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Results 1 - 43 of 43

Final Results of Search for New Milky Way Satellites in the Hyper Suprime-Cam Subaru Strategic Program Survey: Discovery of Two More Candidates. (arXiv:2311.05439v1 [astro-ph.GA])
- Volume 18, Issue 44 - article #2
- Daisuke Homma, Masashi Chiba, Yutaka Komiyama, Masayuki Tanaka, Sakurako Okamoto, Mikito Tanaka, Miho N. Ishigaki, Kohei Hayashi, Nobuo Arimoto, Robert H. Lupton, Michael A. Strauss, Satoshi Miyazaki, Shiang-Yu Wang, Hitoshi Murayama
- http://arxiv.org/abs/2311.05439
EMPRESS. IV. Extremely Metal-poor Galaxies Including Very Low-mass Primordial Systems with M * = 10 4 –10 5 M ⊙ and 2%–3% (O/H): High (Fe/O) Suggestive of Metal Enrichment by Hypernovae/Pair-instability Supernovae
- Volume 17, Issue 5 - article #14
- Yuki Isobe, Masami Ouchi, Akihiro Suzuki, Takashi J. Moriya, Kimihiko Nakajima, Kenâichi Nomoto, Michael Rauch, Yuichi Harikane, Takashi Kojima, Yoshiaki Ono, Seiji Fujimoto, Akio K. Inoue, Ji Hoon Kim, Yutaka Komiyama, Haruka Kusakabe, Chien-Hsiu Lee, Michael Maseda, Jorryt Matthee, Leo Michel-Dansac, Tohru Nagao, Themiya Nanayakkara, Moka Nishigaki, Masato Onodera, Yuma Sugahara,, Yi Xu
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/925/2/111
Third Data Release of the Hyper Suprime-Cam Subaru Strategic Program. (arXiv:2108.13045v1 [astro-ph.IM])
- Volume 16, Issue 36 - article #5
- Hiroaki Aihara, Yusra AlSayyad, Makoto Ando, Robert Armstrong, James Bosch, Eiichi Egami, Hisanori Furusawa, Junko Furusawa, Sumiko Harasawa, Yuichi Harikane, Bau-Ching Hsieh, Hiroyuki Ikeda, Kei Ito, Ikuru Iwata, Tadayuki Kodama, Michitaro Koike, Mitsuru Kokubo, Yutaka Komiyama, Xiangchong Li, Yongming Liang, Yen-Ting Lin, Robert H. Lupton, Nate B Lust, Lauren A. MacArthur, Ken Mawatari, Sogo Mineo, Hironao Miyatake, Satoshi Miyazaki, Surhud More, Takahiro Morishima, Hitoshi Murayama, Kimihiko Nakajima, Fumiaki Nakata, Atsushi J. Nishizawa, Masamune Oguri, Nobuhiro Okabe, Yuki Okura, Yoshiaki Ono, Ken Osato, Masami Ouchi, Yen-Chen Pan, Andrés A. Plazas Malagón, Paul A. Price, Sophie L Reed, Eli S. Rykoff, Takatoshi Shibuya, Mirko Simunovic, Michael A. Strauss, Kanako Sugimori, et al. (18 additional authors not shown)
- http://arxiv.org/abs/2108.13045
EMPRESS. II. Highly Fe-Enriched Metal-poor Galaxies with ?1.0 (Fe/O)? and 0.02 (O/H)? : Possible Traces of Super Massive (>300M?) Stars in Early Galaxies
- Volume 15, Issue 24 - article #7
- Takashi Kojima (1,2), Masami Ouchi (3,1,4), Michael Rauch (5), Yoshiaki Ono (1), Kimihiko Nakajima (3), Yuki Isobe (1,2), Seiji Fujimoto (6,7), Yuichi Harikane (3,8,1), Takuya Hashimoto (9), Masao Hayashi (3), Yutaka Komiyama (3), Haruka Kusakabe (10), Ji Hoon Kim (11,12), Chien-Hsiu Lee (13), Shiro Mukae (1,2), Tohru Nagao (14), Masato Onodera (11,15), Takatoshi Shibuya (16), Yuma Sugahara (17), Masayuki Umemura (18), Kiyoto Yabe (4) ((1) ICRR, (2) Univ. of Tokyo, (3) NAOJ, (4) Kavli IPMU, (5) Carnegie Observatory, (6) DAWN fellow, (7) Univ. of Copenhagen, (8) UCL, (9) TCHoU, (10) Observatoire de Geneve, (11) Subaru Telescope, (12) Metaspace, (13) NOAO, (14) Ehime Univ., (15) SOKENDAI, (16) Kitami Institute of Tech., (17) Waseda Univ., (18) Univ. of Tsukuba)
- http://arxiv.org/abs/2006.03831
Star Formation in Isolated Dwarf Galaxies Hosting Tidal Debris: Extending the Dwarf–Dwarf Merger Sequence
- Volume 15, Issue 7 - article #11
- Erin Kado-Fong, Jenny E. Greene, Johnny P. Greco, Rachael Beaton, Andy D. Goulding, Sean D. Johnson,, Yutaka Komiyama
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/159/3/103
Are Faint Supernovae Responsible for Carbon-enhanced Metal-poor Stars?
