Papers - Takahashi Ryuichi
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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 2018.1
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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 2017.11
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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
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Arrival Time Differences between Gravitational Waves and Electromagnetic Signals due to Gravitational Lensing
Ryuichi Takahashi
The Astrophysical Journal 2017.1
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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
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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
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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
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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
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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
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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
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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
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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
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Bias-hardened CMB lensing with polarization
Toshiya Namikawa, Ryuichi Takahashi
Monthly Notices of the Royal Astronomical Society 2 ( 438 ) 1507 - 1517 2014.2
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Bias-hardened CMB lensing
Toshiya Namikawa, Duncan Hanson, Ryuichi Takahashi
Monthly Notices of the Royal Astronomical Society 1 ( 431 ) 609 - 620 2013.5
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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
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Revising the Halofit Model for the Nonlinear Matter Power Spectrum
Ryuichi Takahashi, et al.
The Astrophysical Journal 2 ( 761 ) 152 2012.12
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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
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Probability Distribution Functions of Cosmological Lensing: Convergence, Shear, and Magnification
Ryuichi Takahashi, et al.
The Astrophysical Journal 2 ( 742 ) 15 2011.11
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Non-Gaussian Error Contribution to Likelihood Analysis of the Matter Power Spectrum
Ryuichi Takahashi, et al.
The Astrophysical Journal 1 ( 726 ) 7 2011.1
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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