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Results 1 - 44 of 44

Four-hundred Very Metal-Poor Stars Studied with LAMOST and Subaru. II. Elemental abundances. (arXiv:2203.11529v1 [astro-ph.SR])
- Virtual Journal - Volume 20, Issue 12 - article #4
- Haining Li, Wako Aoki, Tadafumi Matsuno, Qianfan Xing, Takuma Suda, Nozomu Tominaga, Yuqin Chen, Satoshi Honda, Miho N. Ishigaki, Jianrong Shi, Jingkun Zhao, Gang Zhao
- http://arxiv.org/abs/2203.11529
Silicon and Strontium abundances of very metal-poor stars determined from near-infrared spectra. (arXiv:2112.07433v1 [astro-ph.SR])
- Virtual Journal - Volume 19, Issue 51 - article #9
- Wako Aoki, Timothy C. Beers, Satoshi Honda, Hiroyuki T. Ishikawa, Tadafumi Matsuno, Vinicius M. Placco, Jinmi Yoon, Hiroki Harakawa, Teruyuki Hirano, Klaus Hodapp, Masato Ishizuka, Shane Jacobson, Takayuki Kotani, Tomoyuki Kudo, Takashi Kurokawa, Masayuki Kuzuhara, Jun Nishikawa, Masashi Omiya, Takuma Serizawa, Motohide Tamura, Akitoshi Ueda, Sebastien Vievard
- http://arxiv.org/abs/2112.07433
Evidence for the accretion origin of halo stars with an extreme r-process enhancement. (arXiv:1905.04141v1 [astro-ph.SR])
- Virtual Journal - Volume 17, Issue 20 - article #2
- Qian-Fan Xing, Gang Zhao, Wako Aoki, Satoshi Honda, Hai-Ning Li, Miho N. Ishigaki, Tadafumi Matsuno
- http://arxiv.org/abs/1905.04141
J-GEM observations of an electromagnetic counterpart to the neutron star merger GW170817. (arXiv:1710.05848v1 [astro-ph.HE])
- Virtual Journal - Volume 15, Issue 42 - article #32
- Yousuke Utsumi, Masaomi Tanaka, Nozomu Tominaga, Michitoshi Yoshida, Sudhanshu Barway, Takahiro Nagayama, Tetsuya Zenko, Kentaro Aoki, Takuya Fujiyoshi, Hisanori Furusawa, Koji S. Kawabata, Shintaro Koshida, Chien-Hsiu Lee, Tomoki Morokuma, Kentaro Motohara, Fumiaki Nakata, Ryou Ohsawa, Kouji Ohta, Hirofumi Okita, Akito Tajitsu, Ichi Tanaka, Tsuyoshi Terai, Naoki Yasuda, Fumio Abe, Yuichiro Asakura, Ian A. Bond, Shota Miyazaki, Takahiro Sumi, Paul J. Tristram, Satoshi Honda, Ryosuke Itoh, Yoichi Itoh, Miho Kawabata, Kumiko Morihana, Hiroki Nagashima, Tatsuya Nakaoka, Tomohito Ohshima, Jun Takahashi, Masaki Takayama, Wako Aoki, Stefan Baar, Mamoru Doi, François Finet, Nobuyuki Kanda, Nobuyuki Kawai, Ji Hoon Kim, Daisuke Kuroda, Wei Liu, Kazuya Matsubayashi, Katsuhiro L. Murata, Hiroshi Nagai, et al. (9 additional authors not shown)
- http://arxiv.org/abs/1710.05848
Kilonova from post-merger ejecta as an optical and near-infrared counterpart of GW170817. (arXiv:1710.05850v1 [astro-ph.HE])
- Virtual Journal - Volume 15, Issue 42 - article #33
