Search Results - "Boyce, Hope"
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1
A Deep CFHT Optical Search for a Counterpart to the Possible Neutron Star-Black Hole Merger GW190814
Published in The Astrophysical journal (01-06-2020)“…We present a wide-field optical imaging search for electromagnetic counterparts to the likely neutron star-black hole (NS-BH) merger GW190814/S190814bv. This…”
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Journal Article -
2
Observational Probes of Supermassive Black Hole Environments: From the Event Horizon to the the Sphere of Influence
Published 01-01-2022“…There exists a two-way relationship between small-scale, short-timescale phenomena (e.g. transient accretion events) around supermassive black holes (SMBHs)…”
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Dissertation -
3
WISDOM project – XI. Star formation efficiency in the bulge of the AGN-host Galaxy NGC 3169 with SITELLE and ALMA
Published in Monthly notices of the Royal Astronomical Society (07-07-2022)“…ABSTRACT The star formation efficiency (SFE) has been shown to vary across different environments, particularly within galactic starbursts and deep within the…”
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Journal Article -
4
Monitoring the Closest Supermassive Black Hole: X-Ray and Infrared Variability of Sgr A
Published 01-01-2018“…Emission from Sgr A* is highly variable at both X-ray and infrared (IR) wavelengths. Observations over the last ~20 years have detected X-ray flares that rise…”
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Dissertation -
5
The InfraRed Imaging Spectrograph (IRIS) for TMT: Overview of innovative science programs
Published 11-07-2014“…IRIS (InfraRed Imaging Spectrograph) is a first light near-infrared diffraction limited imager and integral field spectrograph being designed for the future…”
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Journal Article -
6
WISDOM project XX -- Strong shear tearing molecular clouds apart in NGC 524
Published 03-06-2024“…Early-type galaxies (ETGs) are known to harbour dense spheroids of stars but scarce star formation (SF). Approximately a quarter of these galaxies have rich…”
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Journal Article -
7
First Very Long Baseline Interferometry Detections at 870{\mu}m
Published 09-10-2024“…The Astronomical Journal, Volume 168, Issue 3, id.130, 19 pp. 2024 The first very long baseline interferometry (VLBI) detections at 870$\mu$m wavelength…”
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Journal Article -
8
General relativistic MHD simulations of non-thermal flaring in Sagittarius A
Published 16-09-2021“…Sagittarius A* exhibits regular variability in its multiwavelength emission, including daily X-ray flares and roughly continuous near-infrared (NIR)…”
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Journal Article -
9
WISDOM project -- XI. Star Formation Efficiency in the Bulge of the AGN-host Galaxy NGC 3169 with SITELLE and ALMA
Published 07-06-2022“…The star formation efficiency (SFE) has been shown to vary across different environments, particularly within galactic starbursts and deep within the bulges of…”
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Journal Article -
10
A search for pulsars around Sgr A in the first Event Horizon Telescope dataset
Published 29-08-2023“…The Event Horizon Telescope (EHT) observed in 2017 the supermassive black hole at the center of the Milky Way, Sagittarius A* (Sgr A*), at a frequency of 228.1…”
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Journal Article -
11
Comparison of Polarized Radiative Transfer Codes used by the EHT Collaboration
Published 21-03-2023“…Interpretation of resolved polarized images of black holes by the Event Horizon Telescope (EHT) requires predictions of the polarized emission observable by an…”
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Journal Article -
12
A Deep CFHT Optical Search for a Counterpart to the Possible Neutron Star -- Black Hole Merger GW190814
Published 13-05-2020“…We present a wide-field optical imaging search for electromagnetic counterparts to the likely neutron star - black hole (NS-BH) merger GW190814/S190814bv. This…”
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Journal Article -
13
Event Horizon Telescope observations of the jet launching and collimation in Centaurus A
Published 05-11-2021“…Nature Astronomy, July 2021, Volume 5, p. 1017-1028 Very-long-baseline interferometry (VLBI) observations of active galactic nuclei at millimeter wavelengths…”
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Journal Article -
14
The Variability of the Black-Hole Image in M87 at the Dynamical Time Scale
Published 02-11-2021“…The black-hole images obtained with the Event Horizon Telescope (EHT) are expected to be variable at the dynamical timescale near their horizons. For the black…”
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Journal Article -
15
Constraints on black-hole charges with the 2017 EHT observations of M87
Published 19-05-2021“…Our understanding of strong gravity near supermassive compact objects has recently improved thanks to the measurements made by the Event Horizon Telescope…”
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Journal Article -
16
The Polarized Image of a Synchrotron Emitting Ring of Gas Orbiting a Black Hole
Published 13-05-2021“…ApJ 912 35 (2021) Synchrotron radiation from hot gas near a black hole results in a polarized image. The image polarization is determined by effects including…”
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Journal Article