Zobrazeno 1 - 10
of 789
pro vyhledávání: '"Ohta, Kouji"'
Autor:
Inoue, Shin, Ohta, Kouji, Asada, Yoshihisa, Sawicki, Marcin, Desprez, Guillaume, Gwyn, Stephen, Picouet, Vincent
We study the major merger fraction along the massive galaxy quenching channel (traced with rest-frame $\mathrm{NUV}-r$ color) at $z=$ 0.2-0.7, aiming to examine the Cosmic Web Detachment (CWD) scenario of galaxy quenching. In this scenario, the major
Externí odkaz:
http://arxiv.org/abs/2407.00594
SDSS J1430+2303 has been argued to possess a supermassive black hole binary which is predicted to merge within a few months or three years from January 2022. We conducted follow-up optical spectroscopic observations of SDSS J1430+2303 with KOOLS-IFU
Externí odkaz:
http://arxiv.org/abs/2401.17318
The dependence of star formation efficiency (SFE) on galactic structures, especially whether the SFE in the bar region is lower than those in the other regions, has recently been debated. We report the SFEs of 18 nearby gas-rich massive star-forming
Externí odkaz:
http://arxiv.org/abs/2211.15681
Autor:
Toba, Yoshiki, Yamada, Satoshi, Matsubayashi, Kazuya, Terao, Koki, Moriya, Aoi, Ueda, Yoshihiro, Ohta, Kouji, Hashiguchi, Aoi, Himoto, Kazuharu G., Izumiura, Hideyuki, Joh, Kazuma, Kato, Nanako, Koyama, Shuhei, Maehara, Hiroyuki, Misato, Rana, Noboriguchi, Akatoki, Ogawa, Shoji, Ota, Naomi, Shibata, Mio, Tamada, Nozomu, Yanagawa, Anri, Yonekura, Naoki, Nagao, Tohru, Akiyama, Masayuki, Kajisawa, Masaru, Matsuoka, Yoshiki
We present ionized gas properties of 9 local ultra/luminous infrared galaxies (U/LIRGs) at $z <$ 0.04 through IFU observations with KOOLS-IFU on Seimei Telescope. The observed targets are drawn from the Great Observatories All-sky LIRG Survey (GOALS)
Externí odkaz:
http://arxiv.org/abs/2208.11824
Autor:
Asada, Yoshihisa, Ohta, Kouji
We present a star formation rate function (SFRF) at $z\sim6$ based on star formation rates (SFRs) derived by spectral energy distribution (SED) fitting on data from rest-frame UV to optical wavelength of galaxies in the CANDELS GOODS-South and North
Externí odkaz:
http://arxiv.org/abs/2208.00749
Autor:
Kaneyasu, Yoshino, Shigeishi, Hideo, Niitani, Yoshie, Takemoto, Toshinobu, Sugiyama, Masaru, Ohta, Kouji
Publikováno v:
In Journal of Dentistry September 2024 148
CO(2-1) emission is often used as a tracer of the giant molecular clouds (GMCs) as an alternative to CO(1-0) emission in recent years. Therefore, understanding the environmental dependence of the line ratio of CO(2-1)/CO(1-0), $R_{21}$, on GMC scale
Externí odkaz:
http://arxiv.org/abs/2112.11470
Autor:
Sasada, Mahito, Utsumi, Yousuke, Itoh, Ryosuke, Tominaga, Nozomu, Tanaka, Masaomi, Morokuma, Tomoki, Yanagisawa, Kenshi, Kawabata, Koji S., Ohgami, Takayuki, Yoshida, Michitoshi, Abe, Fumio, Adachi, Ryo, Akitaya, Hiroshi, Chong, Yang, Daikuhara, Kazuki, Hamasaki, Ryo, Honda, Satoshi, Hosokawa, Ryohei, Iida, Kota, Imazato, Fumiya, Ishioka, Chihiro, Iwasaki, Takumi, Jian, Mingjie, Kamei, Yuhei, Kanai, Takahiro, Kaneda, Hidehiro, Kaneko, Ayane, Katoh, Noriyuki, Kawai, Nobuyuki, Kubota, Keiichiro, Kubota, Yuma, Mamiya, Hideo, Matsubayashi, Kazuya, Morihana, Kumiko, Murata, Katsuhiro L., Nagayama, Takahiro, Nakamura, Noriatsu, Nakaoka, Tatsuya, Niino, Yuu, Nishinaka, Yuki, Niwano, Masafumi, Nogami, Daisaku, Oasa, Yumiko, Oeda, Miki, Ogawa, Futa, Ohsawa, Ryou, Ohta, Kouji, Oide, Kohei, Onozato, Hiroki, Sako, Shigeyuki, Saito, Tomoki, Sekiguchi, Yuichiro, Shigeyama, Toshikazu, Shigeyoshi, Takumi, Shikauchi, Minori, Shiraishi, Kazuki, Suzuki, Daisuke, Takagi, Kengo, Takahashi, Jun, Takarada, Takuya, Takayama, Masaki, Takeuchi, Himeka, Tamura, Yasuki, Tanaka, Ryoya, Toma, Sayaka, Tozuka, Miyako, Uchida, Nagomi, Uzawa, Yoshinori, Yamanaka, Masayuki, Yasuda, Moeno, Yatsu, Yoichi
The Laser Interferometer Gravitational-wave Observatory Scientific Collaboration and Virgo Collaboration (LVC) sent out 56 gravitational-wave (GW) notices during the third observing run (O3). Japanese collaboration for Gravitational wave ElectroMagne
Externí odkaz:
http://arxiv.org/abs/2106.04842
We present results of sub-arcsec ALMA observations of CO(2-1) and CO(5-4) toward a massive main sequence galaxy at z = 1.45 in the SXDS/UDS field, aiming at examining the internal distribution and properties of molecular gas in the galaxy. Our target
Externí odkaz:
http://arxiv.org/abs/2101.08396
Cloud-cloud collision (CCC) has been suggested as a mechanism to induce massive star formation. Recent simulations suggest that a CCC speed is different among galactic-scale environments, which is responsible for observed differences in star formatio
Externí odkaz:
http://arxiv.org/abs/2101.07798