- Masaomi Tanaka, Yousuke Utsumi, Paolo A. Mazzali, Nozomu Tominaga, Michitoshi Yoshida, Yuichiro Sekiguchi, Tomoki Morokuma, Kentaro Motohara, Kouji Ohta, Koji S. Kawabata, Fumio Abe, Kentaro Aoki, Yuichiro Asakura, Stefan Baar, Sudhanshu Barway, Ian A. Bond, Mamoru Doi, Takuya Fujiyoshi, Hisanori Furusawa, Satoshi Honda, Yoichi Itoh, Miho Kawabata, Nobuyuki Kawai, Ji Hoon Kim, Chien-Hsiu Lee, Shota Miyazaki, Kumiko Morihana, Hiroki Nagashima, Takahiro Nagayama, Tatsuya Nakaoka, Fumiaki Nakata, Ryou Ohsawa, Tomohito Ohshima, Hirofumi Okita, Tomoki Saito, Takahiro Sumi, Akito Tajitsu, Jun Takahashi, Masaki Takayama, Yoichi Tamura, Ichi Tanaka, Tsuyoshi Terai, Paul J. Tristram, Naoki Yasuda, Tetsuya Zenko
- http://arxiv.org/abs/1710.05850
High-resolution Spectroscopy of Extremely Metal-poor Stars from SDSS/SEGUE. III. Unevolved Stars with [Fe/H] â‰² âˆ’3.5
- Virtual Journal - Volume 15, Issue 28 - article #15
- Tadafumi Matsuno, Wako Aoki, Timothy C. Beers, Young Sun Lee,, Satoshi Honda
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/154/2/52
High-resolution spectroscopy of the extremely iron-poor post-AGB star CC Lyr. (arXiv:1612.03669v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 51 - article #9
- Wako Aoki, Tadafumi Matsuno, Satoshi Honda, Mudumba Parthasarathy, Haining Li, Takuma Suda
- http://arxiv.org/abs/1612.03669
Photospheric carbon and oxygen abundances of F-G type stars in the Pleiades cluster. (arXiv:1610.05439v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 43 - article #18
- Yoichi Takeda, Osame Hashimoto, Satoshi Honda
- http://arxiv.org/abs/1610.05439
Discovery of a strongly r-process enhanced extremely metal-poor star LAMOST J110901.22+075441.8
- Virtual Journal - Volume 13, Issue 23 - article #18
- Haining Li, Wako Aoki, Satoshi Honda, Gang Zhao, Norbert Christlieb, Takuma Suda
- arXiv.org - Astrophysics - Volume: 2015, Issue: 19 Jun
- arXiv:1506.05200 [pdf, ps, other]
High-resolution spectroscopic studies of ultra metal-poor stars found in LAMOST survey
- Virtual Journal - Volume 13, Issue 23 - article #21
- Haining Li, Wako Aoki, Gang Zhao, Satoshi Honda, Norbert Christlieb, Takuma Suda
- arXiv.org - Astrophysics - Volume: 2015, Issue: 19 Jun
- arXiv:1506.05684 [pdf, ps, other]
High-Resolution Spectroscopy of Extremely Metal-Poor Stars from SDSS/SEGUE. II. Binary Fraction
- Virtual Journal - Volume 13, Issue 5 - article #25
- Wako Aoki, Takuma Suda, Timothy C. Beers, and Satoshi Honda
- Astronomical Journal - Volume: 149, Issue: 2
- View article PDF (303 KB)
Chemical Analysis of the Ninth Magnitude Carbon-enhanced Metal-poor Star BD+44Â°493
- Virtual Journal - Volume 11, Issue 36 - article #29
- Hiroko Ito, Wako Aoki, Timothy C. Beers, Nozomu Tominaga, Satoshi Honda, and Daniela Carollo
- The Astrophysical Journal - Volume: 773, Issue: 1
- Abstract References Full text PDF (1.44 MB) Enhanced article HTML
Lithium, Carbon, and Oxygen Abundances of Hyades F-G Type Stars
- Virtual Journal - Volume 11, Issue 1 - article #4
- Yoichi Takeda, Satoshi Honda, Takashi Ohnishi, Michiko Ohkubo, Ryuko Hirata, Kozo Sadakane
- arXiv.org - Astrophysics - Volume: 2013, Issue: 4 Jan