- Volume 15, Issue 7 - article #15
- Yutaka Komiya, Takuma Suda, Shimako Yamada,, Masayuki Y. Fujimoto
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/890/1/66
Bo"otes IV: A New Milky Way Satellite Discovered in the Subaru Hyper Suprime-Cam Survey and Implications for the Missing Satellite Problem. (arXiv:1906.07332v1 [astro-ph.GA])
- Volume 14, Issue 25 - article #1
- Daisuke Homma, Masashi Chiba, Yutaka Komiyama, Masayuki Tanaka, Sakurako Okamoto, Mikito Tanaka, Miho N. Ishigaki, Kohei Hayashi, Nobuo Arimoto, Scott G. Carlsten, Robert H. Lupton, Michael A. Strauss, Satoshi Miyazaki, Gabriel Torrealba, Shiang-Yu Wang, Hitoshi Murayama
- http://arxiv.org/abs/1906.07332
The stellar halo of the Milky Way traced by blue horizontal-branch stars in the Subaru Hyper Suprime-Cam Survey. (arXiv:1904.04966v1 [astro-ph.GA])
- Volume 14, Issue 15 - article #14
- Tetsuya Fukushima, Masashi Chiba, Mikito Tanaka, Kohei Hayashi, Daisuke Homma, Sakurako Okamoto, Yutaka Komiyama, Masayuki Tanaka, Nobuo Arimoto, Tadafumi Matsuno
- http://arxiv.org/abs/1904.04966
Stellar Stream and Halo Structure in the Andromeda Galaxy from a Subaru/Hyper Suprime-Cam Survey
- Volume 13, Issue 4 - article #24
- Yutaka Komiyama, Masashi Chiba, Mikito Tanaka, Masayuki Tanaka, Takanobu Kirihara, Yohei Miki, Masao Mori, Robert H. Lupton, Puragra Guhathakurta, Jason S. Kalirai, Karoline Gilbert, Evan Kirby, Myun Gyoon Lee, In Sung Jang, Sanjib Sharma,, Kohei Hayashi
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/853/1/29
Structure of the Milky Way stellar halo out to its outer boundary with blue horizontal-branch stars. (arXiv:1711.10701v1 [astro-ph.GA])
- Volume 12, Issue 48 - article #8
- Tetsuya Fukushima, Masashi Chiba, Daisuke Homma, Sakurako Okamoto, Yutaka Komiyama, Masayuki Tanaka, Mikito Tanaka, Nobuo Arimoto
- http://arxiv.org/abs/1711.10701
R -process Element Cosmic Rays from Neutron Star Mergers
- Volume 12, Issue 37 - article #10
- Yutaka Komiya, Toshikazu Shigeyama
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/846/2/143
R-process Element Cosmic Rays from Neutron Star Mergers. (arXiv:1708.05638v1 [astro-ph.HE])
- Volume 12, Issue 34 - article #11
- Yutaka Komiya, Toshikazu Shigeyama
- http://arxiv.org/abs/1708.05638
Searches for New Milky Way Satellites from the First Two Years of Data of the Subaru/Hyper Suprime-Cam Survey: Discovery of Cetus~III. (arXiv:1704.05977v1 [astro-ph.GA])
- Volume 12, Issue 16 - article #5
- Daisuke Homma, Masashi Chiba, Sakurako Okamoto, Yutaka Komiyama, Masayuki Tanaka, Mikito Tanaka, Miho N. Ishigaki, Kohei Hayashi, Nobuo Arimoto, Jose A. Garmilla, Robert H. Lupton, Michael A. Strauss, Satoshi Miyazaki, Shiang-Yu Wang, Hitoshi Murayama
- http://arxiv.org/abs/1704.05977
A New Milky Way Satellite Discovered in the Subaru/Hyper Suprime-Cam Survey
- Volume 11, Issue 47 - article #21
- Daisuke Homma, Masashi Chiba, Sakurako Okamoto, Yutaka Komiyama, Masayuki Tanaka, Mikito Tanaka, Miho N. Ishigaki, Masayuki Akiyama, Nobuo Arimoto, JosÃ© A. Garmilla, Robert H. Lupton, Michael A. Strauss, Hisanori Furusawa, Satoshi Miyazaki, Hitoshi Murayama, Atsushi J. Nishizawa, Masahiro Takada, Tomonori Usuda,, Shiang-Yu Wang
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/832/1/21
