The Era of Binary Supermassive Black Holes: Coordination of Nanohertz-Frequency Gravitational-Wave Follow-up

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Main Authors: Burke-Spolaor, Sarah, Bogdanović, Tamara, D'Orazio, Daniel J., Eracleous, Michael, Gezari, Suvi, Graham, Matthew J., Gültekin, Kayhan, Hazboun, Jeffrey, Mingarelli, Chiara M. F., Narayan, Gautham, Petrov, Polina, Veronesi, Nicolo
Format: Preprint
Published: 2025
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author Burke-Spolaor, Sarah
Bogdanović, Tamara
D'Orazio, Daniel J.
Eracleous, Michael
Gezari, Suvi
Graham, Matthew J.
Gültekin, Kayhan
Hazboun, Jeffrey
Mingarelli, Chiara M. F.
Narayan, Gautham
Petrov, Polina
Veronesi, Nicolo
author_facet Burke-Spolaor, Sarah
Bogdanović, Tamara
D'Orazio, Daniel J.
Eracleous, Michael
Gezari, Suvi
Graham, Matthew J.
Gültekin, Kayhan
Hazboun, Jeffrey
Mingarelli, Chiara M. F.
Narayan, Gautham
Petrov, Polina
Veronesi, Nicolo
contents Here we summarize discussions and conclusions from the conference ``The Era of Binary Supermassive Black Holes: Coordination of Nanohertz-Frequency Gravitational-Wave Follow-up,'' held at the Aspen Center for Physics from February 2-7, 2025. The meeting facilitated a crucial knowledge exchange between electromagnetic and gravitational-wave theorists, observers, and cyber-infrastructure experts. The central goal was to guide the development of multi-messenger follow-up strategies for binary supermassive black hole detections by pulsar timing arrays. To build a common basis of understanding for the broader scientific community, this summary outlines the main considerations and recommendations from the meeting, summarizes the knowledge gaps identified, and ends with a potential roadmap to catalyze discussion about the search for electromagnetic counterparts to massive black hole binaries detected by pulsar timing arrays.
format Preprint
id arxiv_https___arxiv_org_abs_2512_15911
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle The Era of Binary Supermassive Black Holes: Coordination of Nanohertz-Frequency Gravitational-Wave Follow-up
Burke-Spolaor, Sarah
Bogdanović, Tamara
D'Orazio, Daniel J.
Eracleous, Michael
Gezari, Suvi
Graham, Matthew J.
Gültekin, Kayhan
Hazboun, Jeffrey
Mingarelli, Chiara M. F.
Narayan, Gautham
Petrov, Polina
Veronesi, Nicolo
Astrophysics of Galaxies
General Relativity and Quantum Cosmology
Here we summarize discussions and conclusions from the conference ``The Era of Binary Supermassive Black Holes: Coordination of Nanohertz-Frequency Gravitational-Wave Follow-up,'' held at the Aspen Center for Physics from February 2-7, 2025. The meeting facilitated a crucial knowledge exchange between electromagnetic and gravitational-wave theorists, observers, and cyber-infrastructure experts. The central goal was to guide the development of multi-messenger follow-up strategies for binary supermassive black hole detections by pulsar timing arrays. To build a common basis of understanding for the broader scientific community, this summary outlines the main considerations and recommendations from the meeting, summarizes the knowledge gaps identified, and ends with a potential roadmap to catalyze discussion about the search for electromagnetic counterparts to massive black hole binaries detected by pulsar timing arrays.
title The Era of Binary Supermassive Black Holes: Coordination of Nanohertz-Frequency Gravitational-Wave Follow-up
topic Astrophysics of Galaxies
General Relativity and Quantum Cosmology
url https://arxiv.org/abs/2512.15911