activity
20242026
most citedThe Science of the Einstein Telescope

97 citations · 134 across the 19 of their papers we have counts for

collaborators

22 papers

astro-ph.HE2026

Can we constrain the binary neutron star merger time from kilonova light curves?

Noah Jamsin, Marion Pillas, Marko Ristić +18

The joint observation of gravitational waves (GWs) from a binary neutron star (BNS) merger (GW170817), together with a short Gamma-Ray Burst (GRB 170817A) and a kilonova (KN, AT201…

astro-ph.HE2026

Scalable and sequential inference of the neutron star equation of state with the Einstein Telescope

Thibeau Wouters, Thomas C. K. Ng, Hauke Koehn +4

Future gravitational-wave observatories such as the Einstein Telescope will detect tens of thousands of binary neutron star mergers per year, making gravitational waves a dominant…

astro-ph.HE2026

Binary neutron stars in the next-generation era: Multi-messenger detection prospects and constraints on the equation of state, mass distribution, and cosmology

Hauke Koehn, Thibeau Wouters, Gilad Sadeh +5

Next-generation gravitational-wave (GW) observatories will provide crucial insights into the nature of neutron star (NS) matter and the cosmological expansion history. We estimate…

gr-qc2026

A story about a tipsy kangaroo: Reversible jump MCMC for model selection in the analysis of gravitational-wave signals from the coalescence of compact objects

Anna Puecher, Tim Dietrich, Hauke Koehn +4

Bayesian inference is commonly employed in the analysis of gravitational-wave signals not only to estimate the source parameters, but also for model selection. The latter provides…

astro-ph.IM2026

nmma: An extended Bayesian framework for Nuclear Multimessenger Astronomy in the Era of Next-Generation Detectors

Henrik Rose, Hauke Koehn, Thibeau Wouters +4

Context. The joint analysis of different (astro-)physical messengers, in particular gravitational-wave data and electromagnetic follow-up observations, allows us to establish, expl…

astro-ph.HE2026★ 1 cited

Multi-epoch afterglow rebrightenings in GRB 250129A: Evidence for successive shock interactions

D. Akl, S. Antier, H. Koehn +105

Most long gamma-ray bursts (GRBs) exhibit afterglows broadly consistent with external forward-shock emission, typically described by smooth broken power-law decays in the multiband…

astro-ph.HE2025

Incorporating neutron star physics into gravitational wave inference with physics-informed priors using normalizing flows

Thibeau Wouters, Peter T. H. Pang, Tim Dietrich +1

Bayesian inference, widely used in gravitational-wave parameter estimation, depends on the choice of priors, i.e., on our previously existing knowledge. However, to investigate neu…

astro-ph.HE2025

AT2025ulz and S250818k: Investigating early time observations of a subsolar mass gravitational-wave binary neutron star merger candidate

Xander J. Hall, Malte Busmann, Hauke Koehn +32

Over the past LIGO--Virgo--KAGRA (LVK) observing runs, it has become increasingly clear that identifying the next electromagnetic counterparts to gravitational-wave (GW) neutron st…

astro-ph.HE2025

Analyzing GW231109_235456 and understanding its potential implications for population studies, nuclear physics, and multi-messenger astronomy

Thibeau Wouters, Anna Puecher, Peter T. H. Pang +1

We study the gravitational-wave trigger GW231109_235456, a sub-threshold binary neutron star merger candidate observed in the first part of the fourth observing run of the LIGO-Vir…

astro-ph.HE2025★ 5 cited

IIb or not IIb: A Catalog of ZTF Kilonova Imposters

Tyler Barna, Christoffer Fremling, Tomas Ahumada +12

Among the various classes of fast optical transients (FOTs), kilonovae (KNe), which can emerge as a result of neutron star mergers, are extremely challenging to observe because of…

astro-ph.HE2025★ 3 cited

Efficient Bayesian analysis of kilonovae and gamma ray burst afterglows with fiesta

