Mathematics, Physics

Researcher List >> Hanae Inami

Hanae Inami

NameHanae Inami
AffiliationHiroshima University
SectionHiroshima Astorophysical Science Center
Job titleAssistant Professor
DegreePh.D.(The Graduate University for Advanced Studies)

Research Interests

galaxy evolution , galaxy formation , infrared astronomy , astronomy

Research Areas

  • Astronomy / Astronomy / Galaxy formation and evolution

Academic & Professional Experience

Feb 2019
Assistant Professor, Hiroshima Astrophysical Science Center, Hiroshima University, Japan
Jul 2015
Dec 2018
Postdoctoral Research Fellow, Centre de Recherche Astrophysique de Lyon, Centre National de la Recherche Scientifique (CNRS), France
May 2012
Jul 2015
Postdoctoral Research Associate, National Optical Astronomy Observatory, USA
Apr 2009
Mar 2012
Visiting graduate student (JSPS DC1 fellow), Spitzer Science Center, California Institute of Technology, USA
Aug 2008
Feb 2009
Spitzer Visiting Graduate Student Fellow, Spitzer Science Center, California Institute of Technology, USA

Committee Memberships

European Space Agency (ESA)  SPICA Science Study Team
ISAS/JAXA  SPICA Science Working Group
Thirty Meter Telescope  International Science Development Team

