Related papers: Kilonova Luminosity Function Constraints based on …

A strategy for LSST to unveil a population of kilonovae without gravitational-wave triggers

We present a cadence optimization strategy to unveil a large population of kilonovae using optical imaging alone. These transients are generated during binary neutron star and potentially neutron star-black hole mergers and are…

Instrumentation and Methods for Astrophysics · Physics 2019-05-15 Igor Andreoni , Shreya Anand , Federica B. Bianco , Brad Cenko , Philip Cowperthwaite , Michael W. Coughlin , Maria Drout , V. Zach Golkhou , David Kaplan , Kunal P. Mooley , Tyler A. Pritchard , Leo P. Singer , Sara Webb

Optimizing Kilonova Searches: A Case Study of the Type IIb SN 2025ulz in the Localization Volume of the Low-Significance Gravitational Wave Event S250818k

Kilonovae, the ultraviolet/optical/infrared counterparts to binary neutron star mergers, are an exceptionally rare class of transients. Optical follow-up campaigns are plagued by contaminating transients, which may mimic kilonovae, but do…

High Energy Astrophysical Phenomena · Physics 2025-10-28 Noah Franz , Bhagya Subrayan , Charles D. Kilpatrick , Griffin Hosseinzadeh , David J. Sand , Kate D. Alexander , Wen-fai Fong , Collin T. Christy , Jeniveve Pearson , Tanmoy Laskar , Brian Hsu , Jillian Rastinejad , Michael J. Lundquist , Edo Berger , K. Azalee Bostroem , Clecio R. Bom , Phelipe Darc , Mark Gurwell , Shelbi Hostler Schimpf , Garrett K. Keating , Phillip Noel , Conor Ransome , Ramprasad Rao , Luidhy Santana-Silva , A. Souza Santos , Manisha Shrestha , Ramya Anche , Jennifer E. Andrews , Sanchayeeta Borthakur , Nathaniel R. Butler , Deanne L. Coppejans , Philip N Daly , Kathryne J. Daniel , Paul C. Duffell , Tarraneh Eftekhari , Carl E. Fields , Alexander T. Gagliano , Walter W. Golay , Aldana Grichener , Erika T. Hamden , Daichi Hiramatsu , Harsh Kumar , Vikram Manikantan , Raffaella Margutti , Vasileios Paschalidis , Kerry Paterson , Daniel E. Reichart , Mathieu Renzo , Kali Salmas , Genevieve Schroeder , Nathan Smith , Kristine Spekkens , Jay Strader , David E. Trilling , Nicholas Vieira , Benjamin Weiner , Peter K. G. Williams

A kilonova as the electromagnetic counterpart to a gravitational-wave source

Gravitational waves were discovered with the detection of binary black hole mergers and they should also be detectable from lower mass neutron star mergers. These are predicted to eject material rich in heavy radioactive isotopes that can…

High Energy Astrophysical Phenomena · Physics 2017-10-18 S. J. Smartt , T. -W. Chen , A. Jerkstrand , M. Coughlin , E. Kankare , S. A. Sim , M. Fraser , C. Inserra , K. Maguire , K. C. Chambers , M. E. Huber , T. Kruhler , G. Leloudas , M. Magee , L. J. Shingles , K. W. Smith , D. R. Young , J. Tonry , R. Kotak , A. Gal-Yam , J. D. Lyman , D. S. Homan , C. Agliozzo , J. P. Anderson , C. R. Angus C. Ashall , C. Barbarino , F. E. Bauer , M. Berton , M. T. Botticella , M. Bulla , J. Bulger , G. Cannizzaro , Z. Cano , R. Cartier , A. Cikota , P. Clark , A. De Cia , M. Della Valle , L. Denneau , M. Dennefeld , L. Dessart , G. Dimitriadis , N. Elias-Rosa , R. E. Firth , H. Flewelling , A. Flors , A. Franckowiak , C. Frohmaier , L. Galbany , S. Gonzalez-Gaitan , J. Greiner , M. Gromadzki , A. Nicuesa Guelbenzu , C. P. Gutierrez , A. Hamanowicz , L. Hanlon , J. Harmanen , K. E. Heintz , A. Heinze , M. -S. Hernandez , S. T. Hodgkin , I. M. Hook , L. Izzo , P. A. James , P. G. Jonker , W. E. Kerzendorf , S. Klose , Z. Kostrzewa-Rutkowska , M. Kowalski , M. Kromer , H. Kuncarayakti , A. Lawrence , T. B. Lowe , E. A. Magnier , I. Manulis , A. Martin-Carrillo , S. Mattila , O. McBrien , A. Muller , J. Nordin , D. O'Neill , F. Onori , J. T. Palmerio , A. Pastorello , F. Patat , G. Pignata , Ph. Podsiadlowski , M. L. Pumo , S. J. Prentice , A. Rau , A. Razza , A. Rest , T. Reynolds , R. Roy , A. J. Ruiter , K. A. Rybicki , L. Salmon , P. Schady , A. S. B. Schultz , T. Schweyer , I. R. Seitenzahl , M. Smith , J. Sollerman , B. Stalder , C. W. Stubbs , M. Sullivan , H. Szegedi , F. Taddia , S. Taubenberger , G. Terreran , B. van Soelen , J. Vos , R. J. Wainscoat , N. A. Walton , C. Waters , H. Weiland , M. Willman , P. Wiseman , D. E. Wright , L. Wyrzykowski , O. Yaron

