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Results 1 - 44 of 44

Chemical enrichment by collapsars as the origin of the unusually high [Ba/Fe] in a massive star cluster of the dwarf galaxy NGC 1569
- Volume 19, Issue 44 - article #1
- Brayden Leicester, Kenji Bekki, Takuji Tsujimoto
- https://arxiv.org/abs/2410.19257
Joint r-process Enrichment by Supernovae with a Metallicity Threshold and Neutron Star Mergers
- Volume 19, Issue 21 - article #19
- Takuji Tsujimoto
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad4032
Metallicities of Classical Cepheids in the Inner Galactic Disk
- Volume 18, Issue 36 - article #16
- Noriyuki Matsunaga, Daisuke Taniguchi, Scarlet S. Elgueta, Takuji Tsujimoto, Junichi Baba, Andrew McWilliam, Shogo Otsubo, Yuki Sarugaku, Tomomi Takeuchi, Haruki Katoh
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/aced93
Potential Signature of Population III Pair-instability Supernova Ejecta in the BLR Gas of the Most Distant Quasar at z = 7.54
- Volume 17, Issue 38 - article #11
- Yuzuru Yoshii, Hiroaki Sameshima, Takuji Tsujimoto, Toshikazu Shigeyama, Timothy C. Beers, Bruce A. Peterson
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ac8163
Potential signature of Population III pair-instability supernova ejecta in the BLR gas of the most distant quasar at z = 7.54. (arXiv:2207.11909v1 [astro-ph.GA])
- Volume 17, Issue 30 - article #4
- Yuzuru Yoshii, Hiroaki Sameshima, Takuji Tsujimoto, Toshikazu Shigeyama, Timothy C. Beers, Bruce A. Peterson
- http://arxiv.org/abs/2207.11909
A Very Metal-poor RR Lyrae Star with a Disk Orbit Found in the Solar Neighborhood
- Volume 17, Issue 4 - article #13
- Noriyuki Matsunaga, Akinori Itane, Kohei Hattori, Juliana Crestani, Vittorio Braga, Giuseppe Bono, Daisuke Taniguchi, Junichi Baba, Hiroyuki Maehara, Nobuharu Ukita, Tsuyoshi Sakamoto, Naoto Kobayashi, Tsutomu Aoki, Takao Soyano, Kenâichi Tarusawa, Yuki Sarugaku, Hiroyuki Mito, Shigeyuki Sako, Mamoru Doi, Yoshikazu Nakada, Natsuko Izumi, Yoshifusa Ita, Hiroki Onozato, Mingjie Jian, Sohei Kondo, Satoshi Hamano, Chikako Yasui, Takuji Tsujimoto, Shogo Otsubo, Yuji Ikeda,, Hideyo Kawakita
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/925/1/10
A Very Metal-poor RR Lyrae Star with a Disk Orbit Found in the Solar Neighborhood. (arXiv:2201.05402v1 [astro-ph.SR])
- Volume 17, Issue 3 - article #2
- Noriyuki Matsunaga, Akinori Itane, Kohei Hattori, Juliana Crestani, Vittorio Braga, Giuseppe Bono, Daisuke Taniguchi, Junichi Baba, Hiroyuki Maehara, Nobuharu Ukita, Tsuyoshi Sakamoto, Naoto Kobayashi, Tsutomu Aoki, Takao Soyano, Ken'ichi Tarusawa, Yuki Sarugaku, Hiroyuki Mito, Shigeyuki Sako, Mamoru Doi, Yoshikazu Nakada, Natsuko Izumi, Yoshifusa Ita, Hiroki Onozato, Mingjie Jian, Sohei Kondo, Satoshi Hamano, Chikako Yasui, Takuji Tsujimoto, Shogo Otsubo, Yuji Ikeda, Hideyo Kawakita
- http://arxiv.org/abs/2201.05402
Two Sites of r -process Production Assessed on the Basis of the Age-tagged Abundances of Solar Twins
- Volume 16, Issue 42 - article #8
- Takuji Tsujimoto
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/920/2/L32