- arXiv:1212.6318 [pdf, ps, other]
Lithium, Carbon, and Oxygen Abundances of Hyades F-G Type Stars
- Virtual Journal - Volume 10, Issue 52 - article #11
- Yoichi Takeda, Satoshi Honda, Takashi Ohnishi, Michiko Ohkubo, Ryuko Hirata, Kozo Sadakane
- arXiv.org - Astrophysics - Volume: 2012, Issue: 27 Dec
- arXiv:1212.6318 [pdf, ps, other]
High-Resolution Spectroscopy of Extremely Metal-Poor Stars from SDSS/SEGUE: I. Atmospheric Parameters and Chemical Compositions
- Virtual Journal - Volume 10, Issue 41 - article #3
- Wako Aoki, Timothy C. Beers, Young Sun Lee, Satoshi Honda, Hiroko Ito, Masahide Takada-Hidai, Anna Frebel, Takuma Suda, Masatuki Y. Fujimoto, Daniela Carollo, Thirupathi Sivarani
- arXiv.org - Astrophysics - Volume: 2012, Issue: 12 Oct
- arXiv:1210.1946 [pdf, ps, other]
Spectroscopic Studies of Extremely Metal-poor Stars with the Subaru High Dispersion Spectrograph. V. The Zn-enhanced Metal-poor Star BS 16920-017
- Virtual Journal - Volume 9, Issue 23 - article #45
- Satoshi Honda, Wako Aoki, Timothy C. Beers and Masahide Takada-Hidai
- The Astrophysical Journal - Volume: 730, Issue: 2
- Abstract References Full text PDF (694 KB) View as HTML
Beryllium Abundances of Solar-Analog Stars
- Virtual Journal - Volume 9, Issue 13 - article #4
- Yoichi Takeda, Akito Tajitsu, Satoshi Honda, Satoshi Kawanomoto, Hiroyasu Ando, Takashi Sakurai
- arXiv.org - Astrophysics - Volume: 2011, Issue: 1 Apr
- arXiv:1103.5275 [pdf, ps, other]
Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. V. The Zn-Enhanced Metal-Poor Star BS 16920-017
- Virtual Journal - Volume 9, Issue 4 - article #8
- Satoshi Honda, Wako Aoki, Timothy C. Beers, Masahide Takada-Hidai
- arXiv.org - Astrophysics - Volume: 2011, Issue: 28 Jan
- arXiv:1101.4432 [pdf, ps, other]
Extreme Enhancements of r-process Elements in the Cool Metal-poor Main-sequence Star SDSS J2357â€“0052
- Virtual Journal - Volume 8, Issue 43 - article #37
- Wako Aoki, Timothy C. Beers, Satoshi Honda and Daniela Carollo
- The Astrophysical Journal Letters - Volume: 723, Issue: 2
- Abstract References Full text PDF (276 KB) View as HTML
Extreme Enhancements of r-process Elements in the Cool Metal-Poor Main-Sequence Star SDSS J2357-0052
- Virtual Journal - Volume 8, Issue 41 - article #7
- Wako Aoki, Timothy C. Beer, Satoshi Honda, Daniela Carollo
- arXiv.org - Astrophysics - Volume: 2010, Issue: 8 Oct
- arXiv:1010.0415 [pdf, ps, other]
BD+44°493: A Ninth Magnitude Messenger from the Early Universe; Carbon Enhanced and Beryllium Poor
- Virtual Journal - Volume 7, Issue 22 - article #35
- <em >Hiroko Ito, Wako Aoki, Satoshi Honda, and Timothy C. Beers</em&gt,
- The Astrophysical Journal Letters - Volume: 698, Issue: 1
- Abstract | References
BD +44 493: A Ninth Magnitude Messenger from the Early Universe; Carbon Enhanced and Beryllium Poor
- Virtual Journal - Volume 7, Issue 19 - article #2
