46 citations · 50 across the 7 of their papers we have counts for
7 papers
Towards independent event horizon imaging of the supermassive black holes in M87 and the Milky Way
Nithyanandan Thyagarajan, Samuel Lai, Ivy Wong +1
The Event Horizon Telescope (EHT) Collaboration's images of the supermassive black holes in M87 and the Milky Way have provided the first event-horizon-scale views of these objects…
Conditional Image Diffusion with Interferometric Closure Invariants: Independent EHT Imaging of Centaurus~A and 3C~279
Samuel Lai, Nithyanandan Thyagarajan, O. Ivy Wong +1
We present independent imaging analyses of Event Horizon Telescope (EHT) observations of the active galactic nuclei in radio galaxy Centaurus~A and quasar 3C~279 using Generative D…
Very-Long Baseline Interferometry Imaging with Closure Invariants using Conditional Image Diffusion
Samuel Lai, Nithyanandan Thyagarajan, O. Ivy Wong +1
Image reconstruction in very-long baseline interferometry operates under severely sparse aperture coverage with calibration challenges from both the participating instruments and p…
Simultaneous emission from dust and gas in the planetary debris orbiting a white dwarf
Laura K. Rogers, Christopher J. Manser, Amy Bonsor +11
There is increasing evidence for the presence and variability of circumstellar dust and gas around white dwarfs that are polluted with exoplanetary material, although the origin of…
Deep Learning VLBI Image Reconstruction with Closure Invariants
Samuel Lai, Nithyanandan Thyagarajan, O. Ivy Wong +2
Interferometric closure invariants, constructed from triangular loops of mixed Fourier components, capture calibration-independent information on source morphology. While a complet…
Interferometric Image Reconstruction using Closure Invariants and Machine Learning
Nithyanandan Thyagarajan, Lucas Hoefs, O. Ivy Wong
Interferometric closure invariants encode calibration-independent details of an object's morphology. Excepting simple cases, a direct backward transformation from closure invariant…
Infrared Excesses around Bright White Dwarfs from Gaia and unWISE I
Siyi Xu, Samuel Lai, Erik Dennihy
Studies of excess infrared radiation around white dwarfs provide important constraints on the evolution of planetary systems and low-mass stars beyond the main sequence stage. In t…