Search Results - "IZUMIURA, HIDEYUKI"

The Seimei telescope project and technical developments by Kurita, Mikio, Kino, Masaru, Iwamuro, Fumihide, Ohta, Kouji, Nogami, Daisaku, Izumiura, Hideyuki, Yoshida, Michitoshi, Matsubayashi, Kazuya, Kuroda, Daisuke, Nakatani, Yoshikazu, Yamamoto, Kodai, Tsutsui, Hironori, Iribe, Masatsugu, Jikuya, Ichiro, Ohtani, Hiroshi, Shibata, Kazunari, Takahashi, Keisuke, Tokoro, Hitoshi, Maihara, Toshinori, Nagata, Tetsuya

“…ABSTRACT An overview of the Seimei telescope, a 3.8 m optical infrared telescope located on Mt. Chikurinji in the Okayama prefecture of Japan, is presented…”
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Optical spectroscopic observations of a symbiotic star MWC 560 in the mass accumulation phase by Ando, Kazuko, Fukuda, Naoya, Sato, Bunei, Maehara, Hiroyuki, Izumiura, Hideyuki

“…Abstract There are about a dozen symbiotic stars known to produce high-velocity jets during outbursts. MWC 560 (V694 Mon) is a symbiotic star that seems to…”
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Near-IR Spectroscopy of Luminous LoBAL Quasars at 1 < z < 2.5 by Schulze, Andreas, Schramm, Malte, Zuo, Wenwen, Wu, Xue-Bing, Urrutia, Tanya, Kotilainen, Jari, Reynolds, Thomas, Terao, Koki, Nagao, Tohru, Izumiura, Hideyuki

“…We present near-IR spectroscopy of 22 luminous low-ionization broad absorption line quasars (LoBAL QSOs) at redshift , with 12 objects at z ∼ 1.5 and 10 at z ∼…”
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Regular radial velocity variations in nine G- and K-type giant stars: Eight planets and one planet candidate by Teng, Huan-Yu, Sato, Bun’ei, Takarada, Takuya, Omiya, Masashi, Harakawa, Hiroki, Izumiura, Hideyuki, Kambe, Eiji, Takeda, Yoichi, Yoshida, Michitoshi, Itoh, Yoichi, Ando, Hiroyasu, Kokubo, Eiichiro

“…Abstract We report the detection of radial velocity (RV) variations in nine evolved G- and K-type giant stars. The observations were conducted at Okayama…”
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Long-term Near-infrared Brightening of Nonvariable OH/IR Stars by Kamizuka, Takafumi, Nakada, Yoshikazu, Yanagisawa, Kenshi, Ohsawa, Ryou, Ita, Yoshifusa, Izumiura, Hideyuki, Mito, Hiroyuki, Onozato, Hiroki, Asano, Kentaro, Ueta, Toshiya, Miyata, Takashi

“…Nonvariable OH/IR stars are thought to have just left the asymptotic giant branch (AGB) phase. In this conventional picture, they must still show strong…”
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Two Long-period Giant Planets around Two Giant Stars: HD 112570 and HD 154391 by Xiao, Guang-Yao, Teng, Huan-Yu, Zhou, Jianzhao, Sato, Bun’ei, Liu, Yu-Juan, Bi, Shaolan, Takarada, Takuya, Kuzuhara, Masayuki, Hon, Marc, Wang, Liang, Omiya, Masashi, Harakawa, Hiroki, Zhao, Fei, Zhao, Gang, Kambe, Eiji, Izumiura, Hideyuki, Ando, Hiroyasu, Noguchi, Kunio, Wang, Wei, Zhai, Meng, Song, Nan, Yang, Chengqun, Li, Tanda, Brandt, Timothy D., Yoshida, Michitoshi, Itoh, Yoichi, Kokubo, Eiichiro

“…Abstract We present the discoveries of two giant plants orbiting the red-giant-branch star HD 112570 and the red-clump star HD 154391, based on the…”
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OISTER OPTICAL AND NEAR-INFRARED OBSERVATIONS OF TYPE Iax SUPERNOVA 2012Z by Yamanaka, Masayuki, Maeda, Keiichi, Kawabata, Koji S, Tanaka, Masaomi, Tominaga, Nozomu, Akitaya, Hiroshi, Nagayama, Takahiro, Kuroda, Daisuke, Takahashi, Jun, Saito, Yoshihiko

“…We report observations of the Type Iax supernova (SN Iax) 2012Z at optical and near-infrared (NIR) wavelengths from immediately after the explosion until ~260…”
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Optical spectroscopic monitoring of the symbiotic star MWC 560 before and after the 2018 unpredicted brightening by Ando, Kazuko, Fukuda, Naoya, Akazawa, Hidehiko, Sato, Bunei, Hasegawa, Ryo, Koizumi, Yohei, Omiya, Masashi, Harakawa, Hiroki, Kambe, Eiji, Maehara, Hiroyuki, Izumiura, Hideyuki