Hauke Koehn, Thibeau Wouters, Peter T. H. Pang +4

Gamma-ray burst (GRB) afterglows and kilonovae (KNe) are electromagnetic transients that can accompany binary neutron star (BNS) mergers. Therefore, studying their emission process…

gr-qc2025★ 2 cited

Overlapping signals in next-generation gravitational wave observatories: A recipe for selecting the best parameter estimation technique

Tomasz Baka, Harsh Narola, Justin Janquart +3

Third-generation gravitational wave detectors such as Einstein Telescope and Cosmic Explorer will have significantly better sensitivities than current detectors, as well as a wider…

astro-ph.HE2025

Leveraging differentiable programming in the inverse problem of neutron stars

Thibeau Wouters, Peter T. H. Pang, Hauke Koehn +5

Neutron stars (NSs) probe the high-density regime of the nuclear equation of state (EOS). However, inferring the EOS from observations of NSs is a computationally challenging task.…

gr-qc2025★ 97 cited

The Science of the Einstein Telescope

Adrian Abac, Raul Abramo, Simone Albanesi +485

Einstein Telescope (ET) is the European project for a gravitational-wave (GW) observatory of third-generation. In this paper we present a comprehensive discussion of its science ob…

astro-ph.HE2024

Detecting electromagnetic counterparts to LIGO/Virgo/KAGRA gravitational wave events with DECam: Neutron Star Mergers

Keerthi Kunnumkai, Antonella Palmese, Amanda M Farah +7

With GW170817 being the only multimessenger gravitational wave (GW) event with an associated kilonova detected so far, there exists a pressing need for realistic estimation of the…

astro-ph.HE2024★ 4 cited

Data-driven approach for modeling the temporal and spectral evolution of kilonova systematic uncertainties

Sahil Jhawar, Thibeau Wouters, Peter T. H. Pang +3

Kilonovae, possible electromagnetic counterparts to neutron star mergers, provide important information about high-energy transient phenomena and, in principle, also allow us to ob…

astro-ph.HE2024

Multi-physics framework for fast modeling of gamma-ray burst afterglows

Vsevolod Nedora, Ludovica Crosato Menegazzi, Enrico Peretti +2

In this paper, we present PyBlastAfterglow, a modular C++ code with a Python interface to model light curves and sky maps of gamma-ray burst afterglows. The code is open-source, mo…

astro-ph.HE2024★ 2 cited

Kilonova emission from GW230529 and mass gap neutron star-black hole mergers

Keerthi Kunnumkai, Antonella Palmese, Mattia Bulla +3

The detection of the gravitational wave event GW230529, presumably a neutron star-black hole (NSBH) merger, by the LIGO-Virgo-KAGRA (LVK) Collaboration marks an exciting discovery…

astro-ph.HE2024★ 10 cited

Probe and Prejudice: Classification of compact objects and model comparison using EOS knowledge

Hauke Koehn, Thibeau Wouters, Henrik Rose +4

Nuclear theory and experiments, alongside astrophysical observations, constrain the equation of state (EOS) of supranuclear-dense matter. Conversely, knowledge of the EOS allows an…

gr-qc2024★ 7 cited

Impact of gravitational waveform model systematics on the measurement of the Hubble constant

Nina Kunert, Jonathan Gair, Peter T. H. Pang +1

Matching gravitational-wave observations of binary neutron stars with theoretical model predictions reveals important information about the sources, such as the masses and the dist…

astro-ph.HE2024★ 2 cited

An Online Framework for Fitting Fast Transient Lightcurves

Tyler Barna, Brandon Reed, Igor Andreoni +7

The identification of extragalactic fast optical transients (eFOTs) as potential multi-messenger sources is one of the main challenges in time-domain astronomy. However, recent dev…

astro-ph.IM2024★ 1 cited

Robust parameter estimation within minutes on gravitational wave signals from binary neutron star inspirals

Thibeau Wouters, Peter T. H. Pang, Tim Dietrich +1

The gravitational waves emitted by binary neutron star inspirals contain information on nuclear matter above saturation density. However, extracting this information and conducting…