Two Sites of r-Process Production Assessed on the Basis of the Age-tagged Abundances of Solar Twins. (arXiv:2110.02261v1 [astro-ph.GA])
- Volume 16, Issue 41 - article #6
- Takuji Tsujimoto
- http://arxiv.org/abs/2110.02261
r -process Enrichment in the Galactic Halo Characterized by Nucleosynthesis Variation in the Ejecta of Coalescing Neutron Star Binaries
- Volume 15, Issue 5 - article #19
- Takuji Tsujimoto, Nobuya Nishimura,, Koutarou Kyutoku
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/889/2/119
Identification of Absorption Lines of Heavy Metals in the Wavelength Range 0.97--1.32 Micron. (arXiv:1911.11277v1 [astro-ph.SR])
- Volume 14, Issue 48 - article #1
- Noriyuki Matsunaga, Daisuke Taniguchi, Mingjie Jian, Yuji Ikeda, Kei Fukue, Sohei Kondo, Satoshi Hamano, Hideyo Kawakita, Naoto Kobayashi, Shogo Otsubo, Hiroaki Sameshima, Keiichi Takenaka, Takuji Tsujimoto, Ayaka Watase, Chikako Yasui, Tomohiro Yoshikawa
- http://arxiv.org/abs/1911.11277
A New Formation Model for ω Centauri: A Complex Interplay of Astrophysical Processes
- Volume 14, Issue 48 - article #6
- Kenji Bekki, Takuji Tsujimoto
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/886/2/121
A new formation model for omega Centauri: the crossroad of astrophysical processes. (arXiv:1909.11295v1 [astro-ph.GA])
- Volume 14, Issue 39 - article #1
- Kenji Bekki, Takuji Tsujimoto
- http://arxiv.org/abs/1909.11295
Galactic r -process Abundance Feature Shaped by Radial Migration
- Volume 14, Issue 25 - article #9
- Takuji Tsujimoto, Junichi Baba
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/878/2/125
Galactic r-process abundance feature shaped by radial migration. (arXiv:1905.08275v1 [astro-ph.GA])
- Volume 14, Issue 21 - article #2
- Takuji Tsujimoto, Junichi Baba
- http://arxiv.org/abs/1905.08275
Early Chemical Evolution of Zn Driven by Magnetorotational Supernovae and the Pathway to the Solar Zn Composition
- Volume 13, Issue 34 - article #12
- Takuji Tsujimoto, Nobuya Nishimura
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/863/2/L27
Enrichment in r -process Elements from Multiple Distinct Events in the Early Draco Dwarf Spheroidal Galaxy
- Volume 12, Issue 46 - article #16
- Takuji Tsujimoto, Tadafumi Matsuno, Wako Aoki, Miho N. Ishigaki,, Toshikazu Shigeyama
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/850/1/L12
Enrichment in r-process elements from multiple distinct events in the early Draco dwarf spheroidal galaxy. (arXiv:1711.02121v1 [astro-ph.SR])
- Volume 12, Issue 45 - article #3
- Takuji Tsujimoto, Tadafumi Matsuno, Wako Aoki, Miho N. Ishigaki, Toshikazu Shigeyama
- http://arxiv.org/abs/1711.02121
Formation of Globular Clusters with Internal Abundance Spreads in r -Process Elements: Strong Evidence for Prolonged Star Formation
- Volume 12, Issue 29 - article #20
- Kenji Bekki, Takuji Tsujimoto
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/844/1/34
Formation of globular clusters with internal abundance spreads in r-process elements: strong evidence for prolonged star formation. (arXiv:1706.01194v1 [astro-ph.GA])
- Volume 12, Issue 23 - article #1
- Kenji Bekki, Takuji Tsujimoto
- http://arxiv.org/abs/1706.01194
