Related papers: Kilonova Luminosity Function Constraints based on …

The Gravity Collective: A Comprehensive Analysis of the Electromagnetic Search for the Binary Neutron Star Merger GW190425

We present an ultraviolet-to-infrared search for the electromagnetic (EM) counterpart to GW190425, the second-ever binary neutron star (BNS) merger discovered by the LIGO-Virgo-KAGRA Collaboration (LVK). GW190425 was more distant and had a…

High Energy Astrophysical Phenomena · Physics 2024-04-25 D. A. Coulter , C. D. Kilpatrick , D. O. Jones , R. J. Foley , A. V. Filippenko , W. Zheng , J. J. Swift , G. S. Rahman , H. E. Stacey , A. L. Piro , C. Rojas-Bravo , J. Anais Vilchez , N. Muñoz-Elgueta , I. Arcavi , G. Dimitriadis , M. R. Siebert , J. S. Bloom , M. J. Bustamante-Rosell , K. E. Clever , K. W. Davis , J. Kutcka , P. Macias , P. McGill , P. J. Quiñonez , E. Ramirez-Ruiz , K. Siellez , S. Tinyanont , S. B. Cenko , M. R. Drout , R. Hausen , W. V. Jacobson-Galán , D. Andrew Howell , D. Kasen , C. McCully , A. Rest , K. Taggart , S. Valenti

Optical follow-up of the neutron star-black hole mergers S200105ae and S200115j

LIGO and Virgo's third observing run (O3) revealed the first neutron star-black hole (NSBH) merger candidates in gravitational waves. These events are predicted to synthesize r-process elements creating optical/near-IR "kilonova" (KN)…

High Energy Astrophysical Phenomena · Physics 2020-09-16 Shreya Anand , Michael W. Coughlin , Mansi M. Kasliwal , Mattia Bulla , Tomás Ahumada , Ana Sagués Carracedo , Mouza Almualla , Igor Andreoni , Robert Stein , Francois Foucart , Leo P. Singer , Jesper Sollerman , Eric C. Bellm , Bryce Bolin , M. D. Caballero-García , Alberto J. Castro-Tirado , S. Bradley Cenko , Kishalay De , Richard G. Dekany , Dmitry A. Duev , Michael Feeney , Christoffer Fremling , Daniel A. Goldstein , V. Zach Golkhou , Matthew J. Graham , Nidhal Guessoum , Matthew J. Hankins , Youdong Hu , Albert K. H. Kong , Erik C. Kool , S. R. Kulkarni , Harsh Kumar , Russ R. Laher , Frank J. Masci , Przemek Mróz , Samaya Nissanke , Michael Porter , Simeon Reusch , Reed Riddle , Philippe Rosnet , Ben Rusholme , Eugene Serabyn , R. Sánchez-Ramírez , Mickael Rigault , David L. Shupe , Roger Smith , Maayane T. Soumagnac , Richard Walters , Azamat F. Valeev

Constraints Based on Non-detection of Kilonova Optical Searching

Mergers of binary neutron stars are multimessenger sources of gravitational waves that have an optical luminous counterpart, commonly referred to as 'kilonova'. Inspired by the detection of GW170817, intensive searches have been conducted…

High Energy Astrophysical Phenomena · Physics 2023-08-23 Runduo Liang , Zhengyan Liu , Lei Lei , Wen Zhao

GROWTH on S190426c. II. Real-Time Search for a Counterpart to the Probable Neutron Star-Black Hole Merger using an Automated Difference Imaging Pipeline for DECam

The discovery of a transient kilonova following the gravitational-wave event GW170817 highlighted the critical need for coordinated rapid and wide-field observations, inference, and follow-up across the electromagnetic spectrum. In the…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Daniel A. Goldstein , Igor Andreoni , Peter E. Nugent , Mansi M. Kasliwal , Michael W. Coughlin , Shreya Anand , Joshua S. Bloom , Jorge Martínez-Palomera , Keming Zhang , Tomás Ahumada , Ashot Bagdasaryan , Jeff Cooke , Kishalay De , Dmitry A. Duev , U. Christoffer Fremling , Pradip Gatkine , Matthew Graham , Eran O. Ofek , Leo P. Singer , Lin Yan

Designing an Optimal Kilonova Search using DECam for Gravitational Wave Events

We address the problem of optimally identifying all kilonovae detected via gravitational wave emission in the upcoming LIGO/Virgo/KAGRA Collaboration observing run, O4, which is expected to be sensitive to a factor of $\sim 7$ more Binary…

