxy weak lensing: validation and limitation of jackknife covariance

M. Shirasaki, M. Takada, H. Miyatake, R. Takahashi, T. Hamana, T. Nishimichi, R. Murata

Monthly Notices of the Royal Astronomical Society   2017.9

Arrival Time Differences between Gravitational Waves and Electromagnetic Signals due to Gravitational Lensing

Ryuichi Takahashi

The Astrophysical Journal   2017.1

The Subaru FMOS galaxy redshift survey (FastSound). IV. New constraint on gravity theory from redshift space distortions at z~1.4

T. Okumura, C. Hikage, T. Totani, M. Tonegawa, H. Okada, K. Glazebrook, C. Blake, P.G. Ferreira, S. More, A. Taruya, S. Tsujikawa, M. Akiyama, G. Dalton, T. Goto, T. Ishikawa, F. Iwamuro, T. Matsubara, T. Nishimichi, K. Ohta, I. Shimizu, R. Takahashi, N. Takato, N. Tamura, K. Yabe, N. Yoshida

Publications of the Astronomical Society of Japan   2016.6

Constraints on small-scale cosmological fluctuations from SNe lensing dispersion

Ido Ben-Dayan, Ryuichi Takahashi

Monthly Notices of the Royal Astronomical Society   1 ( 455 )   552 - 562   2016.1

Tension in Amplitudes of Cosmological Density Fluctuations Inferred by Cosmic Microwave Background(CMB)and Measured by Large Scale Structure(LSS)

Takahashi Ryuichi

Butsuri   71 ( 9 )   598 - 606   2016

Detection of universality of dark matter profile from Subaru weak lensing measurements of 50 massive clusters

Hiroko Niikura, Masahiro Takada, Nobuhiro Okabe, Rossella Martino, Ryuichi Takahashi

Publications of the Astronomical Society of Japan   6 ( 67 )   10324   2015.12

Constraints on warm dark matter from weak lensing in anomalous quadruple lenses

Kaiki Taro Inoue, Ryuichi Takahashi, Tomo Takahashi, Tomoaki Ishiyama

Monthly Notices of the Royal Astronomical Society   3 ( 448 )   2704 - 2716   2015.4

An optimal survey geometry of weak lensing survey: minimizing supersample covariance

Ryuichi Takahashi, Shunji Soma, Masahiro Takada and Issha Kayo

Monthly Notices of the Royal Astronomical Society   4 ( 444 )   3473 - 3487   2014.11

On the systematic errors of cosmological-scale gravity tests using redshift-space distortion: non-linear effects and the halo bias

Takashi Ishikawa, Tomonori Totani, Takahiro Nishimichi, Ryuichi Takahashi, Naoki Yoshida and Motonari Tonegawa

Monthly Notices of the Royal Astronomical Society   4 ( 443 )   3359 - 3367   2014.10

Weak lensing by intergalactic ministructures in quadruple lens systems: simulation and detection

Ryuichi Takahashi and Kaiki Inoue

Monthly Notices of the Royal Astronomical Society   1 ( 440 )   870 - 888   2014.5

Bias-hardened CMB lensing with polarization

Toshiya Namikawa, Ryuichi Takahashi

Monthly Notices of the Royal Astronomical Society   2 ( 438 )   1507 - 1517   2014.2

Bias-hardened CMB lensing

Toshiya Namikawa, Duncan Hanson, Ryuichi Takahashi

Monthly Notices of the Royal Astronomical Society   1 ( 431 )   609 - 620   2013.5

Observational Upper Bound on the Cosmic Abundances of Negative-mass Compact Objects and Ellis Wormholes from the Sloan Digital Sky Survey

Ryuichi Takahashi, Hideki Asada

The Astrophysical Journal   1 ( 768 )   L16   2013.5

Revising the Halofit Model for the Nonlinear Matter Power Spectrum

Ryuichi Takahashi, et al.

The Astrophysical Journal   2 ( 761 )   152   2012.12

Weak lensing by line-of-sight haloes as the origin of flux-ratio anomalies in quadruply lensed QSOs

Kaiki Inoue and Ryuichi Takahashi

Monthly Notices of the Royal Astronomical Society   4 ( 426 )   2978 - 2993   2012.11

Probability Distribution Functions of Cosmological Lensing: Convergence, Shear, and Magnification

Ryuichi Takahashi, et al.

The Astrophysical Journal   2 ( 742 )   15   2011.11

Non-Gaussian Error Contribution to Likelihood Analysis of the Matter Power Spectrum

Ryuichi Takahashi, et al.

The Astrophysical Journal   1 ( 726 )   7   2011.1

Simulations of Baryon Acoustic Oscillations: Likelihood Analysis of the Matter Power Spectrum

Ryuichi Takahashi, Naoki Yoshida, Masahiro Takada, Takahiko Matsubara, Naoshi Sugiyama, Issha Kayo, Takahiro Nishimichi, Shun Saito, Atsushi Taruya

Proceedings of the 19th Workshop on General Relativity and Gravitation in Japan   331 - 334   2010.2

Simulations of Wide-Field Weak Lensing Surveys. I. Basic Statistics and Non-Gaussian Effects

Masanori Sato, Takashi Hamana, Ryuichi Takahashi, Masahiro Takada, Naoki Yoshida, Takahiko Matsubara, Naoshi Sugiyama

Astrophysical Journal   701   945 - 954   2009.8

Simulations of Baryon Acoustic Oscillations II: Covariance matrix of the matter power spectrum

Ryuichi Takahashi, Naoki Yoshida, Masahiro Takada, Takahiko Matsubara, Naoshi Sugiyama, Issha Kayo, Atsushi J. Nishizawa, Takahiro Nishimichi, Shun Saito, Atsushi Taruya