- Hiroko Ito, Wako Aoki, Satoshi Honda, Timothy C. Beers
- arXiv.org - Astrophysics - Volume: 2009, Issue: 8 May
- arXiv:0905.0950 [ps, pdf, other]
Spectroscopic Observations of the WZ Sge-Type Dwarf Nova GW Librae during the 2007 Superoutburst
- Virtual Journal - Volume 7, Issue 17 - article #3
- Kazuo Hiroi, Daisaku Nogami, Yoshihiro Ueda, Yuuki Moritani, Yuichi Soejima, Akira Imada, Osamu Hashimoto, Kenzo Kinugasa, Satoshi Honda, Shin-ya Narusawa, Makoto Sakamoto, Ryo Iizuka, Kentaro Matsuda, Hiroyuki Naito, Takashi Iijima, Mitsugu Fujii
- arXiv.org - Astrophysics - Volume: 2009, Issue: 24 Apr
- arXiv:0904.3425 [ps, pdf, other]
Evidence for a companion to BM Gem, a silicate carbon star
- Virtual Journal - Volume 6, Issue 18 - article #2
- Hideyuki Izumiura, Kunio Noguchi, Wako Aoki, Satoshi Honda, Hiroyasu Ando, Masahide Takada-Hidai, Eiji Kambe, Satoshi Kawanomoto, Kozo Sadakane, Bun'ei Sato, Akito Tajitsu, Wataru Tanaka, Ki'ichi Okita, Etsuji Watanabe, Michitoshi Yoshida
- arXiv.org - Astrophysics - Volume: 2008, Issue: 1 May
- arXiv:0804.4040 [ps, pdf, other]
Carbon-Enhanced Metal-Poor Stars. III. Main-Sequence Turnoff Stars from the SDSS SEGUE Sample
- Virtual Journal - Volume 6, Issue 18 - article #27
- Wako Aoki, Timothy C. Beers, Thirupathi Sivarani, Brian Marsteller, Young Sun Lee, Satoshi Honda, John E. Norris, Sean G. Ryan, and Daniela Carollo
- The Astrophysical Journal - Volume: 678, Issue: 2
- Abstract-Full Text-PDF Version (1131 kB)
Enrichment of lead (Pb) in the Galactic halo
- Virtual Journal - Volume 6, Issue 15 - article #3
- Wako Aoki, Satoshi Honda
- arXiv.org - Astrophysics - Volume: 2008, Issue: 10 Apr
- arXiv:0804.0952 [ps, pdf, other]
Carbon-Enhanced Metal-Poor Stars. III. Main-Sequence Turn-Off Stars from the SDSS/SEGUE Sample
- Virtual Journal - Volume 6, Issue 5 - article #2
- Wako Aoki, Timothy C. Beers, Thirupathi Sivarani, Brian Marsteller, Young Sun Lee, Satoshi Honda, John E. Norris, Sean G. Ryan, Daniela Carollo
- arXiv.org - Astrophysics - Volume: 2008, Issue: 31 Jan
- arXiv:0801.4187 [ps, pdf, other]
Neutron-Capture Elements in the Very Metal-poor Star HD 88609: Another Star with Excesses of Light Neutron-Capture Elements
- Virtual Journal - Volume 5, Issue 35 - article #3
- Satoshi Honda, Wako Aoki, Yuhri Ishimaru, and Shinya Wanajo
- The Astrophysical Journal - Volume666, Issue 2
- ABSTRACT | FULL TEXT | PDF (254 kB) | PS
Neutron-capture elements in the very metal-poor star HD88609: another st ar with excesses of light neutron-capture elements
- Virtual Journal - Volume 5, Issue 22 - article #3
- Satoshi Honda, Wako Aoki, Yuhri Ishimaru, Shinya Wanajo
- ArXiv - Astrophysics
- arXiv:0705.3975 [ps, pdf, other]
Spectroscopic Studies of Extremely Metal-poor Stars with the Subaru High-Dispersion Spectrograph. IV. The α-Elementâ€“Enhanced Metal-poor Star BS 16934-002