Published Papers

Monthly Notices of the Royal Astronomical Society      Apr 2019   [Refereed]
We study the physical properties of the ionized gas in local discs using the sample of 38 nearby ̃10<SUP>8.5-11.2</SUP> M<SUB>☉</SUB> Star-Forming Main-Sequence (SFMS) galaxies observed so far as part of the MUSE Atlas of Disks (MAD). Specifically...
Monthly Notices of the Royal Astronomical Society      Mar 2019   [Refereed]
By using a set of different star formation rate (SFR) indicators, including Wide-field Infrared Survey Explorer (WISE) mid-infrared and H α emission, we study the slope of the main sequence (MS) of local star-forming galaxies at stellar masses lar...
arXiv e-prints      Mar 2019   [Refereed]
We discuss the nature and physical properties of gas-mass selected galaxies in the ALMA spectroscopic survey (ASPECS) of the Hubble Ultra Deep Field (HUDF). We capitalize on the deep optical integral-field spectroscopy from the MUSE HUDF Survey an...
arXiv e-prints      Mar 2019   [Refereed]
We use the results from the ALMA large program ASPECS, the spectroscopic survey in the Hubble Ultra Deep Field (HUDF), to constrain CO luminosity functions of galaxies and the resulting redshift evolution of Tex(HTex). The broad frequency rang...
arXiv e-prints      Mar 2019   [Refereed]
We analyze the interstellar medium properties of a sample of sixteen bright CO line emitting galaxies identified in the ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (ASPECS) Large Program. This COTexselected galaxy sample is complement...
arXiv e-prints      Mar 2019   [Refereed]
The ALMA SPECtroscopic Survey in the {\it Hubble} Ultra Deep Field is an ALMA large program that obtained a frequency scan in the 3\,mm band to detect emission lines from the molecular gas in distant galaxies. We here present our search strategy f...
arXiv e-prints      Mar 2019   [Refereed]
One of the last missing pieces in the puzzle of galaxy formation and evolution through cosmic history is a detailed picture of the role of the cold gas supply in the star-formation process. Cold gas is the fuel for star formation, and thus regulat...
The Astrophysical Journal      Jan 2019   [Refereed]
The role of feedback in triggering or quenching star formation and hence driving galaxy evolution can be directly studied with high-resolution integral field observations. The manifestation of feedback in shocks is particularly important to examin...
The Astrophysical Journal      Jan 2019   [Refereed]
We present a detailed census of galaxies in and around PC 217.96+32.3, a spectroscopically confirmed Coma analog at z = 3.78. Diverse galaxy types identified in the field include Lyα emitters (LAEs), massive star-forming galaxies, and ultramassive...
American Astronomical Society Meeting Abstracts #233      Jan 2019   [Refereed]
With the imminent launch of the JWST, the field of thermal-infrared (TIR) astronomy will enjoy a revolution. It is easy to imagine that all areas of infrared (IR) astronomy will be greatly advanced, but perhaps impossible to conceive of the new vi...
The Astronomical Journal      Dec 2018   [Refereed]
Mid-infrared molecular hydrogen (H<SUB>2</SUB>) emission is a powerful cooling agent in galaxy mergers and in radio galaxies; it is a potential key tracer of gas evolution and energy dissipation associated with mergers, star formation, and accreti...
Astronomy and Astrophysics      Dec 2018   [Refereed]
<BR /> Aims: We present a 69 arcmin<SUP>2</SUP> ALMA survey at 1.1 mm, GOODS-ALMA, matching the deepest HST-WFC3 H-band part of the GOODS-South field. <BR /> Methods: We tapered the 0″24 original image with a homogeneous and circular synthesized b...
Astronomy and Astrophysics      Dec 2018   [Refereed]
We analyze Chandra X-ray observatory data for a sample of 63 luminous infrared galaxies (LIRGs), sampling the lower-infrared luminosity range of the Great Observatories All-Sky LIRG survey (GOALS), which includes the most luminous infrared selecte...
Science      Nov 2018   [Refereed]
Galaxy mergers and gas accretion from the cosmic web drove the growth of galaxies and their central black holes at early epochs. We report spectroscopic imaging of a multiple merger event in the most luminous known galaxy, WISE J224607.56-052634.9...
Nature      Nov 2018   [Refereed]
Change history: In this Letter, author M. Akhlaghi should be associated with affiliation (2) rather than (3). This error has been corrected online....
arXiv e-prints      Nov 2018   [Refereed]
