Search Results - "Fisher, Deanne B."
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CO Excitation in High-z Main-sequence Analogues: Resolved CO(4−3)/CO(3−2) Line Ratios in DYNAMO Galaxies
Published in The Astrophysical journal (01-03-2023)“…Abstract The spectral line energy distribution of carbon monoxide contains information about the physical conditions of the star-forming molecular hydrogen…”
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Disk Turbulence and Star Formation Regulation in High-z Main-sequence Analog Galaxies
Published in The Astrophysical journal (01-11-2024)“…Abstract The gas-phase velocity dispersions in disk galaxies, which trace turbulence in the interstellar medium, are observed to increase with lookback time…”
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The Imprint of Clump Formation at High Redshift. II. The Chemistry of the Bulge
Published in The Astrophysical journal (01-04-2023)“…Abstract In Paper I, we showed that clumps in high-redshift galaxies, having a high star formation rate density (Σ SFR ), produce disks with two tracks in the…”
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The ALMA-CRISTAL Survey: Spatially Resolved Star Formation Activity and Dust Content in 4 < z < 6 Star-forming Galaxies
Published in The Astrophysical journal (01-11-2024)“…Abstract Using a combination of Hubble Space Telescope (HST), JWST, and Atacama Large Millimeter/submillimeter Array (ALMA) data, we perform spatially resolved…”
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JWST Observations of Starbursts: Polycyclic Aromatic Hydrocarbon Emission at the Base of the M82 Galactic Wind
Published in The Astrophysical journal (01-05-2024)“…Abstract We present new observations of the central 1 kpc of the M82 starburst obtained with the James Webb Space Telescope near-infrared camera instrument at…”
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JWST Observations of Starbursts: Massive Star Clusters in the Central Starburst of M82
Published in Astrophysical journal. Letters (01-10-2024)“…Abstract We present a near-infrared (NIR) candidate star cluster catalog for the central kiloparsec of M82 based on new JWST NIRCam images. We identify star…”
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The imprint of clump formation at high redshift – I. A disc α-abundance dichotomy
Published in Monthly notices of the Royal Astronomical Society (11-04-2019)“…ABSTRACT The disc structure of the Milky Way is marked by a chemical dichotomy, with high-α and low-α abundance sequences, traditionally identified with the…”
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Giant star-forming complexes in high-z main-sequence galaxy analogues: the internal structure of clumps in DYNAMO galaxies
Published in Monthly notices of the Royal Astronomical Society (01-09-2021)“…ABSTRACT To indirectly study the internal structure of giant clumps in main sequence galaxies at z ∼ 1–3, we target very turbulent and gas-rich local analogues…”
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Stellar masses of clumps in gas-rich, turbulent disc galaxies
Published in Monthly notices of the Royal Astronomical Society (31-03-2022)“…ABSTRACT In this paper, we use Hubble Space Telescope/WFC3 observations of six galaxies from the DYnamics of Newly Assembled Massive Object (DYNAMO) survey,…”
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The DUVET Survey: Resolved maps of star formation-driven outflows in a compact, starbursting disc galaxy
Published in Monthly notices of the Royal Astronomical Society (09-03-2022)“…ABSTRACT We study star formation-driven outflows in a z ∼ 0.02 starbursting disc galaxy, IRAS08339+6517, using spatially resolved measurements from the Keck…”
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Unveiling the complex circumgalactic medium: A comparative study of merging and non-interacting galaxy groups
Published in Monthly notices of the Royal Astronomical Society (12-06-2024)“…Abstract While most galaxies live in group environments where they undergo an accelerated evolution, the characteristics of their circumgalactic medium (CGM)…”
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K-band Imaging of the Nearby Clumpy, Turbulent Disk Galaxy DYNAMO G04-1
Published in The Astrophysical journal (01-02-2022)“…Abstract We present a case study of the stellar clumps in G04-1—a clumpy, turbulent disk galaxy located at z = 0.13—from the DYnamics of Newly-Assembled…”
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DUVET survey: mapping outflows in the metal-poor starburst Mrk 1486
Published in Monthly notices of the Royal Astronomical Society (11-09-2023)“…ABSTRACT We present a method to characterize star-formation driven outflows from edge-on galaxies and apply this method to the metal-poor starburst galaxy, Mrk…”
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The SAMI galaxy survey: gas velocity dispersions in low-z star-forming galaxies and the drivers of turbulence
Published in Monthly notices of the Royal Astronomical Society (21-06-2020)“…ABSTRACT We infer the intrinsic ionized gas kinematics for 383 star-forming galaxies across a range of integrated star formation rates (SFR ∈ [10−3, 102] M⊙…”
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DUVET: Spatially Resolved Observations of Star Formation Regulation via Galactic Outflows in a Starbursting Disk Galaxy
Published in The Astrophysical journal (01-12-2022)“…Abstract We compare 500 pc scale, resolved observations of ionized and molecular gas for the z ∼ 0.02 starbursting disk galaxy IRAS08339+6517, using…”
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Angular momentum of z ∼ 1.5 galaxies and their local analogues with adaptive optics
Published in Monthly notices of the Royal Astronomical Society (01-06-2019)“…Abstract We present stellar specific angular momentum j* measurements of two z ∼ 1.5 galaxies in the KGES sample and 12 DYNAMO z ∼ 0.1 analogues of…”
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DUVET: Resolved direct metallicity measurements in the outflow of starburst galaxy NGC 1569
Published in Monthly notices of the Royal Astronomical Society (06-05-2024)“…ABSTRACT We present the results of direct-method metallicity measurements in the disc and outflow of the low-metallicity starburst galaxy NGC 1569. We use Keck…”
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Size Scaling of Clump Instabilities in Turbulent, Feedback-regulated Disks
Published in The Astrophysical journal (01-04-2019)“…We explore the scaling between the size of star-forming clumps and rotational support in massively star-forming galactic disks. The analysis relies on…”
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Dynamic Equilibrium Sets of the Atomic Content of Galaxies across Cosmic Time
Published in The Astrophysical journal (01-12-2018)“…We analyze 88 independent, high-resolution, cosmological zoomed-in simulations of disk galaxies in the NIHAO simulations suite to explore the connection…”
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Stellar angular momentum distribution linked to galaxy morphology
Published in Monthly notices of the Royal Astronomical Society (01-06-2020)“…ABSTRACT We study the spatially resolved stellar specific angular momentum j* in a high-quality sample of 24 Calar Alto Legacy Integral Field Area galaxies…”
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