Ikki Mitsuhashi (Ph.D.)

ABOUT

I am a Research Associate at the University of Colorado, Boulder, United States. My research interest is galaxy formation and evolution. I'm working to explore how galaxies have formed and evolved with observational data obtained by state-of-art telescopes, for example, ALMA, Subaru, HST, and JWST.

I received a Ph.D. degree at the University of Tokyo under the supervision of Prof. Seiichi Sakamoto and the significant cooperation of the wonderful advisors, Dr. Yuichi Matsuda, Dr. Ken-ichi Tadaki, and Dr. Yuichi Harikane.

Currently I'm working with Dr. Wren Suess.

Sincerely grateful to everyone around me.

RESEARCH

My research interest is galaxy formation and evolution.

hoge

WORKS

Lead-Author Papers

• "The ALMA-CRISTAL survey: Widespread dust-obscured star formation in typical star-forming galaxies at z=4-6"
  Ikki Mitsuhashi Ken-ichi Tadaki, Ryota Ikeda, Rodrigo Herrera-Camus, Manuel Aravena, Ilse De Looze, Natascha M. Förster Schreiber, Jorge González-López, Justin Spilker, Roberto J. Assef, Rychard Bouwens, Loreto Barcos-Munoz, Jack Birkin, Rebecca A. A. Bowler, Gabriela Calistro Rivera, Rebecca Davies, Elisabete Da Cunha, Tanio Díaz-Santos, Andrea Ferrara, Deanne Fisher, Lilian L. Lee, Juno Li, Dieter Lutz, Monica Relaño, Thorsten Naab, Marco Palla, Ana Posses, Manuel Solimano, Linda Tacconi, Hannah Übler, Stefan van der Giessen, and Sylvain Veilleux
• "SERENADE II: An ALMA Multi-Band Dust-Continuum Analysis of 28 Galaxies at 5<z<8 and the Physical Origin of the Dust Temperature Evolution"
  Ikki Mitsuhashi Yuichi Harikane, Franz E. Bauer, Tom Bakx, Andrea Ferrara, Seiji Fujimoto, Takuya Hashimoto, Akio K. Inoue, Kazushi Iwasawa, Yuri Nishimura, Masatoshi Imanishi, Yoshiaki Ono, Toshiki Saito, Yuma Sugahara, Hideki Umehata, Livia Vallini, Tao Wang and Jorge Zavala
• "FIR-luminous [CII] Emitters in the ALMA-SCUBA-2 COSMOS Survey (AS2COSMOS): The Nature of Submillimeter Galaxies in a 10 Comoving Megaparsec-scale Structure at z~4.6"
  Ikki Mitsuhashi Yuichi Matsuda, Ian Smail, Natsuki Hayatsu, James Simpson, Mark Swinbank, Hideki Umehata, Dudzeviciute Ugne, Jack Birkin, Soh Ikarashi, Chian-Chou Chen, Ken-ichi Tadaki, Hidemobu Yajima, Yuichi Harikane, Hanae Inami, Scott Chapman, Bunyo Hatsukade, Daisuke Iono, Andrew Bunker, Yiping Ao, Tomoki Saito, Junko Ueda, and Seiichi Sakamoto

Co-Author Papers (accepted)