A New Milky Way Satellite Discovered In The Subaru/Hyper Suprime-Cam Survey. (arXiv:1609.04346v1 [astro-ph.GA])
- Volume 11, Issue 38 - article #2
- Daisuke Homma, Masashi Chiba, Sakurako Okamoto, Yutaka Komiyama, Masayuki Tanaka, Mikito Tanaka, Miho N. Ishigaki, Masayuki Akiyama, Nobuo Arimoto, Jose A. Garmilla, Robert H. Lupton, Michael A. Strauss, Hisanori Furusawa, Satoshi Miyazaki, Hitoshi Murayama, Atsushi J. Nishizawa, Masahiro Takada, Tomonori Usuda, Shiang-Yu Wang
- http://arxiv.org/abs/1609.04346
Population III stars around the Milky Way
- Volume 11, Issue 13 - article #7
- Yutaka Komiya, Takuma Suda, Masayuki Y. Fujimoto
- arXiv.org - Astrophysics - Volume: 2016, Issue: 25 Mar
- arXiv:1603.06096 [pdf, ps, other]
The Most Iron-deficient Stars as the Polluted Population III Stars
- Volume 10, Issue 29 - article #10
- Yutaka Komiya, Takuma Suda, and Masayuki Y. Fujimoto
- The Astrophysical Journal Letters - Volume: 808, Issue: 2
- View article PDF (595 KB)
The most iron-deficient stars as the polluted population III stars
- Volume 10, Issue 25 - article #16
- Yutaka Komiya, Takuma Suda, Masayuki Y. Fujimoto
- arXiv.org - Astrophysics - Volume: 2015, Issue: 10 Jul
- arXiv:1507.01664 [pdf, ps, other]
The New Model of Chemical Evolution of r-process Elements Based on the Hierarchical Galaxy Formation. I. Ba and Eu
- Volume 9, Issue 18 - article #11
- Yutaka Komiya, Shimako Yamada, Takuma Suda, and Masayuki Y. Fujimoto
- The Astrophysical Journal - Volume: 783, Issue: 2
- View article PDF (2.90 MB)
The New Model of Chemical Evolution of r-process Elements Based on The Hierarchical Galaxy Formation I: Ba and Eu
- Volume 9, Issue 5 - article #14
- Yutaka Komiya, Shimako Yamada, Takuma Suda, Masayuki Y. Fujimoto
- arXiv.org - Astrophysics - Volume: 2014, Issue: 31 Jan
- arXiv:1401.6261 [pdf, ps, other]
The Stellar Abundances for Galactic Archaeology (SAGA) Database – III. Analysis of enrichment histories for elements and two modes of star formation during the early evolution of the Milky Way
- Volume 9, Issue 4 - article #30
- Shimako Yamada, Takuma Suda, Yutaka Komiya, Wako Aoki, and Masayuki Y. Fujimoto
- Monthly Notices of the Royal Astronomical Society - Volume: 436, Issue: 2
- Abstract Full Text (HTML) Full Text (PDF)
Current signatures and search for Pop. III stars in the Local Universe
- Volume 8, Issue 51 - article #3
- Yutaka Komiya, Takuma Suda, Masayuki Fujimoto
- arXiv.org - Astrophysics - Volume: 2013, Issue: 20 Dec
- arXiv:1312.5069 [pdf, ps, other]
The Stellar Abundances for Galactic Archaeology (SAGA) Database III - Analysis of Enrichment Histories for Elements and Two Modes of Star Formation during the Early Evolution of Milky Way
- Volume 8, Issue 38 - article #12
- Shimako Yamada, Takuma Suda, Yutaka Komiya, Wako Aoki, Masayuki Y. Fujimoto
- arXiv.org - Astrophysics - Volume: 2013, Issue: 20 Sep
- arXiv:1309.3430 [pdf, ps, other]
A spectroscopic survey of Andromeda’s Western Shelf
- Volume 7, Issue 27 - article #21
- Mark A. Fardal, Puragra Guhathakurta, Karoline M. Gilbert, Erik J. Tollerud, Jason S. Kalirai, Mikito Tanaka, Rachael Beaton, Masashi Chiba, Yutaka Komiyama and Masanori Iye
- Monthly Notices of the Royal Astronomical Society - Volume: 423, Issue: 4
- Abstract Full Article (HTML)PDF(1473K)References Request Permissions