Formation of Anomalous Globular Clusters with Metallicity Spreads: A Unified Picture
- Volume 11, Issue 44 - article #18
- Kenji Bekki, Takuji Tsujimoto
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/831/1/70
Formation of anomalous globular clusters with metallicity spreads: A unified picture. (arXiv:1608.08012v1 [astro-ph.GA])
- Volume 11, Issue 36 - article #7
- Kenji Bekki, Takuji Tsujimoto
- http://arxiv.org/abs/1608.08012
The r-process in Magnetorotational Supernovae
- Volume 10, Issue 36 - article #13
- Takuji Tsujimoto and Nobuya Nishimura
- The Astrophysical Journal Letters - Volume: 811, Issue: 1
- View article PDF (294 KB)
r-Process enrichment by magnetorotational core-collapse supernovae in the early dwarf spheroidal galaxies
- Volume 10, Issue 32 - article #3
- Takuji Tsujimoto, Nobuya Nishimura
- arXiv.org - Astrophysics - Volume: 2015, Issue: 4 Sep
- arXiv:1509.00004 [pdf, other]
Chemical Feature of Eu abundance in the Draco dwarf spheroidal galaxy
- Volume 10, Issue 15 - article #2
- Takuji Tsujimoto, Miho N. Ishigaki, Toshikazu Shigeyama, Wako Aoki
- arXiv.org - Astrophysics - Volume: 2015, Issue: 17 Apr
- arXiv:1504.03357 [pdf, ps, other]
The origins of light and heavy r-process elements identified by chemical tagging of metal-poor stars
- Volume 9, Issue 23 - article #9
- Takuji Tsujimoto, Toshikazu Shigeyama
- arXiv.org - Astrophysics - Volume: 2014, Issue: 10 Oct
- arXiv:1410.1891 [pdf, ps, other]
Enrichment history of r-process elements shaped by a merger of neutron star pairs
- Volume 9, Issue 19 - article #3
- Takuji Tsujimoto, Toshikazu Shigeyama
- arXiv.org - Astrophysics - Volume: 2014, Issue: 9 May
- arXiv:1405.1443 [pdf, ps, other]
Chemical Evolution of the Large Magellanic Cloud
- Volume 7, Issue 49 - article #24
- Kenji Bekki and Takuji Tsujimoto
- The Astrophysical Journal - Volume: 761, Issue: 2
- Abstract References Full text PDF (2.61 MB) View as HTML
Diversity of Type Ia Supernovae Imprinted in Chemical Abundances
- Volume 7, Issue 46 - article #18
- Takuji Tsujimoto and Toshikazu Shigeyama
- The Astrophysical Journal Letters - Volume: 760, Issue: 2
- Abstract References Full text PDF (814 KB) View as HTML
Diversity of Type Ia Supernovae Imprinted in Chemical Abundances
- Volume 7, Issue 44 - article #3
- Takuji Tsujimoto, Toshikazu Shigeyama
- arXiv.org - Astrophysics - Volume: 2012, Issue: 2 Nov
- arXiv:1210.7829 [pdf, ps, other]
First Evidence of Globular Cluster Formation from the Ejecta of Prompt Type Ia Supernovae
- Volume 7, Issue 20 - article #45
- Takuji Tsujimoto and Kenji Bekki
- The Astrophysical Journal Letters - Volume: 751, Issue: 2
- Abstract References Full text PDF (259 KB) View as HTML
Two-component Galactic Bulge Probed with Renewed Galactic Chemical Evolution Model
- Volume 7, Issue 15 - article #51
- Takuji Tsujimoto and Kenji Bekki
- The Astrophysical Journal - Volume: 747, Issue: 2
- Abstract References Full text PDF (540 KB) View as HTML
Two-Component Galactic Bulge Probed with Renewed Galactic Chemical Evolution Model
- Volume 7, Issue 1 - article #13
- Takuji Tsujimoto, Kenji Bekki
- arXiv.org - Astrophysics - Volume: 2012, Issue: 6 Jan
