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Dive into the research topics where Masafumi Ishigaki is active.

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Featured researches published by Masafumi Ishigaki.


The Astrophysical Journal | 2016

Precise Strong Lensing Mass Modeling of Four Hubble frontier Field Clusters and a Sample of Magnified High-redshift Galaxies

Ryota Kawamata; Masamune Oguri; Masafumi Ishigaki; Kazuhiro Shimasaku; Masami Ouchi

We conduct precise strong lensing mass modeling of four


Astrophysical Journal Supplement Series | 2015

ALMA Census of Faint 1.2 mm Sources Down to ~0.02 mJy: Extragalactic Background Light and Dust-Poor High-z Galaxies

Seiji Fujimoto; Masami Ouchi; Yoshiaki Ono; Takatoshi Shibuya; Masafumi Ishigaki; Hiroshi Nagai; and Rieko Momose

{\it Hubble}


The Astrophysical Journal | 2016

Evolution of Stellar-to-Halo Mass Ratio at z=0-7 Identified by Clustering Analysis with the Hubble Legacy Imaging and Early Subaru/Hyper Suprime-Cam Survey Data

Yuichi Harikane; Masami Ouchi; Yoshiaki Ono; Surhud More; Shun Saito; Yen-Ting Lin; Jean Coupon; Kazuhiro Shimasaku; Takatoshi Shibuya; Paul A. Price; Lihwai Lin; B. C. Hsieh; Masafumi Ishigaki; Yutaka Komiyama; J. D. Silverman; Tadafumi Takata; Hiroko Tamazawa; Jun Toshikawa

Frontier Fields (HFF) clusters, Abell


The Astrophysical Journal | 2018

Full-data Results of Hubble Frontier Fields: UV Luminosity Functions at z ∼ 6–10 and a Consistent Picture of Cosmic Reionization

Masafumi Ishigaki; Ryota Kawamata; Masami Ouchi; Masamune Oguri; Kazuhiro Shimasaku; Yoshiaki Ono

~


Monthly Notices of the Royal Astronomical Society | 2017

The Frontier Fields lens modelling comparison project

Massimo Meneghetti; P. Natarajan; D. Coe; Emanuele Contini; G. De Lucia; Carlo Giocoli; Ana Acebron; Stefano Borgani; Maruša Bradač; J. M. Diego; Austin Hoag; Masafumi Ishigaki; Traci L. Johnson; Eric Jullo; Ryota Kawamata; Daniel Lam; Marceau Limousin; Jori Liesenborgs; Masamune Oguri; Kevin Sebesta; Keren Sharon; Liliya L. R. Williams; Adi Zitrin

2744, MACS


The Astrophysical Journal | 2018

Size–Luminosity Relations and UV Luminosity Functions at z = 6–9 Simultaneously Derived from the Complete Hubble Frontier Fields Data

Ryota Kawamata; Masafumi Ishigaki; Kazuhiro Shimasaku; Masamune Oguri; Masami Ouchi; Shingo Tanigawa

~


Monthly Notices of the Royal Astronomical Society | 2018

Line identification and photometric history of the hot post-AGB star Hen 3−1013 (IRAS 14331−6435)

V. P. Arkhipova; M. Parthasarathy; N. P. Ikonnikova; Masafumi Ishigaki; S. Hubrig; G. Sarkar; A.Y. Kniazev

J0416.1


The Astrophysical Journal | 2015

HUBBLE FRONTIER FIELDS FIRST COMPLETE CLUSTER DATA: FAINT GALAXIES AT z ∼ 5-10 FOR UV LUMINOSITY FUNCTIONS AND COSMIC REIONIZATION

Masafumi Ishigaki; Ryota Kawamata; Masami Ouchi; Masamune Oguri; Kazuhiro Shimasaku; Yoshiaki Ono

-


The Astrophysical Journal | 2015

THE SIZES OF z ? 6?8 LENSED GALAXIES FROM THE HUBBLE FRONTIER FIELDS ABELL 2744 DATA

Ryota Kawamata; Masafumi Ishigaki; Kazuhiro Shimasaku; Masamune Oguri; Masami Ouchi

2403, MACS


The Astrophysical Journal | 2016

rEFSDAL MEETS POPPER: COMPARING PREDICTIONS of the RE-APPEARANCE of the MULTIPLY IMAGED SUPERNOVA behind MACSJ1149.5+2223

Tommaso Treu; Gabriel B. Brammer; J. M. Diego; C. Grillo; Patrick L. Kelly; Masamune Oguri; Steven A. Rodney; Piero Rosati; Keren Sharon; Adi Zitrin; I. Balestra; Maruša Bradač; Tom Broadhurst; G. B. Caminha; Aleksi Halkola; Austin Hoag; Masafumi Ishigaki; Traci L. Johnson; W. Karman; Ryota Kawamata; A. Mercurio; Kasper B. Schmidt; Louis-Gregory Strolger; Sherry H. Suyu; A. V. Filippenko; Ryan J. Foley; Saurabh W. Jha; Brandon Patel

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Austin Hoag

University of California

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