The role of feedback in triggering or quenching star formation and hence driving galaxy evolution can be directly studied with high resolution integral field observations. The manifestation of feedback in shocks is particularly important to examin...
Astronomy and Astrophysics      Nov 2018   [Refereed]
Star-forming galaxies have been found to follow a relatively tight relation between stellar mass (M<SUB>*</SUB>) and star formation rate (SFR), dubbed the "star formation sequence". A turnover in the sequence has been observed, where galaxies with...
The Astrophysical Journal      Oct 2018   [Refereed]
We present high-resolution (0.″17 × 0.″14) Atacama Large Millimeter/submillimeter Array (ALMA) observations of the CO (6-5) line and 435 μm dust continuum emission within a ̃9″ × 9″ area centered on the nucleus of the galaxy NGC 5135. NGC 5135 is ...
Astronomy and Astrophysics      Oct 2018   [Refereed]
Context. Deep mid-infrared (MIR) surveys have revealed numerous strongly star-forming galaxies at redshift z ≲ 2. Their MIR fluxes are produced by a combination of continuum and polycyclic aromatic hydrocarbon (PAH) emission features. The PAH feat...
VizieR Online Data Catalog      Oct 2018   [Refereed]
Our imaging data sets come from several surveys. MIPS 24um data come from the GOODS-Spitzer program (PI: M. Dickinson). We use coadded PACS images (Magnelli+ 2013A&amp;A...553A.132M) combining data from PEP (PI: D. Lutz) and GOODS-Herschel (PI: D....
Nature      Oct 2018   [Refereed]
Galaxies are surrounded by large reservoirs of gas, mostly hydrogen, that are fed by inflows from the intergalactic medium and by outflows from galactic winds. Absorption-line measurements along the lines of sight to bright and rare background qua...
Astronomy and Astrophysics      Oct 2018   [Refereed]
We present a study of the [O III]/[O II] ratios of star-forming galaxies drawn from Multi-Unit Spectroscopic Explorer (MUSE) data spanning a redshift range 0.28 &lt; z &lt; 0.85. Recently discovered Lyman continuum (LyC) emitters have extremely hi...
H. Inami, L. Armus, H. Matsuhara, V. Charmandaris, T. D{\'{\i}}az-Santos, J. Surace, S. Stierwalt, Y. Ohyama, J. Howell, J. Marshall, A. S. Evans, S. T. Linden, J. Mazzarella
Astronomy & Astrophysics   617 A130   Sep 2018   [Refereed]
We present AKARI 2.5-5 μm spectra of 145 local luminous infrared galaxies (LIRG; L<SUB>IR</SUB> ≥ 10<SUP>11</SUP> L<SUB>☉</SUB>) in the Great Observatories All-sky LIRG Survey (GOALS). In all of the spectra, we measure the line fluxes and equivale...
Michael V. Maseda, Roland Bacon, Marijn Franx, Jarle Brinchmann, Joop Schaye, Leindert A. Boogaard, Nicolas Bouch{\'{e}}, Rychard J. Bouwens, Sebastiano Cantalupo, Thierry Contini, Takuya Hashimoto, Hanae Inami, Raffaella A. Marino, Sowgat Muzahid, Themiya Nanayakkara, Johan Richard, Kasper B. Schmidt, Anne Verhamme, Lutz Wisotzki
The Astrophysical Journal   865(1) L1   Sep 2018   [Refereed]
Using an ultra-deep blind survey with the MUSE integral field spectrograph on the European Southern Observatory Very Large Telescope, we obtain spectroscopic redshifts to a depth never before explored: galaxies with observed magnitudes m <SUB>AB</...
Anna Feltre, Roland Bacon, Laurence Tresse, Hayley Finley, David Carton, J{\'{e}}r{\'{e}}my Blaizot, Nicolas Bouch{\'{e}}, Thibault Garel, Hanae Inami, Leindert A. Boogaard, Jarle Brinchmann, St{\'{e}}phane Charlot, Jacopo Chevallard, Thierry Contini, Leo Michel-Dansac, Guillaume Mahler, Raffaella A. Marino, Michael V. Maseda, Johan Richard, Kasper B. Schmidt, Anne Verhamme
Astronomy & Astrophysics   617 A62   Sep 2018   [Refereed]
The physical origin of the near-ultraviolet Mg II emission remains an underexplored domain, unlike more typical emission lines that are detected in the spectra of star-forming galaxies. We explore the nebular and physical properties of a sample of...
VizieR Online Data Catalog      Jul 2018   [Refereed]
We present the table of line flux and equivalent width (EQW) of 3.3um polycyclic aromatic hydrocarbon (PAH) and Brackett-alpha, and the continuum color of Fnu(4.3um)/Fnu(2.8um) measured in 145 AKARI spectra using the 4.4-arcsecond radius aperture ...
Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series      Jul 2018   [Refereed]
With the imminent launch of the JWST, the field of thermal-infrared (TIR) astronomy will enjoy a revolution. It is easy to imagine that all areas of infrared (IR) astronomy will be greatly advanced, but perhaps impossible to conceive of the new vi...
Monthly Notices of the Royal Astronomical Society      Jul 2018   [Refereed]
