Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Hatano, Shun"'
Autor:
Hatano, Shun, Ouchi, Masami, Umeda, Hiroya, Nakajima, Kimihiko, Kawaguchi, Toshihiro, Isobe, Yuki, Aoyama, Shohei, Watanabe, Kuria, Harikane, Yuichi, Kusakabe, Haruka, Matsumoto, Akinori, Moriya, Takashi J., Nishigaki, Moka, Ono, Yoshiaki, Onodera, Masato, Sugahara, Yuma, Suzuki, Akihiro, Xu, Yi, Zhang, Yechi
We present ionizing spectra estimated at 13.6--100 eV for ten dwarf galaxies with strong high ionization lines of He {\sc {ii}}$\lambda$4686 and [Ne {\sc{v}}]$\lambda$3426 ([Ne {\sc{iv}}]$\lambda$2424) at $z=0$ ($z=8$) that are identified in our Keck
Externí odkaz:
http://arxiv.org/abs/2305.02189
Autor:
Watanabe, Kuria, Ouchi, Masami, Nakajima, Kimihiko, Isobe, Yuki, Tominaga, Nozomu, Suzuki, Akihiro, Ishigaki, Miho N., Nomoto, Ken'ichi, Takahashi, Koh, Harikane, Yuichi, Hatano, Shun, Kusakabe, Haruka, Moriya, Takashi J., Nishigaki, Moka, Ono, Yoshiaki, Onodera, Masato, Sugahara, Yuma
We present gas-phase elemental abundance ratios of 7 local extremely metal-poor galaxies (EMPGs) including our new Keck/LRIS spectroscopy determinations together with 33 JWST $z\sim 4-10$ star-forming galaxies in the literature, and compare chemical
Externí odkaz:
http://arxiv.org/abs/2305.02078
Autor:
Hatano, Shun, Ouchi, Masami, Nakajima, Kimihiko, Kawaguchi, Toshihiro, Kokubo, Mitsuru, Kikuta, Satoshi, Tominaga, Nozomu, Xu, Yi, Watanabe, Kuria, Harikane, Yuichi, Isobe, Yuki, Matsumoto, Akinori, Nishigaki, Moka, Ono, Yoshiaki, Onodera, Masato, Sugahara, Yuma, Umeda, Hiroya, Zhang, Yechi
Since the late 20th century, young star-forming dwarf galaxies with extremely low heavy-element abundances have been identified in the local universe\cite{1972ApJ...173...25S, 1990Natur.343..238I, 2022ApJS..262....3N}. Such a population of galaxies,
Externí odkaz:
http://arxiv.org/abs/2304.03726
Autor:
Xu, Yi, Ouchi, Masami, Isobe, Yuki, Nakajima, Kimihiko, Ozaki, Shinobu, Bouché, Nicolas F., Wise, John H., Emsellem, Eric, Kusakabe, Haruka, Hattori, Takashi, Nagao, Tohru, Chiaki, Gen, Fukushima, Hajime, Harikane, Yuichi, Hayashi, Kohei, Hirai, Yutaka, Kim, Ji Hoon, Maseda, Michael V., Nagamine, Kentaro, Shibuya, Takatoshi, Sugahara, Yuma, Yajima, Hidenobu, Aoyama, Shohei, Fujimoto, Seiji, Fukushima, Keita, Hatano, Shun, Inoue, Akio K., Ishigaki, Tsuyoshi, Kawasaki, Masahiro, Kojima, Takashi, Komiyama, Yutaka, Koyama, Shuhei, Koyama, Yusei, Lee, Chien-Hsiu, Matsumoto, Akinori, Mawatari, Ken, Moriya, Takashi J., Motohara, Kentaro, Murai, Kai, Nishigaki, Moka, Onodera, Masato, Ono, Yoshiaki, Rauch, Michael, Saito, Tomoki, Sasaki, Rin, Suzuki, Akihiro, Takeuchi, Tsutomu T., Umeda, Hiroya, Umemura, Masayuki, Watanabe, Kuria, Yabe, Kiyoto, Zhang, Yechi
Publikováno v:
The Astrophysical Journal, Volume 961, Number 1, January 2024, Page 49-53
