papers

Publications (8)

astro-ph.GA2025

Examining AGN UV/Optical Variability Beyond the Simple Damped Random Walk. II. Insights from 22 Years Observations of SDSS, PS1 and ZTF

Weixiang Yu, Gordon T. Richards, John J. Ruan +3

A damped random walk (DRW) process is often used to describe the temporal UV/optical continuum variability of active galactic nuclei (AGN). However, recent investigations have show…

astro-ph.GA2023

The LSST AGN Data Challenge: Selection methods

Đorđe V. Savić, Isidora Jankov, Weixiang Yu +12

Development of the Rubin Observatory Legacy Survey of Space and Time (LSST) includes a series of Data Challenges (DC) arranged by various LSST Scientific Collaborations (SC) that a…

astro-ph.GA2022

Examining AGN UV/optical Variability Beyond the Simple Damped Random Walk

Weixiang Yu, Gordon T. Richards, Michael S. Vogeley +2

We present damped harmonic oscillator (DHO) light-curve modeling for a sample of 12,714 spectroscopically confirmed quasars in the Sloan Digital Sky Survey Stripe 82 region. DHO is…

astro-ph.GA2025

Contaminating Electromagnetic Transients in LISA Gravitational Wave Localization Volumes. I: The Intrinsic Rates

Weixiang Yu, John J. Ruan, Michael Eracleous +8

The Laser Interferometer Space Antenna (LISA) will soon detect gravitational waves (GWs) emitted by massive black hole (MBH) mergers. Some theoretical models have predicted transie…

astro-ph.IM2022

From Data to Software to Science with the Rubin Observatory LSST

Katelyn Breivik, Andrew J. Connolly, K. E. Saavik Ford +97

The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) dataset will dramatically alter our understanding of the Universe, from the origins of the Solar System to the…

astro-ph.GA2025

Scalable and Robust Multiband Modeling of AGN Light Curves in Rubin-LSST

Weixiang Yu, John J. Ruan, Colin J. Burke +22

The Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) will monitor tens of millions of active galactic nuclei (AGNs) for a period of 10 years with an average caden…

astro-ph.CO2025

Evidence for evolving Dark Energy from a new cosmic probe

Isaque Dutra, Colin J. Burke, Priyamvada Natarajan +1

The CDM concordance cosmological model provides a remarkably successful description of the formation and evolution of structure in the Universe. However, a growing discrepancy…

astro-ph.GA2025

Preliminary census of galaxies in the LISA localisation volume: I. Searching for LISA candidate massive black hole binary merger hosts using Sloan Digital Sky Survey photometry

Carolyn L. Drake, Jessie Runnoe, Aaron Stemo +6

With the launch of the Laser Interferometer Space Antenna (LISA), we will be able to estimate the sky position, luminosity distance (d), chirp mass, and mass ratio for detect…