The Lyman alpha (Ly α) line of Hydrogen is a prominent feature in the spectra of star-forming galaxies, usually redshifted by a few hundreds of km s<SUP>-1</SUP> compared to the systemic redshift. This large offset hampers follow-up surveys, galax...
Kyoung-Soo Lee, Arjun Dey, Thomas Matheson, Ke Shi, Chao-Ling Hung, Rui Xue, Hanae Inami, Yun Huang, Khee-Gan Lee, Matthew L. N. Ashby, Buell Jannuzi, Naveen Reddy, Sungryong Hong, Wenli Mo, Nicola Malavasi
The Astrophysical Journal   862(1) 24   Jul 2018   [Refereed]
We report the discovery and spectroscopic confirmation of a very large star-forming galaxy, G6025, at {z}<SUB>spec</SUB>} =3.721+/- 0.003. In the rest frame ≈2100 Å, G6025 subtends ≈24 kpc in physical extent when measured from the 1.5σ isophote, i...
Raffaella Anna Marino, Sebastiano Cantalupo, Simon J. Lilly, Sofia G. Gallego, Lorrie A. Straka, Elena Borisova, Gabriele Pezzulli, Roland Bacon, Jarle Brinchmann, C. Marcella Carollo, Joseph Caruana, Simon Conseil, Thierry Contini, Catrina Diener, Hayley Finley, Hanae Inami, Floriane Leclercq, Sowgat Muzahid, Johan Richard, Joop Schaye, Martin Wendt, Lutz Wisotzki
The Astrophysical Journal   859(1) 53   May 2018   [Refereed]
Recent theoretical models suggest that the early phase of galaxy formation could involve an epoch when galaxies are gas rich but inefficient at forming stars: a “dark galaxy” phase. Here, we report the results of our Multi-Unit Spectroscopic Explo...
VizieR Online Data Catalog      Apr 2018   [Refereed]
We have obtained FIR spectroscopic observations for 200 luminous infrared galaxies (LIRG) systems from the Great Observatories All-Sky LIRG Survey (GOALS; Armus+ 2009PASP..121..559A) using the Integral Field Spectrometer (IFS) of the PACS instrume...
The Cosmic Wheel and the Legacy of the AKARI Archive: From Galaxies and Stars to Planets and Life      Mar 2018   [Refereed]
We aim to study star-forming galaxies by using a blind spectroscopic survey at mid-infrared (MIR) wavelengths to understand evolution of their star formation rate (SFR) and specific SFR (SFR per stellar mass) up to z in the order of 0.5, by paying...
The Cosmic Wheel and the Legacy of the AKARI Archive: From Galaxies and Stars to Planets and Life      Mar 2018   [Refereed]
Star formation rate (SFR) is important to quantify for galaxies because it provides a method for reconstructing the cosmic history of star formation in the universe. H is frequently utilized in SFR studies, however, this hydrogen recombination lin...
The Cosmic Wheel and the Legacy of the AKARI Archive: From Galaxies and Stars to Planets and Life      Mar 2018   [Refereed]
We have combined AKARI 2.5-5 micrometers and Spitzer 5.2-38 micrometers spectra of 145 local luminous infrared galaxies (LIRGs) drawn from the Great Observatories All-sky LIRG Survey (GOALS). The equivalent widths (EQWs) of the polycyclic aromatic...
Daizhong Liu, Emanuele Daddi, Mark Dickinson, Frazer Owen, Maurilio Pannella, Mark Sargent, Matthieu B{\'{e}}thermin, Georgios Magdis, Yu Gao, Xinwen Shu, Tao Wang, Shuowen Jin, Hanae Inami
The Astrophysical Journal   853(2) 172   Feb 2018   [Refereed]
We present a new technique to measure multi-wavelength “super-deblended” photometry from highly confused images, which we apply to Herschel and ground-based far-infrared (FIR) and (sub-)millimeter (mm) data in the northern field of the Great Obser...
Sofia G Gallego, Sebastiano Cantalupo, Simon Lilly, Raffaella Anna Marino, Gabriele Pezzulli, Joop Schaye, Lutz Wisotzki, Roland Bacon, Hanae Inami, Mohammad Akhlaghi, Sandro Tacchella, Johan Richard, Nicolas F Bouche, Matthias Steinmetz, Marcella Carollo
Monthly Notices of the Royal Astronomical Society   475(3) 3854   Jan 2018   [Refereed]
Cosmological simulations suggest that most of the matter in the Universe is distributed along filaments connecting galaxies. Illuminated by the cosmic UV background (UVB), these structures are expected to glow in fluorescent Ly α emission with a s...
Monthly Notices of the Royal Astronomical Society      Jan 2018   [Refereed]
We present an analysis of Multi Unit Spectroscopic Explorer (MUSE) observations obtained on the massive Frontier Fields (FFs) cluster A2744. This new data set covers the entire multiply imaged region around the cluster core. The combined catalogue...
Floriane Leclercq, Roland Bacon, Lutz Wisotzki, Peter Mitchell, Thibault Garel, Anne Verhamme, J{\'{e}}r{\'{e}}my Blaizot, Takuya Hashimoto, Edmund Christian Herenz, Simon Conseil, Sebastiano Cantalupo, Hanae Inami, Thierry Contini, Johan Richard, Michael Maseda, Joop Schaye, Raffaella Anna Marino, Mohammad Akhlaghi, Jarle Brinchmann, Marcella Carollo