High Energy Astrophysical Phenomena · Physics 2023-11-02 C. R. Bom , J. Annis , A. Garcia , A. Palmese , N. Sherman , M. Soares-Santos , L. Santana-Silva , R. Morgan , K. Bechtol , T. Davis , H. T. Diehl , S. S. Allam , T. G. Bachmann , B. M. O. Fraga , J. Garcıa-Bellido , M. S. S. Gill , K. Herner , C. D. Kilpatrick , M. Makler , F. Olivares E. , M. E. S. Pereira , J. Pineda , A. Santos , D. L. Tucker , M. P. Wiesner , M. Aguena , O. Alves , D. Bacon , P. H. Bernardinelli , E. Bertin , S. Bocquet , D. Brooks , M. Carrasco Kind , J. Carretero , C. Conselice , M. Costanzi , L. N. da Costa , J. De Vicente , S. Desai , P. Doel , S. Everett , I. Ferrero , J. Frieman , M. Gatti , D. W. Gerdes , D. Gruen , R. A. Gruendl , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , P. Melchior , J. Mena-Fernandez , F. Menanteau , A. Pieres , A. A. Plazas Malagon , M. Raveri , M. Rodriguez-Monroy , E. Sanchez , B. Santiago , I. Sevilla-Noarbe , M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , C. To , N. Weaverdyck

Constraints on the Physical Properties of GW190814 through Simulations based on DECam Follow-up Observations by the Dark Energy Survey

On 14 August 2019, the LIGO and Virgo Collaborations detected gravitational waves from a black hole and a 2.6 solar mass compact object, possibly the first neutron star -- black hole (NSBH) merger. In search of an optical counterpart, the…

High Energy Astrophysical Phenomena · Physics 2022-05-23 R. Morgan , M. Soares-Santos , J. Annis , K. Herner , A. Garcia , A. Palmese , A. Drlica-Wagner , R. Kessler , J. Garcia-Bellido , T. G. Bachmann N. Sherman , S. Allam , K. Bechtol , C. R. Bom , D. Brout , R. E. Butler , M. Butner , R. Cartier , H. Chen , C. Conselice , E. Cook , T. M. Davis , Z. Doctor , B. Farr , A. L. Figueiredo , D. A. Finley , R. J. Foley , J. Y. Galarza , M. S. S. Gill , R. A. Gruendl , D. E. Holz , N. Kuropatkin , C. Lidman , H. Lin , U. Malik , A. W. Mann , J. Marriner , J. L. Marshall , C. E. Martinez-Vazquez , N. Meza , E. Neilsen , C. Nicolaou , F. Olivares E. , F. Paz-Chinchon , S. Points , J. Quirola , O. Rodriguez , M. Sako , D. Scolnic , M. Smith , F. Sobreira , D. L. Tucker , A. K. Vivas , M. Wiesner , M. L. Wood , B. Yanny , A. Zenteno , 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 , L. N. da Costa , M. Costanzi , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , T. F. Eifler , S. Everett , B. Flaugher , J. Frieman , E. Gaztanaga , D. W. Gerdes , D. Gruen , J. Gschwend , G. Gutierrez , W. G. Hartley , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , K. Kuehn , O. Lahav , M. Lima , M. A. G. Maia , M. March , R. Miquel , R. L. C. Ogando , A. A. Plazas , A. Roodman , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , E. Suchyta , G. Tarle

Kilonova Detectability with Wide-Field Instruments

Kilonovae are ultraviolet, optical, and infrared transients powered by the radioactive decay of heavy elements following a neutron star merger. Joint observations of kilonovae and gravitational waves can offer key constraints on the source…

High Energy Astrophysical Phenomena · Physics 2022-03-30 Eve A. Chase , Brendan O'Connor , Christopher L. Fryer , Eleonora Troja , Oleg Korobkin , Ryan T. Wollaeger , Marko Ristic , Christopher J. Fontes , Aimee L. Hungerford , Angela M. Herring

A Comprehensive Study of Detectability and Contamination in Deep Rapid Optical Searches for Gravitational Wave Counterparts

The first direct detection of gravitational waves (GW) by the ground-based interferometers is expected to occur within the next few years. These interferometers will detect the mergers of compact object binaries composed of neutron stars…

Instrumentation and Methods for Astrophysics · Physics 2016-06-15 P. S. Cowperthwaite , E. Berger

An empirical limit on the kilonova rate from the DLT40 one day cadence Supernova Survey

Binary neutron star mergers are important to understand stellar evolution, the chemical enrichment of the universe via the r-process, the physics of short gamma-ray bursts, gravitational waves and pulsars. The rates at which these…

High Energy Astrophysical Phenomena · Physics 2018-01-25 Sheng Yang , Stefano Valenti , Enrico Cappellaro , David J. Sand , Leonardo Tartaglia , Alessandra Corsi , Daniel E. Reichart , Joshua Haislip , Vladimir Kouprianov

