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People > Research Fellow > Curriculum Vita
Gauging the Hidden Hot Nucleus of NGC 4418 with submillimeter Interferometry
The center of a nearby barred galaxy M83
Sakamoto, Kazushi
Associate Research Fellow (Tenured)
photo of Sakamoto, Kazushi
Office: ASMAB 1415
TEL: +886-2-2366-5472
FAX: +886-2-2367-7849
Email: ksakamoto_replace2@_asiaa.sinica.edu.tw

Education and Positions

  • Associate Research Fellow, ASIAA (2008~present)

Research Interests

My recent research is in the area of millimeter-submillimeter observations of such galaxies as mergers, barred spirals, and starburst galaxies for the purpose of understanding the structure, dynamics, and evolution of galaxies. The intersteller medium visible at millimeter-submillimeter wavelengths is the raw material for star formation, a tracer of galactic dynamics, and a driver of galaxy evolution through its motion within galaxies. Millimeter-submillimeter interforometry techniques are also in my research interests. My current research projects mainly use Submillimeter Array (SMA) and the Atacama Large Millimeter-submillimeter Array (ALMA).

Recent Journal Papers

  1. Krips M; Martin S; Sakamoto K; ... ; Matsushita S; et al., "ACA [CI] Observations of the Starburst Galaxy NGC 253" , ASTROPHYSICAL JOURNAL: 592, L3, 2016-07 [SCI] (Fulltext)
  2. Aalto S; Costagliola F; Muller S; Sakamoto K; et al., "A precessing molecular jet signaling an obscured, growing supermassive black hole in NGC 1377?" , ASTRONOMY & ASTROPHYSICS: 590, A73, 2016-05 [SCI] (Fulltext)
  3. S. Martin, S. Aalto, (K. Sakamoto), E. González-Alfonso, S. Muller, C. Henkel, S. García-Burillo, R. Aladro, F. Costagliola, N. Harada, M. Krips, J. Martín-Pintado, S. Mühler, P. van der Werf, S. Viti, "The unbearable opaqueness of Arp 220" , ASTRONOMY & ASTROPHYSICS: 590, A25, 2016-05 [SCI] (Fulltext)
  4. Krips M; Martín S; Peck AB; Sakamoto K; et al., "SMA Observations of the Extended 12CO(J = 6–5) Emission in the Starburst Galaxy NGC 253" , ASTROPHYSICAL JOURNAL: 821(2), 112, 2016-04 [SCI] (Fulltext)
  5. Aalto, S., Martin, S., Costagliola, F., Gonzalez-Alfonso, E., Muller, S., Sakamoto, K., Fuller, G. A., Garcia-Burillo, S., van der Werf, P., Neri, R., Spaans, M., Combes, F., Viti, S., Muhle, S., Armus, L., Evans, A., Strum, E., Cernicharo, J., Henkel, C., Greve, T. R., "Probing highly-obscured galaxy nuclei with vibrationally excited HCN" , ASTRONOMY & ASTROPHYSICS: 584, A42, 2015-12 [SCI] (Fulltext)
  6. F. Costagliola, K. Sakamoto, S. Muller, S. Martín, S. Aalto, N. Harada, P. van der Werf, S. Viti, S. Garcia-Burillo, M. Spaans, "Exploring the molecular chemistry and excitation in obscured luminous infrared galaxies: An ALMA mm-wave spectral scan of NGC 4418" , ASTRONOMY & ASTROPHYSICS: 582, A91, 2015-10 [SCI] (Fulltext)
  7. Y. Ohyama, Y. Terashima, K. Sakamoto , "Infrared and X-Ray Evidence of an AGN in the NGC 3256 Southern Nucleus" , ASTROPHYSICAL JOURNAL: 805(2), 162, 20pp, 2015-06 [SCI] (Fulltext)
