Zobrazeno 1 - 10
of 289
pro vyhledávání: '"Yoshiaki, Ono"'
Autor:
Ikki Mitsuhashi, Yuichi Harikane, Franz E. Bauer, Tom J. L. C. Bakx, Andrea Ferrara, Seiji Fujimoto, Takuya Hashimoto, Akio K. Inoue, Kazushi Iwasawa, Yuri Nishimura, Masatoshi Imanishi, Yoshiaki Ono, Toshiki Saito, Yuma Sugahara, Hideki Umehata, Livia Vallini, Tao Wang, Jorge A. Zavala
Publikováno v:
The Astrophysical Journal, Vol 971, Iss 2, p 161 (2024)
We present an analysis of the Atacama Large Millimeter-submillimeter Array (ALMA) multiband dust continuum observations for 28 spectroscopically confirmed bright Lyman break galaxies at 5 < z < 8. Our sample consists of 11 galaxies at z ∼ 6 newly o
Externí odkaz:
https://doaj.org/article/fe8483386a134679b091f625eff05347
Autor:
Hiroya Umeda, Masami Ouchi, Kimihiko Nakajima, Yuichi Harikane, Yoshiaki Ono, Yi Xu, Yuki Isobe, Yechi Zhang
Publikováno v:
The Astrophysical Journal, Vol 971, Iss 2, p 124 (2024)
We present volume-averaged neutral hydrogen fractions x _H I and ionized bubble radii R _b measured with Ly α damping wing absorption of galaxies at the epoch of reionization. We combine JWST/NIRSpec spectra taken by the CEERS, GO-1433, DDT-2750, an
Externí odkaz:
https://doaj.org/article/a759d0fa4a5549d585158e8e171cbddc
Autor:
Yechi Zhang, Masami Ouchi, Kimihiko Nakajima, Yuichi Harikane, Yuki Isobe, Yi Xu, Yoshiaki Ono, Hiroya Umeda
Publikováno v:
The Astrophysical Journal, Vol 970, Iss 1, p 19 (2024)
We present statistics of z ∼ 6–9 galaxy outflows indicated by spatially extended gas emission and broad lines. With a total of 61 spectroscopically confirmed galaxies at z ∼ 6–9 in the JWST CEERS, GLASS, and ERO data, we find four galaxies wi
Externí odkaz:
https://doaj.org/article/8b241cef8e994541a21bef274d816241
Autor:
Minami Nakane, Masami Ouchi, Kimihiko Nakajima, Yuichi Harikane, Yoshiaki Ono, Hiroya Umeda, Yuki Isobe, Yechi Zhang, Yi Xu
Publikováno v:
The Astrophysical Journal, Vol 967, Iss 1, p 28 (2024)
We present the evolution of Ly α emission derived from 53 galaxies at z = 6.6–13.2, which have been identified by multiple JWST/NIRSpec spectroscopy programs of Early Release Science, General Observer, Director's Discretionary Time, and Guaranteed
Externí odkaz:
https://doaj.org/article/644d57ab5e6649a19efb871609d95808
Autor:
Shun Hatano, Masami Ouchi, Hiroya Umeda, Kimihiko Nakajima, Toshihiro Kawaguchi, Yuki Isobe, Shohei Aoyama, Kuria Watanabe, Yuichi Harikane, Haruka Kusakabe, Akinori Matsumoto, Takashi J. Moriya, Moka Nishigaki, Yoshiaki Ono, Masato Onodera, Yuma Sugahara, Akihiro Suzuki, Yi Xu, Yechi Zhang
Publikováno v:
The Astrophysical Journal, Vol 966, Iss 2, p 170 (2024)
We present ionizing spectra estimated at 13.6–100 eV for 10 dwarf galaxies with strong high-ionization lines of He ii λ 4686 and [Ne v ] λ 3426 ([Ne iv ] λ 2424) at z = 0 ( z = 8) that are identified in our Keck/LRIS spectroscopy and the literat
Externí odkaz:
https://doaj.org/article/4802614fdb8d4f74856dc35a64b04595
Autor:
Kuria Watanabe, Masami Ouchi, Kimihiko Nakajima, Yuki Isobe, Nozomu Tominaga, Akihiro Suzuki, Miho N. Ishigaki, Ken’ichi Nomoto, Koh Takahashi, Yuichi Harikane, Shun Hatano, Haruka Kusakabe, Takashi J. Moriya, Moka Nishigaki, Yoshiaki Ono, Masato Onodera, Yuma Sugahara
Publikováno v:
The Astrophysical Journal, Vol 962, Iss 1, p 50 (2024)
We present gas-phase elemental abundance ratios of thirteen local extremely metal-poor galaxies (EMPGs), including our new Keck/LRIS spectroscopy determinations together with 33 James Webb Space Telescope z ∼ 4–10 star-forming galaxies in the lit
