論文 - 高橋 龍一
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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年10月
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Statistical modelling of the cosmological dispersion measure
Ryuichi Takahashi,Kunihito Ioka, Asuka Mori, Koki Funahashi
502 ( 2 ) 2615 - 2629 2021年04月
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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年02月
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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年01月
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Covariance of the redshift-space matter power spectrum after reconstruction
Chiaki Hikage, Ryuichi Takahashi, Kazuya Koyama
Physical Review D ( 102 ) 083514 2020年09月
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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年09月
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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年09月
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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年06月
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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年04月
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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
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年03月
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Perturbation theory for the redshift-space matter power spectra after reconstruction
Chiaki Hikage, Kazuya Koyama, Ryuichi Takahashi
Physical Review D 101 ( 4 ) 043510 2020年02月
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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年01月
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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年10月
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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年06月
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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年03月
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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年01月
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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年01月
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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年02月
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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年01月
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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年11月