Astrophysical Journal   700   479 - 490   2009.7

Modeling Nonlinear Evolution of Baryon Acoustic Oscillations: Convergence Regime of N-body Simulations and Analytic Models

Takahiro Nishimichi, Akihito Shirata, Atsushi Taruya, Kazuhiro Yahata, Shun Saito, Yasushi Suto, Ryuichi Takahashi, Naoki Yoshida, Takahiko Matsubara, Naoshi Sugiyama, Issha Kayo, Yipeng Jing, Kohji Yoshikawa

Publications of the Astronomical Society of Japan   61   321 - 332   2009.4

Optimal Location of Two Laser-Interferometric Detectors for Gravitational Wave Backgrounds at 100-MHz

Atsushi Nishizawa, Seiji Kawamura, Tomotada Akutsu, Koji Arai, Kazuhiro Yamamoto, Daisuke Tatsumi, Erina Nishida, Masa-aki Sakagami, Takeshi Chiba, Ryuichi Takahashi, Naoshi Sugiyama

Classical and Quantum Gravity   25   225011-1 - 225011-14   2008.11

Simulations of Baryon Acoustic Oscillations I : Growth of Large-Scale Density Fluctuations

Ryuichi Takahashi, Naoki Yoshida, Takahiko Matsubara, Naoshi Sugiyama, Issha Kayo, Takahiro Nishimichi, Akihito Shirata, Atsushi Taruya, Shun Saito, Kazuhiro Yahata, Yasushi Suto

Monthly Notices of the Royal Astronomical Society   389   1675 - 1682   2008.10

Search for a stochastic background of 100-MHz gravitational waves with laser interferometers.

Akutsu T, Kawamura S, Nishizawa A, Arai K, Yamamoto K, Tatsumi D, Nagano S, Nishida E, Chiba T, Takahashi R, Sugiyama N, Fukushima M, Yamazaki T, Fujimoto MK

Physical review letters   101 ( 10 )   101101   2008.9

Search for a stochastic background of 100-MHz gravitational waves with laser interferometers

Tomotada Akutsu, Seiji Kawamura, Atsushi Nishizawa, Koji Arai, Kazuhiro Yamamoto, Daisuke Tatsumi, Shigeo Nagano, Erina Nishida, Takeshi Chiba, Ryuichi Takahashi, Naoshi Sugiyama, Mitsuhiro Fukushima, Toshitaka Yamazaki, Masa-Katsu Fujimoto

Physical Review Letters   101   101101-1 - 101101-4   2008.9

Third Order Density Perturbation and One-loop Power Spectrum in a Dark Energy Dominated Universe

Ryuichi Takahashi

Progress of Theoretical Physics   120   549 - 559   2008.9

Cosmic Microwave Background Weak Lensing Correlation: Analytical And Numerical Study of Non-linearity and Implications for Dark Energy

Atsushi J. Nishizawa, Eiichiro Komatsu, Naoki Yoshida, Ryuichi Takahashi, Naoshi Sugiyama

Astrophysical Journal Letter   676   93 - 96   2008.4

Laser-interferometric Detectors for Gravitational Wave Background at 100 MHz : Detector Design and Sensitivity

Atsushi Nishizawa, Seiji Kawamura, Tomotada Akutsu, Koji Arai, Kazuhiro Yamamoto, Daisuke Tatsumi, Erina Nishida, Masa-aki Sakagami, Takeshi Chiba, Ryuichi Takahashi, Naoshi Sugiyama

Phyical Review D   77   022002-1 - 022002-9   2008.1

Weak Lensing of Galaxy Clusters in Modified Newtonian Dynamics

Ryuichi Takahashi, Takeshi Chiba

Astrophysical Journal   671   45 - 51   2007.12

A Consistency Relation in Cosmology

Takeshi Chiba, Ryuichi Takahashi

Physical Review D   75   101301-1 - 101301-5   2007.5

Lensing Effects on Gravitational Waves in a Clumpy Universe －Effects of Inhomogeneity on the Distance-Redshift Relation－

Chul-Moon Yoo, Ken-ichi Nakao, Hiroshi Kozaki, Ryuichi Takahashi

Astrophysical Journal   655   691 - 703   2007.2

Weak Lensing of Galaxy Clusters in Relativistic MOND theory

Ryuichi Takahashi, Takeshi Chiba

Proceedings of the 16th Workshop on General Relativity and Gravitation in Japan   219 - 222   2007.1

Amplitude and Phase Fluctuations for Gravitational Waves Propagating Through Inhomogeneous Mass Distribution in the Universe

Ryuichi Takahashi

AIP Conference Proceedings   873   120 - 124   2006.12

Amplitude and Phase Fluctuations for Gravitational Waves Propagating through Inhomogeneous Mass Distribution in the Universe

Ryuichi Takahashi

Astrophysical Journal   644   80 - 85   2006.6

Exact Wave Propagation in a Spacetime with a Cosmic String

Teruaki Suyama, Takahiro Tanaka, Ryuichi Takahashi

Physical Review D   73   024026-1 - 024026-15   2006.1

Classifying The Future of　Universes with Dark Energy

Takeshi Chiba, Ryuichi Takahashi, Naoshi Sugiyama

Classical and Quantum Gravity   22   3745 - 3758   2005.9

Wave Propagation in a Weak Gravitational Field and The Validity of The Thin Lens Approximation

Teruaki Suyama, Ryuichi Takahashi, Shugo Michikoshi

Physical Review D   72   043001-1 - 043001-8   2005.8

Scattering of Gravitational Waves by The Weak Gravitational Fields of Lens Objects

Ryuichi Takahashi, Teruaki Suyama, Shugo Michikoshi

Astronomy and Astrophysics Letter   438   5 - 9   2005.7

講演会「宇宙論研究の最前線」

2010.03