- arXiv:1201.1019 [pdf, ps, other]
Origin of Chemical and Dynamical Properties of the Galactic Thick Disk
- Volume 6, Issue 37 - article #43
- Kenji Bekki and Takuji Tsujimoto
- The Astrophysical Journal - Volume: 738, Issue: 1
- Abstract References Full text PDF (4.74 MB) View as HTML
Chemical Signature Indicating a Lack of Massive Stars in Dwarf Galaxies
- Volume 6, Issue 31 - article #27
- Takuji Tsujimoto
- The Astrophysical Journal - Volume: 736, Issue: 2
- Abstract References Full text PDF (876 KB) View as HTML
Formation of the Galactic bulge from a two-component stellar disk: Explaining cylindrical rotation and vertical metallicity gradient
- Volume 6, Issue 25 - article #7
- Kenji Bekki, Takuji Tsujimoto
- arXiv.org - Astrophysics - Volume: 2011, Issue: 24 Jun
- arXiv:1106.4363 [pdf, ps, other]
Origin of chemical and dynamical properties of the Galactic thick disk
- Volume 6, Issue 22 - article #11
- Kenji Bekki, Takuji Tsujimoto
- arXiv.org - Astrophysics - Volume: 2011, Issue: 3 Jun
- arXiv:1105.5864 [pdf, ps, other]
Chemical Signature of a Major Merger in the Early Formation of the Small Magellanic Cloud
- Volume 4, Issue 30 - article #35
- <em >Takuji Tsujimoto and Kenji Bekki</em&gt,
- The Astrophysical Journal Letters - Volume: 700, Issue: 2
- Abstract | References
Chemical Signature of a Major Merger in the Early Formation of Small Magellanic Cloud
- Volume 4, Issue 26 - article #2
- Takuji Tsujimoto, Kenji Bekki
- arXiv.org - Astrophysics - Volume: 2009, Issue: 26 Jun
- arXiv:0906.3545 [ps, pdf, other]
Highly He-Rich Matter Dredged Up by Extra Mixing through Stellar Encounters in Globular Clusters
- Volume 2, Issue 44 - article #20
- Takuma Suda (Hokkaido Univ.), Takuji Tsujimoto (NAOJ), Toshikazu Shigeyama (Univ. of Tokyo), Masayuki Y. Fujimoto (Hokkaido Univ.)
- arXiv.org - Astrophysics - Volume: 2007, Issue: 1 Nov
- arXiv:0710.5271 [ps, pdf, other]
Fossil Imprints of Outflow from the Galactic Bulge in Elemental Abundances of Metal-Rich Disk Stars
- Volume 2, Issue 28 - article #3
- Takuji Tsujimoto
- ArXiv - Astrophysics
- arXiv:0707.1168 [ps, pdf, other]
Fossil Imprints of Outflow from the Galactic Bulge in Elemental Abundances of Metal-Rich Disk Stars
- Volume 2, Issue 28 - article #3
- Takuji Tsujimoto
- ArXiv - Astrophysics
- arXiv:0707.1168 [ps, pdf, other]
First Detection of Na I D Lines in High-Redshift Damped Lyα Systems
- Volume 1, Issue 19 - article #8
- Sohei Kondo, Naoto Kobayashi, Yosuke Minowa, Takuji Tsujimoto, Christopher W. Churchill, Naruhisa Takato, Masanori Iye, Yukiko Kamata, Hiroshi Terada, Tae-Soo Pyo, Hideki Takami, Yutaka Hayano, Tomio Kanzawa, D. Saint-Jacques, Wolfgang Gäessler, Shin Oya, Ko Nedachi, and Alan Tokunaga
- Astrophysical Journal - Volume 643, Issue 2 - June, 2006
- ABSTRACT, FULL TEXT, PDF (293 kB), PS
Relics of Metal-free Low-Mass Stars Exploding as Thermonuclear Supernovae
- Volume 1, Issue 3 - article #6
- Takuji Tsujimoto and Toshikazu Shigeyama
- Astrophysical Journal Letters - Volume 638, Issue 2 - February, 2006
- ABSTRACT, FULL TEXT, PDF (144 kB), PS

Results 1 - 44 of 44

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