Steinn Sigurðsson

Pennsylvania State University — United States

Physics and Astronomy · Physical Sciences

37h-index5.0kcitations223works0.72yr avg
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Research Topics

Stellar, planetary, and galactic studies(95), Astronomy and Astrophysical Research(80), Pulsars and Gravitational Waves Research(51), Astrophysical Phenomena and Observations(51), Galaxies: Formation, Evolution, Phenomena(46)

Publications221 total

The Tantalizing Case of the Quasar J0950+5128 -- I. Presentation of the Data and Detailed Exploration of the Binary Supermassive Black Hole Scenario
ArXiv.org·2025Open Access
A Large Systematic Search for Close Supermassive Binary and Rapidly Recoiling Black Holes. IV. Ultraviolet Spectroscopy*†
The Astrophysical Journal·2025· 3 citedOpen Access
Planets in Globular Clusters?
arXiv (Cornell University)·2025Open Access
Contaminating Electromagnetic Transients in LISA Gravitational-wave Localization Volumes. I. The Intrinsic Rates
The Astrophysical Journal·2025· 1 citedOpen Access
Contaminating Electromagnetic Transients in LISA Gravitational Wave Localization Volumes. I: The Intrinsic Rates
arXiv (Cornell University)·2025Open Access
A Large Systematic Search for Close Supermassive Binary and Rapidly Recoiling Black Holes -- IV. Ultraviolet spectroscopy
arXiv (Cornell University)·2025Open Access
Pushing the Frontier of Solar & Space Physics: Exploration of the Heliosphere and the Very Local Interstellar Medium by an Interstellar Probe
2023· 1 citedOpen Access
Introducing QUOTAS as a new research platform for the data-driven discovery of supermassive black holes
Nature Astronomy·2023· 1 cited
QUOTAS: A New Research Platform for the Data-driven Discovery of Black Holes
The Astrophysical Journal·2023· 2 citedOpen Access
A framework for improving the accessibility of research papers on arXiv.org
arXiv (Cornell University)·2022· 5 citedOpen Access
The Search for Binary Supermassive Black Holes among Quasars with Offset Broad Lines Using the Very Long Baseline Array
The Astrophysical Journal·2021· 16 citedOpen Access
The Search for Binary Supermassive Black Holes Amongst Quasars with Offset Broad Lines Using the Very Long Baseline Array
arXiv (Cornell University)·2021Open Access
QuasarNet: A new research platform for the data-driven investigation of black holes
2021
QUOTAS: A new research platform for the data-driven investigation of black holes
arXiv (Cornell University)·2021Open Access
Multimessenger Constraints on the Merger Timescale of Subparsec Supermassive Black Hole Binary Candidates
American Astronomical Society Meeting Abstracts·2021
VizieR Online Data Catalog: Flux & RVs of the dwarf G9-40 with K2 & HPF (Stefansson+, 2020)
VizieR Online Data Catalog·2020
Emission Signatures from Subparsec Binary Supermassive Black Holes. III. Comparison of Models with Observations
The Astrophysical Journal·2020· 21 citedOpen Access
The future of arXiv and knowledge discovery in open science
2020· 5 citedOpen Access
Advances in Precise Radial Velocimetry From Cross-Disciplinary Work in Heliophysics, Stellar Astronomy, and Instrumentation
arXiv (Cornell University)·2019Open Access
Advances in Precise Radial Velocimetry From Cross-Disciplinary Work in\n Heliophysics, Stellar Astronomy, and Instrumentation
arXiv (Cornell University)·2019· 2 citedOpen Access
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Frequent Co-authors

Michael Eracleous(8), Tamara Bogdanović(7), Michela Mapelli(6), Lars Hernquist(5), M. B. Davies(5), G. Beccari(5), Robin Ciardullo(5), F. R. Ferraro(4), Robert T. Rood(4), John J. Feldmeier(4), George H. Jacoby(4), Jessie C. Runnoe(4), Todd A. Boroson(4), B. Lanzoni(3), E. Dalessandro(3), Alison Sills(3), Britton Smith(3), Patrick R. Durrell(3), Kelly Holley‐Bockelmann(3), Khai Nguyen(3)