Structure and Population of the NGC 55 Stellar Halo from A Subaru/Suprime-Cam Survey
- Volume 6, Issue 37 - article #48
- Mikito Tanaka, Masashi Chiba, Yutaka Komiyama, Puragra Guhathakurta and Jason S. Kalirai
- The Astrophysical Journal - Volume: 738, Issue: 2
- Abstract References Full text PDF (915 KB) View as HTML
Extremely Metal-poor Stars and a Hierarchical Chemical Evolution Model
- Volume 6, Issue 31 - article #23
- Yutaka Komiya
- The Astrophysical Journal - Volume: 736, Issue: 1
- Abstract References Full text PDF (3.33 MB) View as HTML
Extremely Metal-Poor Stars and a Hierarchical Chemical Evolution Model
- Volume 6, Issue 19 - article #6
- Yutaka Komiya
- arXiv.org - Astrophysics - Volume: 2011, Issue: 13 May
- arXiv:1105.2099 [pdf, ps, other]
The Stellar Abundances for Galactic Archaeology (SAGA) data base – II. Implications for mixing and nucleosynthesis in extremely metal-poor stars and chemical enrichment of the Galaxy
- Volume 6, Issue 11 - article #21
- Takuma Suda, Shimako Yamada, Yutaka Katsuta, Yutaka Komiya, Chikako Ishizuka, Wako Aoki and Masayuki Y. Fujimoto
- Monthly Notices of the Royal Astronomical Society - Volume: 412, Issue: 2
- Abstract Full Article (HTML)PDF(4067K)References
Structure and Population of the Andromeda Stellar Halo from a Subaru/Suprime-Cam Survey
- Volume 4, Issue 52 - article #25
- <em >Mikito Tanaka, Masashi Chiba, Yutaka Komiyama, Puragra Guhathakurta, Jason S. Kalirai, and Masanori Iye</em&gt,
- The Astrophysical Journal - Volume: 708, Issue: 2
- Abstract | References
Proper motions with Subaru II. A sample in the Subaru/XMM-Newton Deep Survey field
- Volume 4, Issue 48 - article #13
- Michael W. Richmond, Tomoki Morokuma, Mamoru Doi, Yutaka Komiyama, Naoki Yasuda, Sadanori Okamura
- arXiv.org - Astrophysics - Volume: 2009, Issue: 26 Nov
- arXiv:0911.4927 [ps, pdf, other]
Hierarchical Formation of the Galactic Halo and the Origin of Hyper Metal-Poor Stars
- Volume 4, Issue 16 - article #11
- <em >Yutaka Komiya, Asao Habe, Takuma Suda, and Masayuki Y. Fujimoto</em&gt,
- The Astrophysical Journal Letters - Volume: 696, Issue: 1
- Abstract | References
Early-Age Evolution of the Milky Way Related by Extremely Metal-Poor Stars
- Volume 4, Issue 13 - article #50
- <em >Yutaka Komiya, Takuma Suda, and Masayuki Y. Fujimoto</em&gt,
- The Astrophysical Journal - Volume: 694, Issue: 2
- Abstract | References
Early-Age Evolution of the Milky Way Related by Extremely Metal-Poor Stars
- Volume 4, Issue 2 - article #4
- Yutaka Komiya, Takuma Suda, Masayuki Y. Fujimoto
- arXiv.org - Astrophysics - Volume: 2009, Issue: 8 Jan
- arXiv:0901.0617 [ps, pdf, other]
The Extended Star Formation History of the Andromeda Spheroid at 35 kpc on the Minor Axis
- Volume 3, Issue 39 - article #36
- Thomas M. Brown, Rachael Beaton, Masashi Chiba, Henry C. Ferguson, Karoline M. Gilbert, Puragra Guhathakurta, Masanori Iye, Jasonjot S. Kalirai, Andreas Koch, Yutaka Komiyama, Steven R. Majewski, David B. Reitzel, Alvio Renzini, R. Michael Rich, Ed Smith, Allen V. Sweigart, and Mikito Tanaka
- The Astrophysical Journal Letters - Volume: 685, Issue: 2
- Abstract-Full Text-PDF Version (239 kB)
Proper motions with Subaru I. Methods and a first sample in the Subaru Deep Field
- Volume 3, Issue 38 - article #16