- Virtual Journal - Volume 5, Issue 17 - article #5
- Wako Aoki, Satoshi Honda, Timothy C. Beers, Masahide Takada-Hidai, Nobuyuki Iwamoto, Nozomu Tominaga, Hideyuki Umeda, Ken'ichi Nomoto, John E. Norris, and Sean G. Ryan
- The Astrophysical Journal - Volume660, Issue 1
- ABSTRACT, FULL TEXT WITH ENHANCEMENTS, PDF (319 kB), PS
The first determination of the actinide Th abundance for a red giant of the Ursa Minor dwarf galaxy
- Virtual Journal - Volume 5, Issue 17 - article #7
- Wako Aoki, Satoshi Honda, Kozo Sadakane, Nobuo Arimoto
- ArXiv - Astrophysics
- arXiv:0704.3104 [ps, pdf, other]
Chemical Abundance Analysis of the Extremely Metal-poor Star HE 1300+0157
- Virtual Journal - Volume 5, Issue 12 - article #5
- Anna Frebel, John E. Norris, Wako Aoki, Satoshi Honda, Michael S. Bessell, Masahide Takada-Hidai, Timothy C. Beers, and Norbert Christlieb
- The Astrophysical Journal - Volume658, Issue 1
- ABSTRACT, FULL TEXT, PDF (569 kB), PS
Chemical Abundance Analysis of the Extremely Metal-poor Star HE 1300+0157
- Virtual Journal - Volume 5, Issue 11 - article #9
- Anna Frebel, John E. Norris, Wako Aoki, Satoshi Honda, Michael S. Bessell, Masahide Takada-Hidai, Timothy C. Beers, and Norbert Christlieb
- The Astrophysical Journal - Volume658, Issue 1
- ABSTRACT, FULL TEXT, PDF (569 kB), PS
Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. IV. The alpha-Element-Enhanced Metal-Poor Star BS16934-002
- Virtual Journal - Volume 5, Issue 2 - article #7
- Wako Aoki, Satoshi Honda, Timothy C. Beers, Masahide Takada-Hidai, Nobuyuki Iwamoto, Nozomu Tominaga, Hideyuki Umeda, Ken'ichi Nomoto, John E. Norris, Sean G. Ryan
- ArXiv - Astrophysics
- astro-ph/0701159 [abs, ps, pdf, other]
Chemical Abundance Analysis of the Extremely Metal-Poor Star HE 1300+0157
- Virtual Journal - Volume 4, Issue 49 - article #14
- Anna Frebel, John E. Norris, Wako Aoki, Satoshi Honda, Michael S. Bessell, Masahide Takada-Hidai, Timothy C. Beers, Norbert Christlieb
- ArXiv - Astrophysics
- astro-ph/0612160 [abs, ps, pdf, other]
Neutron-Capture Elements in the Metal-poor Globular Cluster M15
- Virtual Journal - Volume 4, Issue 14 - article #4
- Kaori Otsuki, Satoshi Honda, Wako Aoki, Toshitaka Kajino, and Grant J. Mathews
- ABSTRACT, FULL TEXT, PDF (68 kB), PS
Neutron-capture elements in the metal-poor globular cluster M15
- Virtual Journal - Volume 4, Issue 11 - article #8
- Kaori Otsuki, Satoshi Honda, Wako Aoki, Toshitaka Kajino, Grant J. Mathews
- ArXiv - Astrophysics
- astro-ph/0603328 [abs, ps, pdf, other]
Spectroscopic Studies of Very Metal-poor Stars with the Subaru High Dispersion Spectrograph. III. Light Neutron-Capture Elements
- Virtual Journal - Volume 3, Issue 39 - article #27
- Wako Aoki, Satoshi Honda, Timothy C. Beers, Toshitaka Kajino, Hiroyasu Ando, John E. Norris, Sean G. Ryan, Hideyuki Izumiura, Kozo Sadakane, and Masahide Takada-Hidai