Astronomy & Astrophysics   608 A8   Nov 2017   [Refereed]
We report the detection of extended Lyα haloes around 145 individual star-forming galaxies at redshifts 3 ≤ z ≤ 6 in the Hubble Ultra Deep Field observed with the Multi-Unit Spectroscopic Explorer (MUSE) at ESO-VLT. Our sample consists of continuu...
JWST Proposal ID 1328. Cycle 0 Early Release Scienc      Nov 2017   [Refereed]
Galaxies evolve through a combination of secular processes, such as cold gas accretion, and nonsecular processes, such as galactic mergers, which can trigger massive starbursts and powerful AGN. JWST will transform our understanding of galactic ev...
Roland Bacon, Simon Conseil, David Mary, Jarle Brinchmann, Martin Shepherd, Mohammad Akhlaghi, Peter M. Weilbacher, Laure Piqueras, Lutz Wisotzki, David Lagattuta, Benoit Epinat, Adrien Guerou, Hanae Inami, Sebastiano Cantalupo, Jean Baptiste Courbot, Thierry Contini, Johan Richard, Michael Maseda, Rychard Bouwens, Nicolas Bouch{\'{e}}, Wolfram Kollatschny, Joop Schaye, Raffaella Anna Marino, Roser Pello, Christian Herenz, Bruno Guiderdoni, Marcella Carollo
Astronomy & Astrophysics   608 A1   Nov 2017   [Refereed]
We present the MUSE Hubble Ultra Deep Survey, a mosaic of nine MUSE fields covering 90% of the entire HUDF region with a 10-h deep exposure time, plus a deeper 31-h exposure in a single 1.15 arcmin<SUP>2</SUP> field. The improved observing strateg...
Astronomy and Astrophysics      Nov 2017   [Refereed]
We have conducted a two-layered spectroscopic survey (1' × 1' ultra deep and 3' × 3' deep regions) in the Hubble Ultra Deep Field (HUDF) with the Multi Unit Spectroscopic Explorer (MUSE). The combination of a large field of view, high sensitivity,...
Astronomy and Astrophysics      Nov 2017   [Refereed]
We tested the performance of photometric redshifts for galaxies in the Hubble Ultra Deep field down to 30th magnitude. We compared photometric redshift estimates from three spectral fitting codes from the literature (EAZY, BPZ and BEAGLE) to high ...
Astronomy and Astrophysics      Nov 2017   [Refereed]
The C III] λλ1907, 1909 emission doublet has been proposed as an alternative to Lyman-α in redshift confirmations of galaxies at z ≳ 6 since it is not attenuated by the largely neutral intergalactic medium at these redshifts and is believed to be ...
Astronomy and Astrophysics      Nov 2017   [Refereed]
We provide, for the first time, robust observational constraints on the galaxy major merger fraction up to z ≈ 6 using spectroscopic close pair counts. Deep Multi Unit Spectroscopic Explorer (MUSE) observations in the Hubble Ultra Deep Field (HUDF...
Astronomy and Astrophysics      Nov 2017   [Refereed]
We present the deepest study to date of the Lyα luminosity function in a blank field using blind integral field spectroscopy from MUSE. We constructed a sample of 604 Lyα emitters (LAEs) across the redshift range 2.91 &lt; z &lt; 6.64 using automa...
Astronomy and Astrophysics      Nov 2017   [Refereed]
We present rest-frame Lyα equivalent widths (EW<SUB>0</SUB>) of 417 Lyα emitters (LAEs) detected with Multi Unit Spectroscopic Explorer (MUSE) on the Very Large Telescope (VLT) at 2.9 &lt;z&lt; 6.6 in the Hubble Ultra Deep Field. Based on the deep...
VizieR Online Data Catalog      Nov 2017   [Refereed]
Fitted parameters, measurements and general properties of the 145 Lyman-alpha emitters surrounded by a halo in the MUSE UDF data. (1 data file)....
The Astrophysical Journal      Sep 2017   [Refereed]
We present an analysis of [O I]<SUB>63</SUB>, [O III]<SUB>88</SUB>, [N II]<SUB>122</SUB>, and [C II]<SUB>158</SUB> far-infrared (FIR) fine-structure line observations obtained with Herschel/PACS, for ̃240 local luminous infrared galaxies (LIRGs) i...
VizieR Online Data Catalog      Aug 2017   [Refereed]
Spectroscopic redshift measurements of the MUSE Hubble Ultra Deep Field Survey. File udf10. fit and mosaic.fit contain MUSE spectroscopic redshifts in the ultra-deep and deep fields, respectively. File combined.fit are the combined catalog of udf1...
Takuji Yamashita, Shinya Komugi, Hideo Matsuhara, Lee Armus, Hanae Inami, Junko Ueda, Daisuke Iono, Kotaro Kohno, Aaron S. Evans, Ko Arimatsu
The Astrophysical Journal   844(2) 96   Jul 2017   [Refereed]
We present an initial result from the <SUP>12</SUP>CO (J = 1-0) survey of 79 galaxies in 62 local luminous and ultraluminous infrared galaxy (LIRG and ULIRG) systems obtained using the 45 m telescope at the Nobeyama Radio Observatory. This is a sy...