• "ALMA Detection of [O III] 88 μm at z = 12.33: Exploring the Nature and Evolution of GHZ2 as a Massive Compact Stellar System"
  Jorge A. Zavala, Tom J. L. C. Bakx, Ikki Mitsuhashi, Antonello Calabro, Marco Castellano, Hollis B. Akins, Veronique Buat, Caitlin M. Casey, David Fernandez-Arenas, Maximilien Franco, Adriano Fontana, Bunyo Hatsukade, Luis C. Ho, Ryota Ikeda, Jeyhan S. Kartaltepe, Anton M. Koekemoer, Jed McKinney, Lorenzo Napolitano, Pablo G. Perez-Gonzalez, Paola Santini, Stephen Serjeant, Roberto Terlevich and Aaron L. Y. Yung
• "The ALMA-CRISTAL Survey: Spatially Resolved Star Formation Activity and Dust Content in 4<z<6 Star-forming Galaxies" Juno Li, Elisabete Da Cunha, Jorge González-López, Manuel Aravena, Ilse De Looze, Natascha M. Förster Schreiber, Rodrigo Herrera-Camus, Justin Spilker, Ken-ichi Tadaki, Loreto Barcos-Munoz, Andrew J. Battisti, Jack Birkin, Rebecca Davies, Rebecca A. A. Bowler, Tanio Díaz-Santos, Andrea Ferrara, Deanne B. Fisher, Hodge Jacqueline, Ryota Ikeda, Meghana Killi, Lilian L. Lee, Daizhong Liu, Ikki Mitsuhashi, Thorsten Naab, Ana Posses, Manuel Solimano, Hannah Übler, Stefan van der Giessen and Vicente Villanueva
• "Evidence of Extreme Ionization Conditions and Low Metallicity in GHZ2/GLASS-Z12 from a Combined Analysis of NIRSpec and MIRI Observations"
  Antonello Calabrò, Marco Castellano, Jorge A. Zavala, Laura Pentericci, Pablo Arrabal Haro, Tom J. L. C. Bakx, Denis Burgarella, Caitlin M. Casey, Mark Dickinson, Steven L. Finkelstein, Adriano Fontana, Mario Llerena, Sara Mascia, Emiliano Merlin, Ikki Mitsuhashi, Lorenzo Napolitano, Diego Paris, Pablo G. Pérez-González, Guido Roberts-Borsani, Paola Santini, Tommaso Treu, and Eros Vanzella
• "The ALMA-CRISTAL survey: Dust temperature and physical conditions of the interstellar medium in a typical galaxy at z = 5.66"
  Vicente Villanueva, Rodrigo Herrera-Camus, Jorge González-López, Mauel Aravena, Roberto J. Assef, M. Baeza-Garay, Loreto Barcos-Muñoz, Stefano Bovino, Rebecca A. A. Bowler, Elisabate da Cunha, Ilse De Looze, Tanio Diaz-Santos, Andrea Ferrara,Natascha M. Förster Schreiber, Hiddo S. B. Algera, Ryota Ikeda, Meghana Killi, Ikki Mitsuhashi, Thorsten Naab, Monica Relano, Justin Spilker, Manuel Solimano, Marco Palla, Sedona H. Price, Ana Posses, Ken-ichi Tadaki, Kseniia Telikova, and Hannah Übler
• "A luminous and young galaxy at z = 12.33 revealed by a JWST/MIRI detection of Hα and [O III]"
  Jorge A. Zavala, Marco Castellano, Hollis B. Akins, Tom J. L. C. Bakx, Denis Burgarella, Caitlin M. Casey, Chavez A. Ortiz, Mark Dickinson, Steven L. Finkelstein, Ikki Mitsuhashi, Kimihiko Nakajima, Pablo G. Perez-Gonzalez, Pablo Arrabal Haro, Pietro Bergamini, Veronique Buat, Bren Backhaus, Antonello Calabro, Nikko J. Cleri, David Fernandez-Arenas, Adriano Fontana, Maximilien Franco, Claudio Grillo, Mauro Giavalisco, Norman A. Grogin, Nimish Hathi, Michaela Hirschmann, Ryota Ikeda, Intae Jung, Jeyhan S. Kartaltepe, Anton M. Koekemoer, Rebecca L. Larson, Jed McKinney, Casey Papovich, Piero Rosati, Toshiki Saito, Paola Santini, Roberto Terlevich, Elena Terlevich, Tommaso Treu, and Aaron L. Y. Yung
• "A novel high-z submm galaxy efficient line survey in ALMA bands 3 through 8 - an ANGELS pilot"
  Tom J. L. C. Bakx, Aristeidis Amvrosiadis, Gorge J. Bendo, Hiddo S. B. Algera, Stefan Serjeant, Laura Bonavera, Enrico Borsato, Xiaoyang Chen, Pierre Cox, Joaquin González-Nuevo, Masato Hagimoto, Kevin C. Harrington, Rob J. Ivison, Patrick Kamieneski, Lucia Marchetti, Dominic A. Riechers, Takafumi Tsukui, Paul P. van der Werf, Chentao Yang, Jorge A. Zavala, Paola Andreani, Stefano Berta, Asantha R. Cooray, Gianfranco De Zotti, Stephen Eales, Ryota Ikeda, Kirsten K. Knudsen, Ikki Mitsuhashi, Mattia Negrello, Roberto Neri, Alain Omont, Douglas Scott, Yoichi Tamura, Pasquale Temi, and Sheona A. Urquhart