- Astrophysical Journal – Vol. 632, No. 1 – September 2005
- ABSTRACT, FULL TEXT WITH ENHANCEMENTS, PDF (491 kB), PS
Non-LTE Line-Formation and Abundances of Sulfur and Zinc in F, G, and K Stars
- Virtual Journal - Volume 3, Issue 37 - article #34
- Yoichi Takeda, Osamu Hashimoto, Hikaru Taguchi, Kazuo Yoshioka, Masahide Takada-Hidai, Yuji Saito, Satoshi Honda
- ArXiv – Astrophysics – September 2005
- astro-ph/0509239 [ abs , ps , pdf , other ]
Nucleosynthetic signatures of the first stars
- Virtual Journal - Volume 3, Issue 15 - article #39
- ANNA FREBEL, WAKO AOKI, NORBERT CHRISTLIEB, HIROYASU ANDO, MARTIN ASPLUND, PAUL S. BARKLEM, TIMOTHY C. BEERS, KJELL ERIKSSON, CORA FECHNER, MASAYUKI Y. FUJIMOTO, SATOSHI HONDA, TOSHITAKA KAJINO, TAKEO MINEZAKI, KEN'ICHI NOMOTO, JOHN E. NORRIS, SEAN G. RYAN, MASAHIDE TAKADA-HIDAI, STELIOS TSANGARIDES & YUZURU YOSHII
- Nature - Vol 434 No 7035 – April 2005
- First paragraph , Full text , PDF (181k), N&V
Spectroscopic Studies of Very Metal-Poor Stars with the Subaru High Dispersion Spectrograph. III. Light Neutron-Capture Elements
- Virtual Journal - Volume 3, Issue 9 - article #7
- Wako Aoki, Satoshi Honda, Timothy C. Beers, Toshitaka Kajino, Hiroyasu Ando, John E. Norris, Sean G. Ryan, Hideyuki Izumiura, Kozo Sadakane, Masahide Takada-Hidai
- arXiv - Astrophysics – March 2005
- astro-ph/0503032 [ abs , ps , pdf , other ]
Nucleosynthetic signatures of the first stars
- Virtual Journal - Volume 3, Issue 9 - article #10
- Anna Frebel, Wako Aoki, Norbert Christlieb, Hiroyasu Ando, Martin Asplund, Paul S. Barklem, Timothy C. Beers, Kjell Eriksson, Cora Fechner, Masayuki Y. Fujimoto, Satoshi Honda, Toshitaka Kajino, Takeo Minezaki, Ken`ichi Nomoto, John E. Norris, Sean G. Ryan, Masahide Takada-Hidai, Stelios Tsangarides, Yuzuru Yoshii
- arXiv - Astrophysics – March 2005
- astro-ph/0503021 [ abs , ps , pdf , other ]
Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. II. The r -Process Elements, Including Thorium
- Virtual Journal - Volume 2, Issue 20 - article #29
- Satoshi Honda, Wako Aoki, Toshitaka Kajino, Hiroyasu Ando, Timothy C. Beers, Hideyuki Izumiura, Kozo Sadakane, and Masahide Takada-Hidai
- Astrophysical Journal - Volume 607, Number 1 – May 2004
- ABSTRACT , FULL TEXT , PDF (1383 kB), PS
Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. I. Observational Data
- Virtual Journal - Volume 2, Issue 16 - article #20
- Satoshi Honda, Wako Aoki, Hiroyasu Ando, Hideyuki Izumiura, Toshitaka Kajino, Eiji Kambe, Satoshi Kawanomoto, Kunio Noguchi, Kiichi Okita, Kozo Sadakane, Bun'ei Sato, Masahide Takada-Hidai, Yoichi Takeda, Etsuji Watanabe, Timothy C. Beers, John E. Norris, and Sean G. Ryan
- The Astrophysical Journal Supplement Series - Volume 152, Number 1
- ABSTRACT , FULL TEXT , PDF (770 kB), PS

Results 1 - 44 of 44

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