Search Results - "de Furio, Matthew"
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An HST survey of 33 T8 to Y1 brown dwarfs: NIR photometry and multiplicity of the coldest isolated objects
Published in Monthly notices of the Royal Astronomical Society (29-09-2023)“…ABSTRACT We present results from a Hubble Space Telescope imaging search for low-mass binary and planetary companions to 33 nearby brown dwarfs with spectral…”
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The JWST Early Release Science Program for the Direct Imaging and Spectroscopy of Exoplanetary Systems
Published in Publications of the Astronomical Society of the Pacific (01-09-2022)“…Abstract The direct characterization of exoplanetary systems with high-contrast imaging is among the highest priorities for the broader exoplanet community. As…”
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3
A Search for Intermediate-separation Low-mass Binaries in the Orion Nebula Cluster
Published in The Astrophysical journal (01-12-2019)“…We present the results of a binary population study in the Orion Nebula Cluster (ONC) using archival Hubble Space Telescope (HST) data obtained with the…”
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The JWST/NIRISS Deep Spectroscopic Survey for Young Brown Dwarfs and Free-floating Planets
Published in The Astronomical journal (01-10-2024)“…Abstract The discovery and characterization of free-floating planetary-mass objects (FFPMOs) is fundamental to our understanding of star and planet formation…”
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JWST Observations of the Enigmatic Y-Dwarf WISE 1828+2650. I. Limits to a Binary Companion
Published in The Astrophysical journal (01-05-2023)“…Abstract The Y-dwarf WISE 1828+2650 is one of the coldest known brown dwarfs with an effective temperature of ∼300 K. Located at a distance of just 10 pc,…”
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High-precision Atmospheric Characterization of a Y Dwarf with JWST NIRSpec G395H Spectroscopy: Isotopologue, C/O Ratio, Metallicity, and the Abundances of Six Molecular Species
Published in The Astronomical journal (01-05-2024)“…Abstract The launch of the James Webb Space Telescope (JWST) marks a pivotal moment for precise atmospheric characterization of Y dwarfs, the coldest brown…”
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First Observations of the Brown Dwarf HD 19467 B with JWST
Published in The Astrophysical journal (01-03-2023)“…Abstract We observed HD 19467 B with JWST’s NIRCam in six filters spanning 2.5–4.6 μ m with the long-wavelength bar coronagraph. The brown dwarf HD 19467 B was…”
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The Near Infrared Imager and Slitless Spectrograph for JWST. V. Kernel Phase Imaging and Data Analysis
Published in Publications of the Astronomical Society of the Pacific (01-01-2023)“…Abstract Kernel phase imaging (KPI) enables the direct detection of substellar companions and circumstellar dust close to and below the classical (Rayleigh)…”
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JWST/NIRCam Coronagraphy of the Young Planet-hosting Debris Disk AU Microscopii
Published in The Astronomical journal (01-10-2023)“…Abstract High-contrast imaging of debris disk systems permits us to assess the composition and size distribution of circumstellar dust, to probe recent…”
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MagAO-X and HST High-contrast Imaging of the AS209 Disk at Hα
Published in The Astronomical journal (01-10-2023)“…Abstract The detection of emission lines associated with accretion processes is a direct method for studying how and where gas giant planets form, how young…”
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JWST/NIRCam Discovery of the First Y+Y Brown Dwarf Binary: WISE J033605.05–014350.4
Published in Astrophysical journal. Letters (01-04-2023)“…Abstract We report the discovery of the first brown dwarf binary system with a Y dwarf primary, WISE J033605.05−014350.4, observed with NIRCam on JWST with the…”
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JWST/NIRCam Detection of the Fomalhaut C Debris Disk in Scattered Light
Published in Astrophysical journal. Letters (01-05-2024)“…Abstract Observations of debris disks offer important insights into the formation and evolution of planetary systems. Though M dwarfs make up approximately 80%…”
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Binary Formation in the Orion Nebula Cluster: Exploring the Substellar Limit
Published in The Astrophysical journal (01-02-2022)“…Abstract We present results constraining the multiplicity of the very low mass stars and substellar objects in the Orion Nebula Cluster (ONC). Our sample…”
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Demographics of the M-star Multiple Population in the Orion Nebula Cluster
Published in The Astrophysical journal (01-12-2022)“…Abstract We present updated results constraining multiplicity demographics for the stellar population of the Orion Nebula Cluster (ONC, a high-mass,…”
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The JWST Early-release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 μm Spectrum of the Planetary-mass Companion VHS 1256–1257 b
Published in Astrophysical journal. Letters (01-03-2023)“…We present the highest fidelity spectrum to date of a planetary-mass object. VHS 1256 b is a <20 MJup widely separated (∼8'', a = 150 au), young,…”
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Oxidative Stressors Modify the Response of Streptococcus mutans to Its Competence Signal Peptides
Published in Applied and environmental microbiology (15-11-2017)“…The dental caries pathogen is continually exposed to several types of stress in the oral biofilm environment. Oxidative stress generated by reactive oxygen…”
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The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems I: High-contrast Imaging of the Exoplanet HIP 65426 b from 2 to 16 μm
Published in Astrophysical journal. Letters (01-07-2023)“…Abstract We present JWST Early Release Science coronagraphic observations of the super-Jupiter exoplanet, HIP 65426b, with the Near-Infrared Camera (NIRCam)…”
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Exploring the Role of Primary Mass and Star-Forming Environment on the Formation of Stellar and Sub-Stellar Multiple Systems
Published 01-01-2023“…Multiplicity is a common outcome of the star formation process that occurs across orders of magnitude in primary mass and orbital separation, from brown dwarfs…”
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Dissertation -
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The Small Separation A-star Companion Population: First Results with CHARA/MIRC-X
Published in The Astrophysical journal (01-12-2022)“…Abstract We present preliminary results from our long-baseline interferometry (LBI) survey to constrain the multiplicity properties of intermediate-mass A-type…”
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The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. IV. Aperture Masking Interferometry
Published in Publications of the Astronomical Society of the Pacific (01-01-2023)“…Abstract The James Webb Space Telescope’s Near Infrared Imager and Slitless Spectrograph (JWST-NIRISS) flies a 7-hole non-redundant mask (NRM), the first such…”
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