We present demography of the dynamics and gas-mass fraction of 33 extremely metal-poor galaxies (EMPGs) with metallicities of $0.015-0.195~Z_\odot$ and low stellar masses of $10^4-10^8~M_\odot$ in the local universe. We conduct deep optical integral-
Externí odkaz:
http://arxiv.org/abs/2303.12467
Autor:
Harikane, Yuichi, Zhang, Yechi, Nakajima, Kimihiko, Ouchi, Masami, Isobe, Yuki, Ono, Yoshiaki, Hatano, Shun, Xu, Yi, Umeda, Hiroya
We present a first statistical sample of faint type-1 AGNs at $z>4$ identified by JWST/NIRSpec deep spectroscopy. Among the 185 galaxies at $z_\mathrm{spec}=3.8-8.9$ confirmed with NIRSpec, our systematic search for broad-line emission reveals 10 typ
Externí odkaz:
http://arxiv.org/abs/2303.11946
Autor:
Isobe, Yuki, Ouchi, Masami, Nakajima, Kimihiko, Ozaki, Shinobu, Bouche, Nicolas F., Wise, John H., Xu, Yi, Emsellem, Eric, Kusakabe, Haruka, Hattori, Takashi, Nagao, Tohru, Chiaki, Gen, Fukushima, Hajime, Harikane, Yuichi, Hayashi, Kohei, Hirai, Yutaka, Kim, Ji Hoon, Maseda, Michael V., Nagamine, Kentaro, Shibuya, Takatoshi, Sugahara, Yuma, Yajima, Hidenobu, Aoyama, Shohei, Fujimoto, Seiji, Fukushima, Keita, Hatano, Shun, Inoue, Akio K., Ishigaki, Tsuyoshi, Kawasaki, Masahiro, Kojima, Takashi, Komiyama, Yutaka, Koyama, Shuhei, Koyama, Yusei, Lee, Chien-Hsiu, Matsumoto, Akinori, Mawatari, Ken, Moriya, Takashi J., Motohara, Kentaro, Murai, Kai, Nishigaki, Moka, Onodera, Masato, Ono, Yoshiaki, Rauch, Michael, Saito, Tomoki, Sasaki, Rin, Suzuki, Akihiro, Takeuchi, Tsutomu T., Umeda, Hiroya, Umemura, Masayuki, Watanabe, Kuria, Yabe, Kiyoto, Zhang, Yechi
We present kinematics of 6 local extremely metal-poor galaxies (EMPGs) with low metallicities ($0.016-0.098\ Z_{\odot}$) and low stellar masses ($10^{4.7}-10^{7.6} M_{\odot}$). Taking deep medium-high resolution ($R\sim7500$) integral-field spectra w
Externí odkaz:
http://arxiv.org/abs/2206.04709
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Autor:
Hatano, Shun, Ouchi, Masami, Umeda, Hiroya, Nakajima, Kimihiko, Kawaguchi, Toshihiro, Isobe, Yuki, Aoyama, Shohei, Watanabe, Kuria, Harikane, Yuichi, Kusakabe, Haruka, Matsumoto, Akinori, Moriya, Takashi J., Nishigaki, Moka, Ono, Yoshiaki, Onodera, Masato, Sugahara, Yuma, Suzuki, Akihiro, Xu, Yi, Zhang, Yechi
Publikováno v:
Astrophysical Journal; 5/10/2024, Vol. 966 Issue 2, p1-14, 14p
Autor:
Hatano, Shun1,2 (AUTHOR), Ouchi, Masami1,3,4,5 (AUTHOR), Umeda, Hiroya3,6 (AUTHOR), Nakajima, Kimihiko1 (AUTHOR), Kawaguchi, Toshihiro7 (AUTHOR), Isobe, Yuki3,6 (AUTHOR), Aoyama, Shohei3,8 (AUTHOR), Watanabe, Kuria1,2 (AUTHOR), Harikane, Yuichi3 (AUTHOR), Kusakabe, Haruka1,9 (AUTHOR), Matsumoto, Akinori3,6 (AUTHOR), Moriya, Takashi J.1,10 (AUTHOR), Nishigaki, Moka1,2 (AUTHOR), Ono, Yoshiaki3 (AUTHOR), Onodera, Masato11 (AUTHOR), Sugahara, Yuma1,12 (AUTHOR), Suzuki, Akihiro13 (AUTHOR), Xu, Yi3,14 (AUTHOR), Zhang, Yechi3,5,14 (AUTHOR)
Publikováno v:
Astrophysical Journal. 5/10/2024, Vol. 966 Issue 2, p1-14. 14p.