Search Results - "EGUSA, Fumi"
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Statistical Study of the Star Formation Efficiency in Bars: Is Star Formation Suppressed in Gas-rich Bars?
Published in The Astrophysical journal (01-01-2023)“…Abstract The dependence of the star formation efficiency (SFE) on galactic structures—especially whether the SFE in the bar region is lower than those in other…”
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The CO-to-H2 Conversion Factor in the Barred Spiral Galaxy M83
Published in The Astrophysical journal (01-06-2024)“…We analyze the CO-to-H2 conversion factor (αCO) in the nearby barred spiral galaxy M83. We present new H i observations from the VLA and single-dish GBT in the…”
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The Nuclear Region of NGC 1365: Star Formation, Negative Feedback, and Outflow Structure
Published in The Astrophysical journal (01-06-2021)“…Abstract High-resolution observations of ionized and molecular gas in the nuclear regions of galaxies are indispensable for delineating the interplay of star…”
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CO Excitation and its Connection to Star Formation at 200 pc in NGC 1365
Published in The Astrophysical journal (01-08-2022)“…Abstract We report high-resolution (2″ ∼ 200 pc) mappings of the central region of the nearby barred spiral galaxy NGC 1365 in the CO(1–0) and CO(2–1) emission…”
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Instability analysis for spiral arms of local galaxies: M51, NGC 3627, and NGC 628
Published in Monthly notices of the Royal Astronomical Society (01-09-2021)“…ABSTRACT We investigate dynamical states of grand-design spiral arms in three local galaxies: M51, NGC 3627, and NGC 628. Based on linear perturbation analysis…”
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ALMA Reveals Spatially Resolved Properties of Molecular Gas in the Host Galaxy of FRB 20191001A at z = 0.2340
Published in The Astrophysical journal (01-07-2024)“…Abstract We report the detection of the CO(2–1) emission line with a spatial resolution of 0.″9 (3.5 kpc) from the host galaxy of the fast radio burst (FRB),…”
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CO(2–1)/CO(1–0) Line Ratio on a ∼100 Parsec Scale in the Nearby Barred Galaxy NGC 1300
Published in The Astrophysical journal (01-02-2022)“…Abstract CO(2–1) emission is often used as a tracer of giant molecular clouds (GMCs) as an alternative to CO(1–0) emission in recent years. Therefore,…”
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Molecular Gas Properties in M83 from CO PDFs
Published in The Astrophysical journal (20-02-2018)“…We have obtained 12CO(1-0) data of the nearby barred spiral galaxy M83 from Atacama Large Millimeter/submillimeter Array and Nobeyama 45 m observations. By…”
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Ongoing and Fossil Large-scale Outflows Detected in a High-redshift Radio Galaxy: [C ii] Observations of TN J0924-2201 at z = 5.174
Published in The Astrophysical journal (01-09-2024)“…Abstract We present Atacama Large Millimeter/submillimeter Array observations of the [C ii ] 158 μ m line and the underlying continuum emission of TN…”
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RESOLVED GIANT MOLECULAR CLOUDS IN NEARBY SPIRAL GALAXIES: INSIGHTS FROM THE CANON CO (1-0) SURVEY
Published in The Astrophysical journal (01-08-2013)“…We resolve 182 individual giant molecular clouds (GMCs) larger than 2.5 x 10 super(5) M sub([middot in circle]) in the inner disks of 5 large nearby spiral…”
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Massive Molecular Gas Companions Uncovered by Very Large Array CO(1–0) Observations of the z = 5.2 Radio Galaxy TN J0924−2201
Published in The Astrophysical journal (01-02-2023)“…Abstract We present Karl G. Jansky Very Large Array K -band (19 GHz) observations of the redshifted CO(1–0) line emission toward the radio galaxy TN J0924−2201…”
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Diverse Molecular Structures across the Whole Star-forming Disk of M83: High-fidelity Imaging at 40 pc Resolution
Published in The Astrophysical journal (01-06-2023)“…Abstract We present Atacama Large Millimeter/submillimeter Array (ALMA) imaging of molecular gas across the full star-forming disk of the barred spiral galaxy…”
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Detection of CO(1−0) Emission at the Tips of the Tidal Tail in the Antennae Galaxies
Published in The Astrophysical journal (01-02-2024)“…Abstract The tip of the tidal tail, resulting from an encounter between galaxies, features gas concentrations and some star-forming regions, such as tidal…”
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The changing GMC population in galaxy interactions
Published in Monthly notices of the Royal Astronomical Society (01-11-2018)Get full text
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15
Radial distributions of arm–gas offsets as an observational test of spiral theories
Published in Publications of the Astronomical Society of Japan (01-08-2015)“…Theories of stellar spiral arms in disk galaxies can be grouped into two classes based on the longevity of a spiral arm. Although the quasi-stationary density…”
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Physical Characterization of Serendipitously Uncovered Millimeter-wave Line-emitting Galaxies at z ∼ 2.5 behind the Local Luminous Infrared Galaxy VV 114
Published in The Astrophysical journal (01-08-2021)“…Abstract We present a detailed investigation of millimeter-wave line emitters ALMA J010748.3-173028 (ALMA-J0107a) and ALMA J010747.0-173010 (ALMA-J0107b),…”
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17
Central concentration of warm and dense molecular gas in a strongly lensed submillimeter galaxy at z = 6
Published in Publications of the Astronomical Society of Japan (01-12-2022)“…Abstract We report the detection of the CO(12–11) line emission toward G09-83808 (or H-ATLAS J090045.4+004125), a strongly-lensed submillimeter galaxy at z =…”
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PHYSICAL CONDITIONS IN MOLECULAR CLOUDS IN THE ARM AND INTERARM REGIONS OF M51
Published in The Astrophysical journal (10-12-2012)“…We report systematic variations in the emission line ratio of the CO J = 2-1 and J = 1-0 transitions (R sub(2-1/1-0)) in the grand-design spiral galaxy M51…”
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Complex distribution and velocity field of molecular gas in NGC 1316 as revealed by the Morita Array of ALMA
Published in Publications of the Astronomical Society of Japan (01-08-2019)“…Abstract We present the results of 12CO(J = 1–0) mosaicing observations of the cD galaxy NGC 1316 at kiloparsec resolution performed with the Morita Array of…”
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ALMA 12CO ( J = 1–0) imaging of the nearby galaxy M 83: Variations in the efficiency of star formation in giant molecular clouds
Published in Publications of the Astronomical Society of Japan (01-08-2018)“…Abstract We present results of the 12CO (1–0) mosaic observations of the nearby barred-spiral galaxy M 83 obtained with the Atacama Large…”
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