Zobrazeno 1 - 10
of 3 150
pro vyhledávání: '"Takeuchi Tsutomu"'
Autor:
Nakajima, Kimihiko, Ouchi, Masami, Isobe, Yuki, Xu, Yi, Ozaki, Shinobu, Nagao, Tohru, Inoue, Akio K., Rauch, Michael, Kusakabe, Haruka, Onodera, Masato, Nishigaki, Moka, Ono, Yoshiaki, Sugahara, Yuma, Hattori, Takashi, Hirai, Yutaka, Hashimoto, Takuya, Kim, Ji Hoon, Moriya, Takashi J., Yanagisawa, Hiroto, Aoyama, Shohei, Fujimoto, Seiji, Fukushima, Hajime, Fukushima, Keita, Harikane, Yuichi, Hatano, Shun, Hayashi, Kohei, Ishigaki, Tsuyoshi, Kawasaki, Masahiro, Kojima, Takashi, Komiyama, Yutaka, Koyama, Shuhei, Koyama, Yusei, Lee, Chien-Hsiu, Matsumoto, Akinori, Mawatari, Ken, Motohara, Kentaro, Murai, Kai, Nagamine, Kentaro, Nakane, Minami, Saito, Tomoki, Sasaki, Rin, Shibuya, Takatoshi, Suzuki, Akihiro, Takeuchi, Tsutomu T., Umeda, Hiroya, Umemura, Masayuki, Watanabe, Kuria, Yabe, Kiyoto, Yajima, Hidenobu, Zhang, Yechi
Using the Subaru/FOCAS IFU capability, we examine the spatially resolved relationships between gas-phase metallicity, stellar mass, and star-formation rate surface densities (Sigma_* and Sigma_SFR, respectively) in extremely metal-poor galaxies (EMPG
Externí odkaz:
http://arxiv.org/abs/2412.04541
Autor:
Ikeda, Shiro, Nakazato, Takeshi, Tsukagoshi, Takashi, Takeuchi, Tsutomu T., Yamaguchi, Masayuki
We reformulate the gain correction problem of the radio interferometry as an optimization problem with regularization, which is solved efficiently with an iterative algorithm. Combining this new method with our previously proposed imaging method, PRI
Externí odkaz:
http://arxiv.org/abs/2412.03183
Autor:
Zhu, Yongda, Bakx, Tom J. L. C., Ikeda, Ryota, Umehata, Hideki, Becker, George D., Cain, Christopher, Champagne, Jaclyn B., Fan, Xiaohui, Fudamoto, Yoshinobu, Jin, Xiangyu, Ma, Hai-Xia, Sun, Yang, Takeuchi, Tsutomu T., Tee, Wei Leong
We report the discovery of a unique quasar-dusty star-forming galaxy (DSFG) system at $z = 5.63$, consisting of the bright quasar J1133+1603 ($M_{\rm UV} = -27.42$) and its compact, dust-obscured companion, J1133c. ALMA observations reveal a prominen
Externí odkaz:
http://arxiv.org/abs/2411.06698
Autor:
Saida, Hiromi, Matsui, Sena A., Takeuchi, Tsutomu T., Nishiyama, Shogo, Saitou, Rio, Takamori, Yohsuke, Takahashi, Masaaki
We have performed a parametrized post-Newtonian (PPN) test of a black hole spacetime using observational data of the star S0-2/S2 orbiting the massive black hole at our galactic center Sgr A*. After introducing our PPN model of black hole spacetime,
Externí odkaz:
http://arxiv.org/abs/2408.11284
A direct approach to studying the galaxy-halo connection is the analysis of observed groups and clusters of galaxies that trace the underlying dark matter halos, making identifying galaxy clusters and their associated brightest cluster galaxies (BCGs
Externí odkaz:
http://arxiv.org/abs/2405.09855
Autor:
Omori, Kiyoaki Christopher, Bottrell, Connor, Walmsley, Mike, Yesuf, Hassen M., Goulding, Andy D., Ding, Xuheng, Popping, Gergö, Silverman, John D., Takeuchi, Tsutomu T., Toba, Yoshiki
We take a deep learning-based approach for galaxy merger identification in Subaru HSC-SSP, specifically through the use of deep representation learning and fine-tuning, with the aim of creating a pure and complete merger sample within the HSC-SSP sur
Externí odkaz:
http://arxiv.org/abs/2309.15539
Autor:
Zhu, Yongda, Becker, George D., Christenson, Holly M., D'Aloisio, Anson, Bosman, Sarah E. I., Bakx, Tom, D'Odorico, Valentina, Bischetti, Manuela, Cain, Christopher, Davies, Frederick B., Davies, Rebecca L., Eilers, Anna-Christina, Fan, Xiaohui, Gaikwad, Prakash, Haehnelt, Martin G., Keating, Laura C., Kulkarni, Girish, Lai, Samuel, Ma, Hai-Xia, Mesinger, Andrei, Qin, Yuxiang, Satyavolu, Sindhu, Takeuchi, Tsutomu T., Umehata, Hideki, Yang, Jinyi
The mean free path of ionizing photons, $\lambda_{\rm mfp}$, is a critical parameter for modeling the intergalactic medium (IGM) both during and after reionization. We present direct measurements of $\lambda_{\rm mfp}$ from QSO spectra over the redsh
Externí odkaz:
http://arxiv.org/abs/2308.04614
Autor:
Yasuda, Atsushi, Kuno, Nario, Sorai, Kazuo, Muraoka, Kazuyuki, Miyamoto, Yusuke, Kaneko, Hiroyuki, Yajima, Yoshiyuki, Tanaka, Takahiro, Morokuma-Matsui, Kana, Takeuchi, Tsutomu T., Kobayashi, Masato I. N.
We simultaneously measured the spatially-resolved CO-to-H$_{2}$ conversion factor ($\alpha_\mathrm{CO}$) and dust-to-gas ratio (DGR) in nearby galaxies on a kiloparsec scale. In this study, we used $^{12}$CO($J=1-0$) data obtained by the Nobeyama 45-
Externí odkaz:
http://arxiv.org/abs/2305.07827
MASTER OT J004527.52+503213.8 (hereafter MASTER J004527) is a dwarf nova discovered by the MASTER project in 2013. At 18:20 UTC on 24 October 2020, brightening of this object was reported to vsnet-alert (24843 by Denisenko). This was the second repor
Externí odkaz:
http://arxiv.org/abs/2303.14558
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