Follow-up of the Neutron Star Bearing Gravitational Wave Candidate Events S190425z and S190426c with MMT and SOAR

On 2019 April 25.346 and 26.640 UT the LIGO and Virgo gravitational wave (GW) observatories announced the detection of the first candidate events in Observing Run 3 that contain at least one neutron star. S190425z is a likely binary neutron…

High Energy Astrophysical Phenomena · Physics 2019-07-22 G. Hosseinzadeh , P. S. Cowperthwaite , S. Gomez , V. A. Villar , M. Nicholl , R. Margutti , E. Berger , R. Chornock , K. Paterson , W. Fong , V. Savchenko , P. Short , K. D. Alexander , P. K. Blanchard , J. Braga , M. L. Calkins , R. Cartier , D. L. Coppejans , T. Eftekhari , T. Laskar , C. Ly , L. Patton , I. Pelisoli , D. Reichart , G. Terreran , P. K. G. Williams

A Search for Kilonovae in the Dark Energy Survey

The coalescence of a binary neutron star (BNS) pair is expected to produce gravitational waves (GW) and electromagnetic (EM) radiation, both of which may be detectable with currently available instruments. We describe a search for a…

High Energy Astrophysical Phenomena · Physics 2017-03-13 Z. Doctor , R. Kessler , H. Y. Chen , B. Farr , D. A. Finley , R. J. Foley , D. A. Goldstein , D. E. Holz , A. G. Kim , E. Morganson , M. Sako , D. Scolnic , M. Smith , M. Soares-Santos , H. Spinka , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , K. Bechtol , A. Benoit-Levy , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , C. E. Cunha , C. B. DAndrea , L. N. da Costa , D. L. DePoy , S. Desai , H. T. Diehl , A. Drlica-Wagner , T. F. Eifler , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , R. A. Gruendl , J. Gschwend , G. Gutierrez , D. J. James , E. Krause , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , M. A. G. Maia , M. March , J. L. Marshall , F. Menanteau , R. Miquel , E. Neilsen , R. C. Nichol , B. Nord , A. A. Plazas , A. K. Romer , E. Sanchez , V. Scarpine , M. Schubnell , I. Sevilla-Noarbe , R. C. Smith , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , A. R. Walker , W. Wester

Strategy for identifying Vera C. Rubin Observatory kilonova candidates for targeted gravitational-wave searches

Since the observation of the binary neutron star merger GW170817 and the associated kilonova AT2017gfo, the next joint gravitational-wave/optical kilonova has been highly anticipated. Overlapping observations between the Vera C. Rubin…

High Energy Astrophysical Phenomena · Physics 2025-11-26 Simon Stevenson , Anais Möller , Jade Powell

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

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 and followed-up by more than fifty instruments since the start…

High Energy Astrophysical Phenomena · Physics 2025-11-11 M. Pillas , S. Antier , K. Ackley , T. Ahumada , D. Akl , L. de Almeida , S. Anand , C. Andrade , I. Andreoni , K. A. Bostroem , M. Bulla , E. Burns , T. Cabrera , S. Chang , H. Choi , B. O'Connor , M. W. Coughlin , W. Corradi , A. R. Gibbs , T. Dietrich , D. Dornic , J. -G. Ducoin , P. -A. Duverne , M. Dyer , H. -B. Eggenstein , M. Freeberg , M. Fausnaugh , W. Fong , F. Foucart , D. Frostig , N. Guessoum , V. Gupta , P. Hello , G. Hosseinzadeh , L. Hu , T. Hussenot-Desenonges , M. Im , R. Jayaraman , M. Jeong , V. Karambelkar , S. Karpov , M. Kasliwal , C. D. Kilpatrick , S. Kim , N. Kochiashvili , K. Kunnumkai , M. Lamoureux , C. U. Lee , N. Lourie , J. Lyman , F. Magnani , M. Masek , G. Mo , M. Molham , F. Navarete , D. O'Neill , M. Nicholl , A. H. Nitz , K. Noysena , G. S. H. Paek , A. Palmese , R. Poggiani , T. Pradier , O. Pyshna , Y. Rajabov , J. C. Rastinejad , D. J. Sand , P. Shawhan , M. Shrestha , R. Simcoe , S. J. Smartt , D. Steeghs , R. Stein , H. F. Stevance , M. Sun , A. Takey , A. Toivonen , D. Turpin , K. Ulaczyk , A. Wold , T. Wouters

Photometric prioritization of neutron star merger candidates

Rapid identification of the optical counterparts of Neutron Star (NS) merger events discovered by gravitational wave detectors may require observing a large error region and sifting through a large number of transients to identify the…

