Articles by John J. Ruan

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John J. Ruan

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A Host Galaxy Morphology Link Between Quasi-Periodic Eruptions and Tidal Disruption Events

16 September 2024 by Olivier Gilbert and others at

McGill University

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Signatures of Massive Black Hole Merger Host Galaxies from Cosmological Simulations II: Unique Stellar Kinematics in Integral Field Unit Spectroscopy

19 July 2024 by Jaeden Bardati and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

KilonovAE: Exploring Kilonova Spectral Features with Autoencoders

18 January 2024 by N. Ford and others at

McGill University

High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics

Spectroscopic r-Process Abundance Retrieval for Kilonovae II: Lanthanides in the Inferred Abundance Patterns of Multi-Component Ejecta from the GW170817 Kilonova

22 December 2023 by Nicholas Vieira and others

High Energy Astrophysical Phenomena

Signatures of Massive Black Hole Merger Host Galaxies from Cosmological Simulations I: Unique Galaxy Morphologies in Imaging

14 October 2023 by Jaeden Bardati and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Probing the Origin of Changing-look Quasar Transitions with Chandra

23 April 2023 by Qian Yang and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Spectroscopic r-Process Abundance Retrieval for Kilonovae I: The Inferred Abundance Pattern of Early Emission from GW170817

22 December 2022 by Nicholas Vieira and others

High Energy Astrophysical Phenomena

The Time Domain Spectroscopic Survey: Changing-Look Quasar Candidates from Multi-Epoch Spectroscopy in SDSS-IV

27 May 2022 by Paul Green and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Probing the disk-corona systems and broad line regions of changing-look quasars with X-ray and optical observations

3 March 2021 by Xiangyu Jin and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

A Deep CFHT Optical Search for a Counterpart to the Possible Neutron Star -- Black Hole Merger GW190814

4 April 2020 by Nicholas Vieira and others

High Energy Astrophysical Phenomena

LRP2020: The cosmic origin and evolution of the elements

22 October 2019 by Rodrigo Fernández and others

Solar and Stellar Astrophysics, Astrophysics of Galaxies

Tracing the AGN/X-ray Binary Analogy with Light Curves of Individual Changing-Look AGN

12 September 2019 by John Ruan and others

High Energy Astrophysical Phenomena

The Analogous Structure of Accretion Flows in Supermassive and Stellar Mass Black Holes

9 July 2019 by John Ruan and others

High Energy Astrophysical Phenomena

Gemini Imaging of the Host Galaxies of Changing-Look Quasars

1 April 2019 by Paul J. L. Charlton and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Changing-Look Quasar Candidates: First Results from Follow-up Spectroscopy of Highly Optically Variable Quasars

6 February 2019 by Chelsea Macleod and others

Astrophysics of Galaxies

The Time-Domain Spectroscopic Survey: Radial Velocity Variability in Dwarf Carbon Stars

21 December 2018 by Benjamin Roulston and others

Solar and Stellar Astrophysics

Fading of the X-ray Afterglow of Neutron Star Merger GW170817/GRB170817A at 260 days

5 July 2018 by Melania Nynka and others

High Energy Astrophysical Phenomena

Brightening X-ray Emission from GW170817/GRB170817A: Further Evidence for an Outflow

11 December 2017 by John Ruan and others

High Energy Astrophysical Phenomena

The Time-Domain Spectroscopic Survey: Target Selection for Repeat Spectroscopy

12 November 2017 by Chelsea Macleod and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

A Deep Chandra X-ray Study of Neutron Star Coalescence GW170817

19 October 2017 by Daryl Haggard and others

High Energy Astrophysical Phenomena

A Mote in Andromeda's Disk: a Misidentified Periodic AGN Behind M31

11 October 2017 by Trevor Dorn-Wallenstein and others

Astrophysics of Galaxies

Detection of Time Lags Between Quasar Continuum Emission Bands based on Pan-STARRS Light-curves

27 December 2016 by Yan-Fei Jiang and others

High Energy Astrophysical Phenomena

Searching for Binary Supermassive Black Holes via Variable Broad Emission Line Shifts: Low Binary Fraction

31 October 2016 by Lile Wang and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Towards an Understanding of Changing-Look Quasars: An Archival Spectroscopic Search in SDSS

24 May 2016 by John Ruan and others

High Energy Astrophysical Phenomena, Cosmology and Nongalactic Astrophysics

The Time-Domain Spectroscopic Survey: Understanding the Optically Variable Sky with SEQUELS in SDSS-III

8 February 2016 by John Ruan and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Now You See It, Now You Don't: The Disappearing Central Engine of the Quasar J1011+5442

11 September 2015 by Jessie Runnoe and others at

University of Washington

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

The Time Domain Spectroscopic Survey: Variable Object Selection and Anticipated Results

4 May 2015 by Eric Morganson and others

High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics

SDSSJ14584479+3720215: A Benchmark JHK Blazar Light Curve from the 2MASS Calibration Scans

12 February 2015 by James R. A. Davenport and others

High Energy Astrophysical Phenomena, Cosmology and Nongalactic Astrophysics

Detection of Quasar Feedback from the Thermal Sunyaev-Zel'dovich Effect in Planck

5 February 2015 by John Ruan and others

Cosmology and Nongalactic Astrophysics, High Energy Astrophysical Phenomena

The Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III

8 January 2015 by Shadab Alam and others

Instrumentation and Methods for Astrophysics, Astrophysics of Galaxies

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High Energy Astrophysical Phenomena Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics Solar and Stellar Astrophysics General Relativity and Quantum Cosmology Nuclear Theory Instrumentation and Methods for Astrophysics