- Michael W. Richmond, Tomoki Morokuma, Mamoru Doi, Yutaka Komiyama, Naoki Yasuda, Sadanori Okamura, Avishay Gal-Yam
- arXiv.org - Astrophysics - Volume: 2008, Issue: 18 Sep
- arXiv:0809.2692 [ps, pdf, other]
The Stellar Abundances for Galactic Archeology (SAGA) Database - Compilation of the Characteristics of Known Extremely Metal-Poor Stars
- Volume 3, Issue 26 - article #11
- Takuma Suda (1), Yutaka Katsuta (1), Shimako Yamada (1), Tamon Suwa (2), Chikako Ishizuka (1), Yutaka Komiya (3), Kazuo Sorai (1), Masayuki Aikawa (1), Masayuki Y. Fujimoto (1) ((1) Hokkaido Univ., (2) Tsukuba Univ., (3) Tohoku Univ.)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 26 Jun
- arXiv:0806.3697 [ps, pdf, other]
The IMF of Extremely Metal-Poor Stars and the Probe into the Star-Formation Process of the Milky Way
- Volume 2, Issue 43 - article #26
- Yutaka Komiya, Takuma Suda, Asao Habe, Masayuki Y. Fujimoto
- arXiv.org - Astrophysics - Volume: 2007, Issue: 25 Oct
- arXiv:0710.4374 [ps, pdf, other]
WIDE-FIELD SURVEY AROUND LOCAL GROUP DWARF SPHEROIDAL GALAXY LEO II: SPATIAL DISTRIBUTION OF STELLAR CONTENT
- Volume 2, Issue 30 - article #18
- Yutaka Komiyama, Mamoru Doi, Hisanori Furusawa, Masaru Hamabe, Katsumi Imi, Masahiko Kimura, Satoshi Miyazaki, Fumiaki Nakata, Norio Okada, Sadanori Okamura, Masami Ouchi, Maki Sekiguchi, Kazuhiro Shimasaku, Masafumi Yagi, and Naoki Yasuda
- Astronomical Journal - Volume 134, Issue 2
- Abstract Full Text with Enhancements PDF (1165 kB)
Wide-field Survey around Local Group Dwarf Spheroidal Galaxy Leo II: Spatial Distribution of Stellar Content
- Volume 2, Issue 21 - article #4
- Yutaka Komiyama, Mamoru Doi, Hisanori Furusawa, Masaru Hamabe, Katsumi Imi, Masahiko Kimura, Satoshi Miyazaki, Fumiaki Nakata, Norio Okada, Sadanori Okamura, Masami Ouchi, Maki Sekiguchi, Kazuhiro Shimasaku, Masafumi Yagi, Naoki Yasuda
- ArXiv - Astrophysics
- arXiv:0705.2901 [ps, pdf, other]
A Subaru/Suprime-Cam Survey of M31's spheroid along the South-East minor axis
- Volume 2, Issue 17 - article #27
- Mikito Tanaka, Masashi Chiba, Yutaka Komiyama, Masanori Iye, Puragra Guhathakurta
- ArXiv - Astrophysics
- arXiv:0704.3328 [ps, pdf, other]
The Origin of Carbon Enhancement and the Initial Mass Function of Extremely Metal-poor Stars in the Galactic Halo
- Volume 2, Issue 12 - article #3
- Yutaka Komiya, Takuma Suda, Hiroki Minaguchi, Toshikazu Shigeyama, Wako Aoki, and Masayuki Y. Fujimoto
- The Astrophysical Journal - Volume658, Issue 1
- ABSTRACT, FULL TEXT WITH ENHANCEMENTS, PDF (622 kB), PS
The Origin of Carbon Enhancement and the Initial Mass Function of Extremely Metal-poor Stars in the Galactic Halo
- Volume 2, Issue 11 - article #4
- Yutaka Komiya, Takuma Suda, Hiroki Minaguchi, Toshikazu Shigeyama, Wako Aoki, and Masayuki Y. Fujimoto
- The Astrophysical Journal - Volume658, Issue 1
- ABSTRACT, FULL TEXT WITH ENHANCEMENTS, PDF (622 kB), PS
The Origin of Carbon-Enhancement and Initial Mass Function of Extremely Metal-Poor Stars in the Galactic Halo
- Volume 1, Issue 39 - article #10
- Yutaka Komiya, Takuma Suda, Hiroki Minaguchi, Toshikazu Shigeyama, Wako Aoki, Masayuki Y. Fujimoto
- ArXiv - Astrophysics
- astro-ph/0610670 [abs, ps, pdf, other]

Results 1 - 43 of 43

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