Kilonovae

The mergers of double neutron star (NS-NS) and black hole (BH)-NS binaries are promising gravitational wave (GW) sources for Advanced LIGO and future GW detectors. The neutron-rich ejecta from such merger events undergoes rapid neutron…

High Energy Astrophysical Phenomena · Physics 2017-07-19 Brian D. Metzger

Investigating GW190425 with numerical-relativity simulations

The third observing run of the LIGO-Virgo collaboration has resulted in about hundred gravitational-wave triggers including the binary neutron star merger GW190425. However, none of these events have been accompanied with an electromagnetic…

High Energy Astrophysical Phenomena · Physics 2021-09-20 Reetika Dudi , Ananya Adhikari , Bernd Brügmann , Tim Dietrich , Kota Hayashi , Kyohei Kawaguchi , Kenta Kiuchi , Koutarou Kyutoku , Masaru Shibata , Wolfgang Tichy

A DESGW Search for the Electromagnetic Counterpart to the LIGO/Virgo Gravitational Wave Binary Neutron Star Merger Candidate S190510g

We present the results from a search for the electromagnetic counterpart of the LIGO/Virgo event S190510g using the Dark Energy Camera (DECam). S190510g is a binary neutron star (BNS) merger candidate of moderate significance detected at a…

High Energy Astrophysical Phenomena · Physics 2021-12-15 DES Collaboration , A. Garcia , R. Morgan , K. Herner , A. Palmese , M. Soares-Santos , J. Annis , D. Brout , A. K. Vivas , A. Drlica-Wagner , L. Santana-Silva , D. L. Tucker , S. Allam , M. Wiesner , J. García-Bellido , M. S. S. Gill , M. Sako , R. Kessler , T. M. Davis , D. Scolnic , F. Olivares E. , F. Paz-Chinchón , N. Sherman , C. Conselice , H. Chen , R. J. Foley , Z. Doctor , J. Horvath , D. A. Howell , C. D. Kilpatrick , J. Casares , J. Cooke , A. Rest , T. M. C. Abbott , M. Aguena , S. Avila , E. Bertin , S. Bhargava , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , M. Costanzi , L. N. da Costa , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , S. Everett , B. Flaugher , P. Fosalba , D. Friedel , J. Frieman , E. Gaztanaga , D. W. Gerdes , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , M. Lima , M. A. G. Maia , M. March , J. L. Marshall , F. Menanteau , R. Miquel , R. L. C. Ogando , A. A. Plazas , A. K. Romer , A. Roodman , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , T. N. Varga , A. R. Walker , J. Weller

Updated observing scenarios and multi-messenger implications for the International Gravitational-wave Network's O4 and O5

An advanced LIGO and Virgo's third observing run brought another binary neutron star merger (BNS) and the first neutron-star black hole mergers. While no confirmed kilonovae were identified in conjunction with any of these events, continued…

High Energy Astrophysical Phenomena · Physics 2023-12-13 R. Weizmann Kiendrebeogo , Amanda M. Farah , Emily M. Foley , Abigail Gray , Nina Kunert , Anna Puecher , Andrew Toivonen , R. Oliver VandenBerg , Shreya Anand , Tomás Ahumada , Viraj Karambelkar , Michael W. Coughlin , Tim Dietrich , S. Zacharie Kam , Peter T. H. Pang , Leo P. Singer , Niharika Sravan