“…Abstract MWC 560 (V694 Mon) is classified as a symbiotic binary consisting of a white dwarf and an M5III red giant. In this object, a very- high-speed…”
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Okayama Astrophysical Observatory Wide-Field Camera by Yanagisawa, Kenshi, Shimizu, Yasuhiro, Okita, Kiichi, Kuroda, Daisuke, Tsutsui, Hironori, Koyano, Hisashi, Izumiura, Hideyuki, Yoshida, Michitoshi, Ohta, Kouji, Kawai, Nobuyuki, Nakada, Yoshikazu, Yamamuro, Tomoyasu

“…Abstract We report on the development of a wide-field near-infrared (0.9–2.5$\, \mu$m) camera built as a renewal of the existing classical Cassegrain 0.91 m…”
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Dust and Chemical Abundances of the Sagittarius Dwarf Galaxy Planetary Nebula Hen2-436 by Otsuka, Masaaki, Meixner, Margaret, Riebel, David, Hyung, Siek, Tajitsu, Akito, Izumiura, Hideyuki

“…We have estimated elemental abundances of the planetary nebula (PN) Hen2-436 in the Sagittarius (Sgr) spheroidal dwarf galaxy using ESO/VLT FORS2,…”
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OISTER optical and near-infrared observations of the super-Chandrasekhar supernova candidate SN 2012dn: Dust emission from the circumstellar shell by Yamanaka, Masayuki, Maeda, Keiichi, Tanaka, Masaomi, Tominaga, Nozomu, Kawabata, Koji S., Takaki, Katsutoshi, Kawabata, Miho, Nakaoka, Tatsuya, Ueno, Issei, Akitaya, Hiroshi, Nagayama, Takahiro, Takahashi, Jun, Honda, Satoshi, Omodaka, Toshihiro, Miyanoshita, Ryo, Nagao, Takashi, Watanabe, Makoto, Isogai, Mizuki, Arai, Akira, Itoh, Ryosuke, Ui, Takahiro, Uemura, Makoto, Yoshida, Michitoshi, Hanayama, Hidekazu, Kuroda, Daisuke, Ukita, Nobuharu, Yanagisawa, Kenshi, Izumiura, Hideyuki, Saito, Yoshihiko, Masumoto, Kazunari, Ono, Rikako, Noguchi, Ryo, Matsumoto, Katsura, Nogami, Daisaku, Morokuma, Tomoki, Oasa, Yumiko, Sekiguchi, Kazuhiro

“…Abstract We present extensively dense observations of the super-Chandrasekhar supernova (SC SN) candidate SN 2012dn from −11 to +140 d after the date of its…”
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OPTICAL-TO-NEAR-INFRARED SIMULTANEOUS OBSERVATIONS FOR THE HOT URANUS GJ3470b: A HINT OF A CLOUD-FREE ATMOSPHERE by Fukui, Akihiko, Narita, Norio, Kurosaki, Kenji, Ikoma, Masahiro, Yanagisawa, Kenshi, Kuroda, Daisuke, Shimizu, Yasuhiro, Takahashi, Yasuhiro H, Ohnuki, Hiroshi, Onitsuka, Masahiro

“…(ProQuest: ... denotes formulae and/or non-USASCII text omitted) We present optical (g' R sub(c) and I sub(c)) to near-infrared (J) simultaneous photometric…”
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A DOUBLE PLANETARY SYSTEM AROUND THE EVOLVED INTERMEDIATE-MASS STAR HD 4732 by SATO, BUN'EI, Omiya, Masashi, Wittenmyer, Robert A, Harakawa, Hiroki, Nagasawa, Makiko, IZUMIURA, HIDEYUKI, Kambe, Eiji, Takeda, Yoichi, Yoshida, Michitoshi, Itoh, Yoichi, Ando, Hiroyasu, Kokubo, Eiichiro, Ida, Shigeru

“…We report the detection of a double planetary system orbiting around the evolved intermediate-mass star HD 4732 from precise Doppler measurements at Okayama…”
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High Dispersion Spectrograph (HDS) for the Subaru Telescope by Noguchi, Kunio, Aoki, Wako, Kawanomoto, Satoshi, Ando, Hiroyasu, Honda, Satoshi, Izumiura, Hideyuki, Kambe, Eiji, Okita, Kiichi, Sadakane, Kozo, Sato, Bun’ei, Tajitsu, Akito, Takada-Hidai, Masahide, Tanaka, Wataru, Watanabe, Etsuji, Yoshida, Michitoshi

