activity
20142026
most citedThe Zwicky Transient Facility: System Overview, Performance, and First Results

2.1k citations · 8.4k across the 119 of their papers we have counts for

collaborators
Showing astro-ph.HEShow all

98 papers · 1 filter

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

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…

astro-ph.HE2026

Electromagnetic Follow-up of the Sub-Solar Mass Gravitational Wave Candidate S251112cm: Kilonova Constraints and a Coincident IIb Supernova

Xander J. Hall, Tomas Ahumada, Julius Gassert +25

On November 12th, 2025 the LIGO--Virgo--KAGRA (LVK) collaboration reported gravitational waves (GWs) from a compact object merger candidate (S251112cm) with at least one sub-solar…

astro-ph.HE2026

Numerical simulations of black hole-neutron star mergers with equal and near-equal mass ratios

Ivan Markin, Mattia Bulla, Tim Dietrich

The detection of GW230529_181500 suggested the existence of more symmetric black hole-neutron star mergers where the black hole mass can be as low as 2.6 times that of the neutron…

astro-ph.HE2026

The Ep-Liso correlation: A new diagnostic tool for kilonova transients

Ruben Farinelli, Fabrizio Cogato, Mattia Bulla +10

The AT2017gfo kilonova transient remains a unique multi-messenger event thanks to its proximity (z=0.00987) and the possibility to investigate time-resolved spectra, providing evid…

astro-ph.HE2025

ZTF25abjmnps (AT2025ulz) and S250818k: A Candidate Superkilonova from a Sub-threshold Sub-Solar Gravitational Wave Trigger

Mansi M. Kasliwal, Tomas Ahumada, Robert Stein +61

On August 18, 2025, the LIGO-Virgo-KAGRA collaboration reported gravitational waves from a sub-threshold binary neutron star merger. If astrophysical, this event would have a surpr…

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

General-relativistic radiation magnetohydrodynamics simulations of binary neutron star mergers: The influence of spin on the multi-messenger picture

Anna Neuweiler, Henrique Gieg, Henrik Rose +8

The rich phenomenology of binary neutron star mergers offers a unique opportunity to test general relativity, investigate matter at supranuclear densities, and learn more about the…

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…

astro-ph.HE2025

LIGO/Virgo/KAGRA neutron star merger candidate S250206dm: Zwicky Transient Facility observations

Tomás Ahumada, Shreya Anand, Mattia Bulla +49

We present the searches conducted with the Zwicky Transient Facility (ZTF) in response to S250206dm, a bona fide event with a false alarm rate of one in 25 years, detected by the I…

astro-ph.HE2025★ 10 cited

Kilonova constraints for the LIGO/Virgo/KAGRA neutron star merger candidate S250206dm: GW-MMADS observations

Lei Hu, Tomás Cabrera, Antonella Palmese +35

Gravitational wave (GW) neutron star mergers with an associated electromagnetic counterpart constitute powerful probes of binary evolution, the production sites of heavy elements,…

astro-ph.HE2025★ 4 cited

WINTER on S250206dm: A near-infrared search for an electromagnetic counterpart to a gravitational-wave event

Danielle Frostig, Viraj R. Karambelkar, Robert D. Stein +10

We present near-infrared follow-up observations of the International Gravitational Wave Network (IGWN) event S250206dm with the Wide-Field Infrared Transient Explorer (WINTER). WIN…

astro-ph.HE2025★ 11 cited

Limits on the Ejecta Mass During the Search for Kilonovae Associated with Neutron Star-Black Hole Mergers: A case study of S230518h, GW230529, S230627c and the Low-Significance Candidate S240422ed

M. Pillas, S. Antier, K. Ackley +78

Neutron star-black hole (NSBH) mergers, detectable via their gravitational-wave (GW) emission, are expected to produce kilonovae (KNe). Four NSBH candidates have been identified an…

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★ 17 cited

A cosmic formation site of silicon and sulphur revealed by a new type of supernova explosion

Steve Schulze, Avishay Gal-Yam, Luc Dessart +47

The cores of stars are the cosmic furnaces where light elements are fused into heavier nuclei. The fusion of hydrogen to helium initially powers all stars. The ashes of the fusion…

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

Searching for gravitational wave optical counterparts with the Zwicky Transient Facility: summary of O4a

Tomás Ahumada, Shreya Anand, Michael W. Coughlin +49

During the first half of the fourth observing run (O4a) of the International Gravitational Wave Network (IGWN), the Zwicky Transient Facility (ZTF) conducted a systematic search fo…

astro-ph.HE2023★ 1 cited

Multi-band analyses of the bright GRB 230812B and the associated SN2023pel

T. Hussenot-Desenonges, T. Wouters, N. Guessoum +109

GRB~230812B is a bright and relatively nearby () long gamma-ray burst (GRB) that has generated significant interest in the community and has thus been observed over the en…

astro-ph.HE2023

Black Hole - Neutron Star mergers: using kilonovae to constrain the equation of state

Lowri Wyn Prys Mathias, Francesco Di Clemente, Mattia Bulla +1

The merging of a binary system involving two neutron stars (NSs), or a black hole (BH) and a NS, often results in the emission of an electromagnetic (EM) transient. One component o…

astro-ph.HE2023★ 3 cited

Chemical Distribution of the Dynamical Ejecta in the Neutron Star Merger GW170817

Shreya Anand, Peter T. H. Pang, Mattia Bulla +11

GW170817 and its associated electromagnetic counterpart AT2017gfo continue to be a treasure trove as observations and modeling continue. Recent precision astrometry of AT2017gfo wi…

astro-ph.HE2023

Optimising the observation of optical kilonovae with medium size telescopes

A. E. Camisasca, I. A. Steele, M. Bulla +2

We consider the optimisation of the observing strategy (cadence, exposure time and filter choice) using medium size (2-m class) optical telescopes in the follow-up of kilonovae loc…

astro-ph.HE2023★ 230 cited

JWST detection of heavy neutron capture elements in a compact object merger

A. Levan, B. P. Gompertz, O. S. Salafia +80

The mergers of binary compact objects such as neutron stars and black holes are of central interest to several areas of astrophysics, including as the progenitors of gamma-ray burs…