Pan-STARRS follow-up of the gravitational-wave event S250818k and the lightcurve of SN 2025ulz

Kilonovae are the scientifically rich, but observationally elusive, optical transient phenomena associated with compact binary mergers. Only a handful of events have been discovered to date, all through multi-wavelength (gamma ray) and…

High Energy Astrophysical Phenomena · Physics 2025-11-19 J. H. Gillanders , M. E. Huber , M. Nicholl , S. J. Smartt , K. W. Smith , K. C. Chambers , D. R. Young , J. W. Tweddle , S. Srivastav , M. D. Fulton , F. Stoppa , G. S. H. Paek , A. Aamer , M. R. Alarcon , A. Andersson , A. Aryan , K. Auchettl , T. -W. Chen , T. de Boer , A. K. H. Kong , J. Licandro , T. Lowe , D. Magill , E. A. Magnier , P. Minguez , T. Moore , G. Pignata , A. Rest , M. Serra-Ricart , B. J. Shappee , I. A. Smith , M. A. Tucker , R. Wainscoat

The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/VIRGO GW170817. VI. Radio Constraints on a Relativistic Jet and Predictions for Late-Time Emission from the Kilonova Ejecta

We present Very Large Array (VLA) and Atacama Large Millimeter/sub-millimeter Array ALMA radio observations of GW\,170817, the first Laser Interferometer Gravitational-wave Observatory (LIGO)/Virgo gravitational wave (GW) event from a…

High Energy Astrophysical Phenomena · Physics 2017-10-17 K. D. Alexander , E. Berger , W. Fong , P. K. G. Williams , C. Guidorzi , R. Margutti , B. D. Metzger , J. Annis , P. K. Blanchard , D. Brout , D. A. Brown , H. -Y. Chen , R. Chornock , P. S. Cowperthwaite , M. Drout , T. Eftekhari , J. Frieman , D. E. Holz , M. Nicholl , A. Rest , M. Sako , M. Soares-Santos , V. A. Villar

Kilonovae: nUV/Optical/IR Counterparts of Neutron Star Binary Mergers with TSO

With the epochal first detection of gravitational waves from a binary neutron star (NS) merger with the GW170817 event, and its direct confirmation that NS-NS mergers are significant sources of the of the r-process nucleosynthesis of heavy…

High Energy Astrophysical Phenomena · Physics 2019-03-15 Brian D. Metzger , Edo Berger , Jonathan Grindlay , Suvi Gezari , Zeljko Ivezic , Jacob Jencson , Mansi Kasliwal , Alexander Kutyrev , Chelsea Macleod , Gary Melnick , Bill Purcell , George Rieke , Yue Shen , Nial Tanvir , Michael Wood Vasey

Data-driven expectations for electromagnetic counterpart searches based on LIGO/Virgo public alerts

Searches for electromagnetic counterparts of gravitational-wave signals have redoubled since the first detection in 2017 of a binary neutron star merger with a gamma-ray burst, optical/infrared kilonova, and panchromatic afterglow. Yet, one…

High Energy Astrophysical Phenomena · Physics 2022-01-19 Polina Petrov , Leo P. Singer , Michael W. Coughlin , Vishwesh Kumar , Mouza Almualla , Shreya Anand , Mattia Bulla , Tim Dietrich , Francois Foucart , Nidhal Guessoum

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

We present near-infrared follow-up observations of the International Gravitational Wave Network (IGWN) event S250206dm with the Wide-Field Infrared Transient Explorer (WINTER). WINTER is a near-infrared time-domain survey designed for…

High Energy Astrophysical Phenomena · Physics 2026-01-23 Danielle Frostig , Viraj R. Karambelkar , Robert D. Stein , Nathan P. Lourie , Mansi M. Kasliwal , Robert A. Simcoe , Mattia Bulla , Tomas Ahumada , Geoffrey Mo , Josiah Purdum , Jill Juneau , Andrew Malonis , Gabor Furesz

Optimizing Cadences with Realistic Light Curve Filtering for Serendipitous Kilonova Discovery with Vera Rubin Observatory