“…We present the design and performance of the High Dispersion Spectrograph (HDS) of the Subaru Telescope. HDS is an echelle spectrograph located at the Nasmyth…”
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The nearby evolved stars survey – I. JCMT/SCUBA-2 submillimetre detection of the detached shell of U Antliae by Dharmawardena, Thavisha E, Kemper, Francisca, Srinivasan, Sundar, Scicluna, Peter, Marshall, Jonathan P, Wouterloot, Jan G A, Greaves, Jane, Goldman, Steven R, van Loon, Jacco Th, Matsuura, Mikako, McDonald, Iain, He, Jinhua, Zijlstra, Albert A, Toalá, Jesús A, Wallström, Sofia H J, Kim, Hyosun, Trejo, Alfonso, Ventura, Paolo, Lagadec, Eric, Boyer, Martha L, Liu, Tie, Rau, Gioia, Izumiura, Hideyuki, Cami, Jan, Holland, Wayne, Jones, Olivia, Shinnaga, Hiroko

“…ABSTRACT We present the highest resolution single-dish submillimetre observations of the detached shell source U Antliae to date. The observations were…”
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A PAIR OF GIANT PLANETS AROUND THE EVOLVED INTERMEDIATE-MASS STAR HD 47366: MULTIPLE CIRCULAR ORBITS OR A MUTUALLY RETROGRADE CONFIGURATION by Sato, Bun'ei, Wang, Liang, Liu, Yu-Juan, Zhao, Gang, Omiya, Masashi, Harakawa, Hiroki, Nagasawa, Makiko, Wittenmyer, Robert A., Butler, Paul, Song, Nan, He, Wei, Zhao, Fei, Kambe, Eiji, Noguchi, Kunio, Ando, Hiroyasu, Izumiura, Hideyuki, Okada, Norio, Yoshida, Michitoshi, Takeda, Yoichi, Itoh, Yoichi, Kokubo, Eiichiro, Ida, Shigeru

“…ABSTRACT We report the detection of a double planetary system around the evolved intermediate-mass star HD 47366 from precise radial-velocity measurements at…”
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Surface brightness correction for compact extended sources observed by the AKARI Far-Infrared Surveyor in the slow-scan mode by Ueta, Toshiya, Tomasino, Rachael L., Takita, Satoshi, Izumiura, Hideyuki, Shirahata, Mai, Fullard, Andrew, Yamamura, Issei, Matsuura, Shuji

“…Abstract We present a general surface brightness correction method for compact extended sources imaged in the slow-scan pointed observation mode of the…”
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Three-dimensional Atmospheric Dynamics of Jupiter from Ground-based Doppler Imaging Spectroscopy in the Visible by Schmider, Francois-Xavier, Gaulme, Patrick, Morales-Juberías, Raúl, Jackiewicz, Jason, Gonçalves, Ivan, Guillot, Tristan, Simon, Amy A., Wong, Michael H., Underwood, Thomas, Voelz, David, Sanchez, Cristo, DeColibus, Riley, Kovac, Sarah A., Sellers, Sean, Gilliam, Doug, Boumier, Patrick, Appourchaux, Thierry, Dejonghe, Julien, Rivet, Jean Pierre, Markham, Steve, Howard, Saburo, Abe, Lyu, Mekarnia, Djamel, Ikoma, Masahiro, Hanayama, Hidekazu, Sato, Bun’ei, Kunitomo, Masanobu, Izumiura, Hideyuki

“…We present three-dimensional (3D) maps of Jupiter’s atmospheric circulation at cloud-top level from Doppler-imaging data obtained in the visible domain with…”
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A Substellar Companion to the Intermediate-Mass Giant 11 Comae by Liu, Y.-J, Sato, Bun'ei, Zhao, G, Noguchi, Kunio, Wang, H, Kambe, Eiji, Ando, Hiroyasu, Izumiura, Hideyuki, Chen, Y.-Q, Okada, Norio, Toyota, Eri, Omiya, Masashi, Masuda, Seiji, Takeda, Yoichi, Murata, Daisuke, Itoh, Yoichi, Yoshida, Michitoshi, Kokubo, Eiichiro, Ida, Shigeru

“…We report the detection of a substellar companion orbiting the intermediate-mass giant star 11 Com (G8 III). Precise Doppler measurements of the star from…”
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Detection of Fluorine in the Halo Planetary Nebula BoBn 1: Evidence for a Binary Progenitor Star by Otsuka, Masaaki, Izumiura, Hideyuki, Tajitsu, Akito, Hyung, Siek

“…We have found the fluorine lines [F IV] lambda lambda 3996.92, 4059.90 in the extremely metal-poor ([Ar/H] = -2.10 plus or minus 0.21) halo planetary nebula…”
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