• "Spatial Extent of Molecular Gas, Dust, and Stars in Massive Galaxies at z=2.2-2.5 Determined with ALMA and JWST"
  Manuel Solimano, Jorge González-López, Manuel Aravena, Rodrigo Herrera-Camus,Ilse De Looze, Natascha M. Förster Schreiber, Justin Spilker, Ken-ichi Tadaki, Roberto Assef, Loreto Barcos-Muñoz, Rebecca L. Davies, Tanio Díaz-Santos, Andrea Ferrara, Deanne B. Fisher, Lucia Guaita, Ryota Ikeda, Evelyn J. Johnston, Dieter Lutz, Ikki Mitsuhashi, Cristóbal Moya-Sierralta, Monica Relaño, Thorsten Naab, Ana C. Posses, Kseniia Telikova, Hannah Übler, Stefan van der Giessen, Sylvain Veilleux, and Vicente Villanueva
• "Spatial Extent of Molecular Gas, Dust, and Stars in Massive Galaxies at z=2.2-2.5 Determined with ALMA and JWST"
  Ken-ichi Tadaki, Tadayuki Kodama, Yusei Koyama, Tomoko L. Suzuki, Ikki Mitsuhashi and Ryota Ikeda
• "Deep ALMA redshift search of a z~12 GLASS-JWST galaxy candidate"
  Tom Bakx, Jorge Zavala, Ikki Mitsuhashi, Tommaso Treu, Adriano Fontana, Ken-ichi Tadaki, Catlin M. Casey, Marco Castellano, Karl Glazebrook, Masato Hagimoto, Ryota Ikeda, Tucker Jones, Nicha Leethochawalit, Charlotte Mason, Takahiro Morishita, Themiya Nanayakkara, Laura Pentericci, Guido Roberts-Borsani, Paola Santini, Stephen Serjeant, Yoichi Tamura, Michele Trenti, and Eros Vanzella
• "Estimating the statistical uncertainty due to spatially correlated noise in interferometric images"
  Takafumi Tsukui, Satoru Iguchi, Ikki Mitsuhashi, and Ken-ichi Tadaki
• "Mapping Obscuration to Reionization with ALMA (MORA): 2 mm Efficiently Selects the Highest-redshift Obscured Galaxies"
  Caitlin Casey, Jorge Zavala, Sinclaire Manning, Manuel Aravena, Matthieu Béthermin, Karina Caputi, Jaclyn Champagne, David Clements, Patrick Drew, Steven Finkelstein, Seiji Fujimoto, Christopher Hayward, Anton Dekel, Vasily Kokorev, Claudia del Lagos, Arianna Long, Georgios Magdis, Allison Man, Ikki Mitsuhashi, Gergo Popping, Justin Spilker, Johannes Staguhn, Margherita Talia, Sune Toft, Ezequiel Treister, John R. Weaver, and Min Yun
• "An ALMA survey of the brightest sub-millimeter sources in the SCUBA-2-COSMOS field"
  James Simpson, Ian Smail, Dudzeviciute Ugne, Yuichi Matsuda, Bau-Ching Hsieh, Wei-Hao Wang, Mark Swinbank, Stuart Stach, Fang Xia An, Jack Birkin, Yiping Ao, Andrew Bunker, Scott Chapman, Chian-Chou Chen, Kristen Coppin, Soh Ikarashi, Rob Ivison, Ikki Mitsuhashi, Tomoki Saito, Hideki Umehata, Ran Wang and Yinghe Zhao

CV

education

• B.S. Department of Astronomy, Tohoku University, 2019
• M.A. Department of Astronomy, University of Tokyo, 2021
• Ph.D. Department of Astronomy, University of Tokyo, 2024

presentaion

• Resolving the Extragalactic Universe with ALMA & JWST (Oral)
• 9th Galaxy Evolution Workshop (Oral)
• East-Asia ALMA science workshop 2023 (Oral)
• IAU symposium 377: Early Disk-Galaxy Formation from JWST to the Milky Way (Poster), Malaysia, 2023.02
• The blind search for hidden galaxies in an abundant line of sight (Oral)
• East-Asia ALMA science workshop 2019 (Oral)

visit

• Cahill Center for Astronomy and Astrophysics (Caltech) 2023.07
• The University of Texas at Austin 2023.07
• The Universidad Diego Portales, Santiago 2022.07
• Durham University 2020.02

CONTACT

[Email] ikki0913astr[at]gmail.com

[Address] Duane Physics Bldg. Boulder, CO 80309, US

Elements

i = 0;

while (!deck.isInOrder()) {
    print 'Iteration ' + i;
    deck.shuffle();
    i++;
}

print 'It took ' + i + ' iterations to sort the deck.';