Current and future optical and near-infrared wide-field surveys have the potential of finding kilonovae, the optical and infrared counterparts to neutron star mergers, independently of gravitational-wave or high-energy gamma-ray burst…

High Energy Astrophysical Phenomena · Physics 2022-01-05 Igor Andreoni , Michael W. Coughlin , Mouza Almualla , Eric C. Bellm , Federica B. Bianco , Mattia Bulla , Antonino Cucchiara , Tim Dietrich , Ariel Goobar , Erik C. Kool , Xiaolong Li , Fabio Ragosta , Ana Sagues-Carracedo , Leo P. Singer

Numerical relativity simulations of the neutron star merger GW190425: microphysics and mass ratio effects

GW190425 was the second gravitational wave (GW) signal compatible with a binary neutron star (BNS) merger detected by the Advanced LIGO and Advanced Virgo detectors. Since no electromagnetic counterpart was identified, whether the…

High Energy Astrophysical Phenomena · Physics 2024-01-25 A. Camilletti , L. Chiesa , G. Ricigliano , A. Perego , L. C. Lippold , S. Padamata , S. Bernuzzi , D. Radice , D. Logoteta , F. M. Guercilena

Observational constraints on the optical and near-infrared emission from the neutron star-black hole binary merger S190814bv

On 2019 August 14, the LIGO and Virgo interferometers detected a high-significance event labelled S190814bv. Preliminary analysis of the GW data suggests that the event was likely due to the merger of a compact binary system formed by a BH…

Solar and Stellar Astrophysics · Physics 2020-11-11 K. Ackley , L. Amati , C. Barbieri , F. E. Bauer , S. Benetti , M. G. Bernardini , K. Bhirombhakdi , M. T. Botticella , M. Branchesi , E. Brocato , S. H. Bruun , M. Bulla , S. Campana , E. Cappellaro , A. J. Castro-Tirado , K. C. Chambers , S. Chaty , T. -W. Chen , R. Ciolfi , A. Coleiro , C. M. Copperwheat , S. Covino , R. Cutter , F. D'Ammando , P. D'Avanzo , G. De Cesare , V. D'Elia , M. Della Valle , L. Denneau , M. De Pasquale , V. S. Dhillon , M. J. Dyer , N. Elias-Rosa , P. A. Evans , R. A. J. Eyles-Ferris , A. Fiore , M. Fraser , A. S. Fruchter , J. P. U. Fynbo , L. Galbany , C. Gall , D. K. Galloway , F. I. Getman , G. Ghirlanda , J. H. Gillanders , A. Gomboc , B. P. Gompertz , C. González-Fernández , S. González-Gaitán , A. Grado , G. Greco , M. Gromadzki , P. J. Groot , C. P. Gutiérrez , T. Heikkilä , K. E. Heintz , J. Hjorth , Y. -D. Hu , M. E. Huber , C. Inserra , L. Izzo , J. Japelj , A. Jerkstrand , Z. P. Jin , P. G. Jonker , E. Kankare , D. A. Kann , M. Kennedy , S. Kim , S. Klose , E. C. Kool , R. Kotak , H. Kuncarayakti , G. P. Lamb , G. Leloudas , A. J. Levan , F. Longo , T. B. Lowe , J. D. Lyman , E. Magnier , K. Maguire , E. Maiorano , I. Mandel , M. Mapelli , S. Mattila , O. R. McBrien , A. Melandri , M. J. Michałowski , B. Milvang-Jensen , S. Moran , L. Nicastro , M. Nicholl , A. Nicuesa Guelbenzu , L. Nuttal , S. R. Oates , P. T. O'Brien , F. Onori , E. Palazzi , B. Patricelli , A. Perego , M. A. P. Torres , D. A. Perley , E. Pian , G. Pignata , S. Piranomonte , S. Poshyachinda , A. Possenti , M. L. Pumo , J. Quirola-Vásquez , F. Ragosta , G. Ramsay , A. Rau , A. Rest , T. M. Reynolds , S. S. Rosetti , A. Rossi , S. Rosswog , N. B. Sabha , A. Sagués Carracedo , O. S. Salafia , L. Salmon , R. Salvaterra , S. Savaglio , L. Sbordone , P. Schady , P. Schipani , A. S. B. Schultz , T. Schweyer , S. J. Smartt , K. W. Smith , M. Smith , J. Sollerman , S. Srivastav , E. R. Stanway , R. L. C. Starling , D. Steeghs , G. Stratta , C. W. Stubbs , N. R. Tanvir , V. Testa , E. Thrane , J. L. Tonry , M. Turatto , K. Ulaczyk , A. J. van der Horst , S. D. Vergani , N. A. Walton , D. Watson , K. Wiersema , K. Wiik , L. Wyrzykowski , S. Yang , S. -X. Yi , D. R. Young