  8. Barcos-Munoz, Leroy, Evans, Privon, Armus, Condon, Mazzarella, Meier, Momjian, Murphy, Ott, Reichardt, (Sakamoto), Sanders, Schinnerer, Stierwalt, Surace, Thompson, Walter, "High-resolution Radio Continuum Measurements of the Nuclear Disks of Arp 220" , The Astrophysical Journal: 799(1), 10, 2015-01 [SCI] (Fulltext)
  9. (Kazushi Sakamoto), Susanne Aalto, Francoise Combes, Aaron Evans, Alison Peck, "An INFRARED-LUMINOUS MERGER WITH TWO BIPOLAR MOLECULAR OUTFLOWS" , ASTROPHYSICAL JOURNAL: 797, 90, 2014-12 [SCI] (Fulltext)
  10. Costagliola, F., Aalto, S., (Sakamoto, K.), Mart ́ın, S., Beswick, R., Muller, S., Ll”ockner, H.-R., "A high-resolution mm and cm study of the obscured LIRG NGC 4418 — A compact obscured nucleus fed by in-falling gas?" , ASTRONOMY & ASTROPHYSICS: 556, A66, 2013-08 [SCI] (Fulltext)
  11. Sakamoto, K., Aaslto, S., Costagliola, F., Martin, S., Ohyama, Y., Wiedner, M. C., and Wilner, D. J., "Submillimeter Interferometry of the Luminous Infrared Galaxy NGC 4418: A Hidden Hot Nucleus with an Inflow and an Outflow" , ASTROPHYSICAL JOURNAL: 764, 42, 2013-02 [SCI]
  12. Aalto, S., Muller, S., Sakamoto, K., Gallagher, J. S., Martin, S., Costagliola, F., "Winds of change - a molecular outflow in NGC 1377? The anatomy of an extreme FIR-excess galaxy" , ASTRONOMY & ASTROPHYSICS: 546, A68, 2012-10 [SCI] (Fulltext)
  13. Kazushi Sakamoto, Rui-Qing Mao, Satoki Matsushita, Alison B. Peck, Tsuyoshi Sawada, Martina C. Wiedner, "Star-forming Cloud Complexes in the Central Molecular Zone of NGC 253" , ASTROPHYSICAL JOURNAL: 735(1), 19, 2011 [SCI] (Fulltext)
  14. Kazushi Sakamoto, Susanne Aalto, Aaron S. Evans, Martina C. Wiedner, David J. Wilner, " Vibrationally Excited HCN in the Luminous Infrared Galaxy NGC 4418" , ASTROPHYSICAL JOURNAL: 725(2), L228-L233, 2010-12 [SCI] (Fulltext)
  15. Espada D; Peck A; Matsushita S; Sakamoto K; ...; Dinh-V-Trung, "Disentangling the Circumnuclear Environs of Centaurus A: II. On the nature of the broad absorption line" , ASTROPHYSICAL JOURNAL: 720(1), 666-678, 2010-09 [SCI] (Fulltext)
  16. Sakamoto K; Aalto S; Wilner DJ; Black JH; et al., "P Cygni Profiles of Molecular Lines toward Arp 220 Nuclei" , ASTROPHYSICAL JOURNAL: 700(2), L104-L108, 2009-08 [SCI] (Fulltext)
  17. Matsushita S; ...; Chou RCY; ...; Lim J; Muller S; ...; Sakamoto K; Sawada-Satoh S; et al., "SMA CO(J=6-5) and 435 micron interferometric imaging of the nuclear region of Arp 220" , ASTROPHYSICAL JOURNAL: 693(1), 56-68, 2009-03 [SCI] (Fulltext)
  18. Aalto S; ...; Sakamoto K; et al., "High-resolution HNC 3-2 SMA observations of Arp220" , ASTRONOMY AND ASTROPHYSICS: 493(2), 481-487, 2009-01 [SCI] (Fulltext)
  19. Sakamoto K; Wang JZ; Wiedner MC; ...; Ho PTP; et al., "Submillimeter Array Imaging of the CO(3-2) Line and 860 μm Continuum of Arp 220: Tracing the Spatial Distribution of Luminosity" , ASTROPHYSICAL JOURNAL: 684(2), 957-977, 2008-09 [SCI] (Fulltext)
TEL: 886-2-3365-2200 FAX: 886-2-2367-7849
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