Thirty Meter Telescope Instrumentation White Paper (MICHI)
Thirty Meter Telescope Detailed Science Case
Hanae Inami

Conference Activities & Talks

Infrared Spectra to Reveal Dust Galaxies in the Local and Distant Universe
Hanae Inami
SPICA Science Conference   May 2019   
The AKARI Spectra of Luminous Infrared Galaxies in the Local Universe
Hanae Inami
AKARI International Conference   Oct 2017   
Redshift Analysis in the MUSE Ultra Deep Field
Hanae Inami
European Week of Astronomy and Space Science   Jul 2016   
Evolution of Dust Obscured Star Formation
Hanae Inami
American Astronomical Society Meeting   Jan 2015   
Luminous Infrared Galaxies Observed from the Ground and Space in the 2020s
Hanae Inami
TMT Science Forum   Jul 2014   

Association Memberships

American Astronomical Society , The Astronomical Society of Japan

Research Grants & Projects

Startup Grant
Ministry of Education, Culture, Sports, Science and Technology: Program for Developing Next Generation Researchers, Building of Consortia for the Development of Human Resources in Science and Technology
Project Year: 2018       Investigator(s): Hanae Inami
Japan Society for the Promotion of Science: Leading Initiative for Excellent Young Researchers (declined)
Project Year: 2018       Investigator(s): Hanae Inami
Japan Society for the Promotion of Science: Postdoctoral Fellowship for Research Abroad (declined)
Project Year: 2015   
Japan Society for the Promotion of Science: Research Fellowship for Yong Scientists (DC1)
Project Year: Apr 2009 - Mar 2012    Investigator(s): Hanae Inami
Japan Society for the Promotion of Science: Research Fellowship of Excellent Young Researcher Overseas Visit Program
Project Year: Jun 2010 - Jun 2011    Investigator(s): Hanae Inami