Fast-transient Searches in Real Time with ZTFReST: Identification of Three Optically-discovered Gamma-ray Burst Afterglows and New Constraints on the Kilonova Rate

While optical surveys regularly discover slow transients like supernovae on their own, the most common way to discover extragalactic fast transients, fading away in a few nights, is via follow-up observations of gamma-ray burst and…

High Energy Astrophysical Phenomena · Physics 2021-09-29 Igor Andreoni , Michael W. Coughlin , Erik C. Kool , Mansi M. Kasliwal , Harsh Kumar , Varun Bhalerao , Ana Sagués Carracedo , Anna Y. Q. Ho , Peter T. H. Pang , Divita Saraogi , Kritti Sharma , Vedant Shenoy , Eric Burns , Tomás Ahumada , Shreya Anand , Leo P. Singer , Daniel A. Perley , Kishalay De , U. C. Fremling , Eric C. Bellm , Mattia Bulla , Arien Crellin-Quick , Tim Dietrich , Andrew Drake , Dmitry A. Duev , Ariel Goobar , Matthew J. Graham , David L. Kaplan , S. R. Kulkarni , Russ R. Laher , Ashish A. Mahabal , David L. Shupe , Jesper Sollerman , Richard Walters , Yuhan Yao

Electromagnetic transients as triggers in searches for gravitational waves from compact binary mergers

The detection of an electromagnetic transient which may originate from a binary neutron star merger can increase the probability that a given segment of data from the LIGO-Virgo ground-based gravitational-wave detector network contains a…

Instrumentation and Methods for Astrophysics · Physics 2013-06-27 Luke Zoltan Kelley , Ilya Mandel , Enrico Ramirez-Ruiz

GW231109_235456: A Sub-threshold Binary Neutron Star Merger in the LIGO-Virgo-KAGRA O4a Observing Run?

We present a subthreshold search for gravitational-wave inspirals from binary neutron stars using data from the first part of the fourth observing run of the LIGO-Virgo-KAGRA Collaboration. To enhance sensitivity to this targeted…

High Energy Astrophysical Phenomena · Physics 2026-01-19 Wanting Niu , Carl-Johan Haster , Jolien D. E. Creighton , Chad Hanna , Shomik Adhicary , Pratyusava Baral , Amanda Baylor , Bryce Cousins , Heather Fong , Yun-Jing Huang , Rachael Huxford , Prathamesh Joshi , James Kennington , Alvin K. Y. Li , Ryan Magee , Duncan Meacher , Cody Messick , Soichiro Morisaki , Cort Posnansky , Surabhi Sachdev , Shio Sakon , Urja Shah , Divya Singh , Ron Tapia , Leo Tsukada , Aaron Viets , Zach Yarbrough , Noah Zhang

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

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 for multimessenger astronomy. The black hole (BH) has a high…

High Energy Astrophysical Phenomena · Physics 2025-10-14 Keerthi Kunnumkai , Antonella Palmese , Mattia Bulla , Tim Dietrich , Amanda M. Farah , Peter T. H. Pang

Enabling Kilonova Science with Nancy Grace Roman Space Telescope

Binary neutron star mergers and neutron star-black hole mergers are multi-messenger sources that can be detected in gravitational waves and in electromagnetic radiation. The low electron fraction of neutron star merger ejecta favors the…

High Energy Astrophysical Phenomena · Physics 2023-10-05 Igor Andreoni , Michael W. Coughlin , Alexander W. Criswell , Mattia Bulla , Andrew Toivonen , Leo P. Singer , Antonella Palmese , E. Burns , Suvi Gezari , Mansi M. Kasliwal , R. Weizmann Kiendrebeogo , Ashish Mahabal , Takashi J. Moriya , Armin Rest , Dan Scolnic , Robert A. Simcoe , Jamie Soon , Robert Stein , Tony Travouillon