High Energy Astrophysical Phenomena · Physics 2023-11-09 E. O. Ofek , N L. Strotjohann , I. Arcavi , A. Gal-Yam , D. Kushnir , E. Waxman , M. M. Kasliwal , A. Drake , M. Graham , J. Purdum , B. Rusholme , Y. Sharma , R. Smith , A. Wold , B. F. Healy

Kilonovae

The coalescence of double neutron star (NS-NS) and black hole (BH)-NS binaries are prime sources of gravitational waves (GW) for Advanced LIGO/Virgo and future ground-based detectors. Neutron-rich matter released from such events undergo…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Brian D. Metzger

A Deep CFHT Optical Search for a Counterpart to the Possible Neutron Star -- Black Hole Merger GW190814

We present a wide-field optical imaging search for electromagnetic counterparts to the likely neutron star - black hole (NS-BH) merger GW190814/S190814bv. This compact binary merger was detected through gravitational waves by the LIGO/Virgo…

High Energy Astrophysical Phenomena · Physics 2020-06-10 Nicholas Vieira , John J. Ruan , Daryl Haggard , Maria R. Drout , Melania C. Nynka , Hope Boyce , Kristine Spekkens , Samar Safi-Harb , Raymond G. Carlberg , Rodrigo Fernández , Anthony L. Piro , Niloufar Afsariardchi , Dae-Sik Moon

Predictions for Electromagnetic Counterparts to Neutron Star Mergers Discovered during LIGO-Virgo-KAGRA Observing Runs 4 and 5

We present a comprehensive, configurable open-source framework for estimating the rate of electromagnetic detection of kilonovae (KNe) associated with gravitational wave detections of binary neutron star (BNS) mergers. We simulate the…

High Energy Astrophysical Phenomena · Physics 2023-11-30 Ved G. Shah , Gautham Narayan , Haille M. L. Perkins , Ryan J. Foley , Deep Chatterjee , Bryce Cousins , Phillip Macias

The Potential of Coordinated Gravitational-Wave Followup for Improving Kilonova Detection Prospects: Lessons from GW190425

The discovery of a kilonova associated with the GW170817 binary neutron star merger had far-reaching implications for our understanding of several open questions in physics and astrophysics. Unfortunately, since then, only one robust binary…

High Energy Astrophysical Phenomena · Physics 2025-04-14 Ido Keinan , Iair Arcavi

Searching for Electromagnetic Counterparts to Gravitational-wave Merger Events with the Prototype Gravitational-wave Optical Transient Observer (GOTO-4)

We report the results of optical follow-up observations of 29 gravitational-wave triggers during the first half of the LIGO-Virgo Collaboration (LVC) O3 run with the Gravitational-wave Optical Transient Observer (GOTO) in its prototype…

High Energy Astrophysical Phenomena · Physics 2020-07-29 B. P. Gompertz , R. Cutter , D. Steeghs , D. K. Galloway , J. Lyman , K. Ulaczyk , M. J. Dyer , K. Ackley , V. S. Dhillon , P. T. O'Brien , G. Ramsay , S. Poshyachinda , R. Kotak , L. Nuttall , R. P. Breton , E. Pallé , D. Pollacco , E. Thrane , S. Aukkaravittayapun , S. Awiphan , M. J. I. Brown , U. Burhanudin , P. Chote , A. A. Chrimes , E. Daw , C. Duffy , R. A. J. Eyles-Ferris , T. Heikkilä , P. Irawati , M. R. Kennedy , T. Killestein , A. J. Levan , S. Littlefair , L. Makrygianni , T. Marsh , D. Mata Sánchez , S. Mattila , J. Maund , J. McCormac , D. Mkrtichian , Y. -L. Mong , J. Mullaney , B. Müller , A. Obradovic , E. Rol , U. Sawangwit , E. R. Stanway , R. L. C. Starling , P. Strøm , S. Tooke , R. West , K. Wiersema

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

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 mass component. Using the Dark Energy Camera (DECam), the…

High Energy Astrophysical Phenomena · Physics 2026-05-12 Xander J. Hall , Tomas Ahumada , Julius Gassert , Antonella Palmese , Brian D. Metzger , Mansi M. Kasliwal , Mattia Bulla , Daniel Gruen , Robert Stein , Christoffer Fremling , Shreya Anand , Igor Andreoni , Malte Busmann , Tomás Cabrera , Ryan Christinzio , James Freeburn , Ignacio Magaña Hernandez , Lei Hu , Brendan O'Connor , Ji-an Jiang , Zhengyan Liu , Wen Zhao , Eric C. Bellm , David Cook , Michael W. Coughlin , Richard Dekany , Matthew Graham , Russ R. Laher