Zobrazeno 1 - 10
of 664
pro vyhledávání: '"Nakajima, Tadashi"'
Autor:
Kashiwa, Asami, Itoh, Hideki, Makiyama, Takeru, Wada, Yuko, Ozawa, Junichi, Kato, Koichi, Fukuyama, Megumi, Nakajima, Tadashi, Ohno, Seiko, Horie, Minoru
Publikováno v:
In Heart Rhythm July 2024 21(7):1113-1120
Using the data release 1 of the Hyper Suprime-Cam Subaru Strategic Program covering about 130 square degrees at high galactic latitudes, we have obtained L dwarf counts based on the selection criteria on colors, limiting magnitude and PSF morphology
Externí odkaz:
http://arxiv.org/abs/1811.07496
Autor:
Mori, Hitoshi, Sumitomo, Naokata, Tsutsui, Kenta, Fukunaga, Hideo, Hayashi, Hidemori, Nakajima, Hiroshi, Muraji, Shota, Nabeshima, Taisuke, Kawano, Daisuke, Ikeda, Yoshifumi, Asano, So, Nitta, Junichi, Watanabe, Shigeo, Hokosaki, Tatsunori, Sato, Seiichi, Chisaka, Toshiyuki, Higaki, Takashi, Nakajima, Tadashi, Tamura, Shuntaro, Kaneko, Yoshiaki, Ikeda, Kentaro, Okada, Ayako, Kobayashi, Hideki, Motoki, Hirohiko, Minamiguchi, Hitoshi, Imamura, Tomohiko, Shizuta, Satoshi, Kawamura, Mitsuharu, Munetsugu, Yumi, Suzuki, Tsugutoshi, Murakami, Takashi, Horigome, Hitoshi, Wada, Tsutomu, Takamuro, Motoki, Ozawa, Junichi, Suzuki, Hiroshi, Izumi, Daisuke, Otsuki, Sou, Chinushi, Masaomi, Kato, Ken, Miura, Masaru, Maeda, Jun, Fukunaga, Masato, Kondo, Hidekazu, Takahashi, Naohiko, Tobiume, Takeshi, Morishima, Itsuro, Kuraishi, Kenji, Nakamura, Kentaro, Hayashi, Hiroshi, Suzuki, Hirohiko, Yoshida, Yukihiko, Fukamizu, Seiji, Hojo, Rintaro, Nuruki, Norihito, Yoshinaga, Masao, Hayashi, Kentaro, Fukaya, Hidehira, Kishihara, Jun, Kobayashi, Toshiki, Kato, Ritsushi
Publikováno v:
In International Journal of Cardiology 15 January 2023 371:204-210
Akademický článek
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Akademický článek
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Autor:
Nakajima, Tadashi, Sorahana, Satoko
Initial C/O ratios of circumstellar disks have been obtained in solar-type stars by differential photospheric abundance analysis with respect to the Sun. We present C/O ratios of M dwarfs obtained by absolute abundance analysis derived from CO and H2
Externí odkaz:
http://arxiv.org/abs/1607.07528
Autor:
Tsuji, Takashi, Nakajima, Tadashi
Carbon and oxygen abundances of eight late M dwarfs are determined based on the near IR spectra of medium resolution. Seven objects with T_eff above 2600K are analyzed with the dust-free models. The M8.5 dwarf 2MASSI J1835379+325954 whose T_eff is 22
Externí odkaz:
http://arxiv.org/abs/1511.04682
Recently Tsuji & Nakajima (2914) and Tsuji, Nakajima & Takeda (2015) have developed a method of molecular line spectroscopy of M dwarfs with which Carbon and oxygen abundances are derived respectively from CO and H2O lines in the K band. They applied
Externí odkaz:
http://arxiv.org/abs/1506.03178
Autor:
Nakajima, Tadashi1,2 (AUTHOR) tadashi.nakajima58@gmail.com
Publikováno v:
International Journal of Theoretical Physics. Mar2023, Vol. 62 Issue 3, p1-16. 16p.
Based on the near infrared spectra (R~20000) of M dwarfs, oxygen abundances are determined from the ro-vibrational lines of H2O. Although H2O lines in M dwarfs are badly blended each other and the continuum levels are depressed appreciably by the col
Externí odkaz:
http://arxiv.org/abs/1412.6873