Externí odkaz:
https://doaj.org/article/6635069359c34b39a702013d4d0143f9
Autor:
Yi Xu, Masami Ouchi, Yuki Isobe, Kimihiko Nakajima, Shinobu Ozaki, Nicolas F. Bouché, John H. Wise, Eric Emsellem, Haruka Kusakabe, Takashi Hattori, Tohru Nagao, Gen Chiaki, Hajime Fukushima, Yuichi Harikane, Kohei Hayashi, Yutaka Hirai, Ji Hoon Kim, Michael V. Maseda, Kentaro Nagamine, Takatoshi Shibuya, Yuma Sugahara, Hidenobu Yajima, Shohei Aoyama, Seiji Fujimoto, Keita Fukushima, Shun Hatano, Akio K. Inoue, Tsuyoshi Ishigaki, Masahiro Kawasaki, Takashi Kojima, Yutaka Komiyama, Shuhei Koyama, Yusei Koyama, Chien-Hsiu Lee, Akinori Matsumoto, Ken Mawatari, Takashi J. Moriya, Kentaro Motohara, Kai Murai, Moka Nishigaki, Masato Onodera, Yoshiaki Ono, Michael Rauch, Tomoki Saito, Rin Sasaki, Akihiro Suzuki, Tsutomu T. Takeuchi, Hiroya Umeda, Masayuki Umemura, Kuria Watanabe, Kiyoto Yabe, Yechi Zhang
Publikováno v:
The Astrophysical Journal, Vol 961, Iss 1, p 49 (2024)
We present the demography of the dynamics and gas mass fraction of 33 extremely metal-poor galaxies (EMPGs) with metallicities of 0.015–0.195 Z _⊙ and low stellar masses of 10 ^4 –10 ^8 M _⊙ in the local universe. We conduct deep optical inte
Externí odkaz:
https://doaj.org/article/676be6f7cd2249aeae362e439f3fe5f9
Autor:
Yoko Matsuzawa, Kosuke Azuma, Tasuku Sawa, Yoshiaki Ono, Yoshiro Hamada, Ikuro Matsuba, Akira Kanamori
Publikováno v:
Journal of Diabetes Investigation, Vol 13, Iss 12, Pp 2073-2080 (2022)
Abstract Aims/Introduction To investigate the recognition status of stigma/advocacy in patients with type 2 diabetes in clinical practice settings. Method A questionnaire survey on stigma/advocacy of patients with diabetes was carried out for members
Externí odkaz:
https://doaj.org/article/f44117834bb84c798e58217cb7beea20
Autor:
Yoshiki Matsuoka, Masafusa Onoue, Kazushi Iwasawa, Michael A. Strauss, Nobunari Kashikawa, Takuma Izumi, Tohru Nagao, Masatoshi Imanishi, Masayuki Akiyama, John D. Silverman, Naoko Asami, James Bosch, Hisanori Furusawa, Tomotsugu Goto, James E. Gunn, Yuichi Harikane, Hiroyuki Ikeda, Kohei Inayoshi, Rikako Ishimoto, Toshihiro Kawaguchi, Satoshi Kikuta, Kotaro Kohno, Yutaka Komiyama, Chien-Hsiu Lee, Robert H. Lupton, Takeo Minezaki, Satoshi Miyazaki, Hitoshi Murayama, Atsushi J. Nishizawa, Masamune Oguri, Yoshiaki Ono, Taira Oogi, Masami Ouchi, Paul A. Price, Hiroaki Sameshima, Naoshi Sugiyama, Philip J. Tait, Masahiro Takada, Ayumi Takahashi, Tadafumi Takata, Masayuki Tanaka, Yoshiki Toba, Shiang-Yu Wang, Takuji Yamashita
Publikováno v:
The Astrophysical Journal Letters, Vol 949, Iss 2, p L42 (2023)
We present the quasar luminosity function (LF) at z = 7, measured with 35 spectroscopically confirmed quasars at 6.55 < z < 7.15. The sample of 22 quasars from the Subaru High- z Exploration of Low-Luminosity Quasars (SHELLQs) project, combined with
Externí odkaz:
https://doaj.org/article/58ac7e9877d440c7934997f0f2835f1d
Autor:
Yuichi Harikane, Kimihiko Nakajima, Masami Ouchi, Hiroya Umeda, Yuki Isobe, Yoshiaki Ono, Yi Xu, Yechi Zhang
Publikováno v:
The Astrophysical Journal, Vol 960, Iss 1, p 56 (2023)
We present pure spectroscopic constraints on the UV luminosity functions and cosmic star formation rate (SFR) densities from 25 galaxies at z _spec = 8.61–13.20. By reducing the JWST/NIRSpec spectra taken in multiple programs of Early Release Obser
Externí odkaz:
https://doaj.org/article/81e9fc4ca15340f4bb5d89b98b253565