Zobrazeno 1 - 10
of 828
pro vyhledávání: '"Sameshima H"'
Autor:
Elgueta, S. S., Matsunaga, N., Jian, M., Taniguchi, D., Kobayashi, N., Fukue, K., Hamano, S., Sameshima, H., Kondo, S., Arai, A., Ikeda, Y., Kawakita, H., Otsubo, S., Sarugaku, Y., Yasui, C., Tsujimoto, T.
Newly-developed spectrographs with increased resolving powers, particularly those covering the near-IR range, allow the characterization of more and more absorption lines in stellar spectra. This includes the identification and confirmation of absorp
Externí odkaz:
http://arxiv.org/abs/2307.00158
Autor:
Fukue, K., Matsunaga, N., Kondo, S., Taniguchi, D., Ikeda, Y., Kobayashi, N., Sameshima, H., Hamano, S., Arai, A., Kawakita, H., Yasui, C., Mizumoto, M., Otsubo, S., Takenaka, K., Yoshikawa, T., Tsujimoto, T.
Red giants show a large number of absorption lines in both optical and near-infrared wavelengths. Still, the characteristics of the lines in different wave passbands are not necessarily the same. We searched for lines of Mg I, Si I, Ca I, Ti I, Cr I,
Externí odkaz:
http://arxiv.org/abs/2103.12478
Akademický článek
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Autor:
Sameshima, H., Ikeda, Y., Matsunaga, N., Fukue, K., Kobayashi, N., Kondo, S., Hamano, S., Kawakita, H., Yasui, C., Izumi, N., Mizumoto, M., Otsubo, S., Takenaka, K., Watase, A., Asano, A., Yoshikawa, T.
We present a catalog of absorption lines in the z', Y, and J bands that we identified in 21 Lyn, a slowly rotating A0.5 V star. We detected 155 absorption features in the high-resolution (0.90-1.35 um, R = 28,000) spectrum obtained with the WINERED s
Externí odkaz:
http://arxiv.org/abs/1810.07206
Autor:
Matsuoka, Y., Iwasawa, K., Onoue, M., Kashikawa, N., Strauss, M. A., Lee, C. -H., Imanishi, M., Nagao, T., Akiyama, M., Asami, N., Bosch, J., Furusawa, H., Goto, T., Gunn, J. E., Harikane, Y., Ikeda, H., Izumi, T., Kawaguchi, T., Kato, N., Kikuta, S., Kohno, K., Komiyama, Y., Lupton, R. H., Minezaki, T., Miyazaki, S., Morokuma, T., Murayama, H., Niida, M., Nishizawa, A. J., Oguri, M., Ono, Y., Ouchi, M., Price, P. A., Sameshima, H., Schulze, A., Shirakata, H., Silverman, J. D., Sugiyama, N., Tait, P. J., Takada, M., Takata, T., Tanaka, M., Tang, J. -J., Toba, Y., Utsumi, Y., Wang, S. -Y., Yamashita, T.
Publikováno v:
ApJS 237 (2018) 5
We report discovery of 41 new high-z quasars and luminous galaxies, which were spectroscopically identified at 5.7 < z < 6.9. This is the fourth in a series of papers from the Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) project, bas
Externí odkaz:
http://arxiv.org/abs/1803.01861
Autor:
D'Orazi, V., Magurno, D., Bono, G., Matsunaga, N., Braga, V. F., Elgueta, S. S., Fukue, K., Hamano, S., Inno, L., Kobayashi, N., Kondo, S., Monelli, M., Nonino, M., Przybilla, P. N., Sameshima, H., Saviane, I., Taniguchi, D., Thevenin, F., Urbaneja-Perez, M., Watase, A., Arai, A., Bergemann, M., Buonanno, R., Dall'Ora, M., Silva, R., Fabrizio, M., Ferraro, I., Fiorentino, G., Francois, P., Gilmozzi, R., Iannicola, G., Ikeda, Y., Jian, M., Kawakita, H., Kudritzki, R. -P., Lemasle, B., Marengo, M., Marinoni, S., Martinez-Vasquez, C., Minniti, D., Neeley, J., Otsubo, S., Prieto, J. L., Proxauf, B., Romaniello, M., Sanna, N., Sneden, C., Takenaka, K., Tsujimoto, T., Valenti, E., Yasui, C., Yoshikawa, T., Zoccali, M.
We present the first spectroscopic abundance determination of iron, alpha-elements (Si, Ca and Ti) and sodium for the Mira variable V1 in the metal-rich globular cluster NGC 5927. We use high-resolution (R~ 28,000), high signal-to-noise ratio (~200)
Externí odkaz:
http://arxiv.org/abs/1802.07314
Autor:
Kawara, K., Matsuoka, Y., Sano, K., Brandt, T., Sameshima, H., Tsumura, K., Oyabu, S., Ienaka, N.
We present an analysis of the blank sky spectra observed with the Faint Object Spectrograph on board the Hubble Space Telescope. We study the diffuse sky emission from ultraviolet to optical wavelengths, which is composed of the zodiacal light (ZL),
Externí odkaz:
http://arxiv.org/abs/1701.00885
Autor:
Elgueta, S S, Matsunaga, N, Jian, M, Taniguchi, D, Kobayashi, N, Fukue, K, Hamano, S, Sameshima, H, Kondo, S, Arai, A, Ikeda, Y, Kawakita, H, Otsubo, S, Yasui, C, Tsujimoto, T
Publikováno v:
Monthly Notices of the Royal Astronomical Society; Aug2024, Vol. 532 Issue 4, p3694-3712, 19p
Autor:
Ohno, M., Kawano, T., Tashiro, M. S., Ueno, H., Yonetoku, D., Sameshima, H., Takahashi, T., Seta, H., Mushotzky, R., Yamaoka, K., team, ASTRO-H SWG, collaborations, Fermi LAT/GBM
ASTRO-H, the sixth Japanese X-ray observatory, which is scheduled to be launched by the end of Japanese fiscal year 2015 has a capability to observe the prompt emission from Gamma-ray Bursts (GRBs) utilizing BGO active shields for the soft gamma-ray
Externí odkaz:
http://arxiv.org/abs/1503.01182
Autor:
Tashiro, M. S., Yonetoku, D., Ohno, M., Sameshima, H., Seta, H., Ueno, H., Nakagawa, T., Tamura, T., Paerels, F., Kawai, N.
In this paper, we demonstrate ASTRO-H's capability to measure the chemical evolution in the high-z (z <~ 3) universe by observing X-ray afterglows of gamma-ray bursts (GRBs) and distant Blazars. Utilizing these sources as background light sources, th
Externí odkaz:
http://arxiv.org/abs/1412.1179