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Related papers: The host galaxies of double compact objects across…

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We investigate the host galaxies of compact objects merging in the local Universe, by combining the results of binary population-synthesis simulations with the Illustris cosmological box. Double neutron stars (DNSs) merging in the local…

High Energy Astrophysical Phenomena · Physics 2018-10-17 Michela Mapelli , Nicola Giacobbo , Mattia Toffano , Emanuele Ripamonti , Alessandro Bressan , Mario Spera , Marica Branchesi

We investigate the properties of the host galaxies of compact binary mergers across cosmic time, by means of population-synthesis simulations combined with galaxy catalogues from the EAGLE suite. We analyze the merger rate per galaxy of…

Astrophysics of Galaxies · Physics 2020-01-08 M. Celeste Artale , Michela Mapelli , Yann Bouffanais , Nicola Giacobbo , Mario Spera , Mario Pasquato

Characterizing the properties of the host galaxies of merging compact objects provides essential clues to interpret current and future gravitational-wave detections. Here, we investigate the stellar mass, star formation rate (SFR),…

Six gravitational wave detections have been reported so far, providing crucial insights on the merger rate of double compact objects. We investigate the cosmic merger rate of double neutron stars (DNSs), neutron star-black hole binaries…

High Energy Astrophysical Phenomena · Physics 2018-07-04 Michela Mapelli , Nicola Giacobbo

The next generation ground-based gravitational wave interferometers will possibly observe mergers of binary black holes (BBHs) and binary neutron stars (BNSs) to redshift $z\gtrsim{}10$ and $z\gtrsim{}2$, respectively. Here, we characterize…

High Energy Astrophysical Phenomena · Physics 2019-05-08 Michela Mapelli , Nicola Giacobbo , Filippo Santoliquido , M. Celeste Artale

Compact object mergers are one of the favorite models of GRBs. It has been noted that in opposition to the collapsars, compact object mergers do not necessarily take place in the host galaxies, and may travel outside of them. With the…

Astrophysics · Physics 2016-08-30 Krzysztof Belczynski , Tomasz Bulik , Wojciech Zbijewski

The merger rate density evolution of binary compact objects and the properties of their host galaxies carry crucial information to understand the sources of gravitational waves. Here, we present galaxyRate, a new code that estimates the…

High Energy Astrophysical Phenomena · Physics 2022-09-29 Filippo Santoliquido , Michela Mapelli , M. Celeste Artale , Lumen Boco

Simulations of neutron star-black hole (NSBH) binaries generally consider black holes with masses in the range $(5-10)M_\odot$, where we expect to find most stellar mass black holes. The existence of lower mass black holes, however, cannot…

High Energy Astrophysical Phenomena · Physics 2019-06-05 F. Foucart , M. D. Duez , L. E. Kidder , S. Nissanke , H. P. Pfeiffer , M. A. Scheel

We investigate the properties of the host galaxies of compact binary mergers across cosmic time. To this end, we combine population synthesis simulations together with galaxy catalogues from the hydrodynamical cosmological simulation EAGLE…

Gravitational wave detectors are observing compact object mergers from increasingly far distances, revealing the redshift evolution of the binary black hole (BBH) -- and soon the black hole-neutron star (BHNS) and binary neutron star (BNS)…

High Energy Astrophysical Phenomena · Physics 2024-05-06 Adam Boesky , Floor S. Broekgaarden , Edo Berger

Gravitational waves produced from the merger of binary neutron stars (BNSs) are accompanied by electromagnetic counterparts, making it possible to identify the associated host galaxy. We explore how properties of the host galaxies relate to…

Astrophysics of Galaxies · Physics 2020-12-16 Susmita Adhikari , Maya Fishbach , Daniel E. Holz , Risa H. Wechsler , Zhanpei Fang

To test whether the short GRB rates, redshift distribution and host galaxies are consistent with current theoretical predictions, we use avery large database of population synthesis calculations to examine BH-NS and NS-NS merger rates in…

Astrophysics · Physics 2010-11-11 R. O'Shaughnessy , V. Kalogera , K. Belczynski

Nuclear star clusters surrounding supermassive black holes (SMBHs) in galactic nuclei contain large numbers of stars, black holes (BHs) and neutron stars (NSs), a fraction of which are likely to form binaries. These binaries were suggested…

Astrophysics of Galaxies · Physics 2019-06-19 Giacomo Fragione , Evgeni Grishin , Nathan W. C. Leigh , Hagai. B. Perets , Rosalba Perna

Young star clusters are likely the most common birthplace of massive stars across cosmic time and influence the formation of compact binaries in several ways. Here, we simulate the formation of black hole -- neutron star binaries (BHNSs) in…

High Energy Astrophysical Phenomena · Physics 2020-07-22 Sara Rastello , Michela Mapelli , Ugo N. Di Carlo , Nicola Giacobbo , Filippo Santoliquido , Mario Spera , Alessandro Ballone , Giuliano Iorio

We examine the formation of groups of multiple supermassive black holes (SMBHs) in gas-poor galactic nuclei due to the high merger rate of galaxies at high redshifts. We calculate the relative likelihood of binary, triple, and quadruple…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Girish Kulkarni , Abraham Loeb

We perform a systematic study of merging black hole (BH) binaries with compact star (CS) companions, including black hole--white dwarf (BH--WD), black hole--neutron star (BH--NS) and black hole--black hole (BH--BH) systems. Previous studies…

High Energy Astrophysical Phenomena · Physics 2021-10-27 Yong Shao , Xiang-Dong Li

Six gravitational wave events have been reported by the LIGO-Virgo collaboration (LVC), five of them associated with black hole binary (BHB) mergers and one with a double neutron star (DNS) merger, while the coalescence of a black…

High Energy Astrophysical Phenomena · Physics 2019-05-22 Nicola Giacobbo , Michela Mapelli

Supermassive black holes (BHs) and their host galaxies are interlinked by virtue of feedbacks and are thought to be co-eval across the Hubble time. This relation is highlighted by an approximate proportionality between the BH mass…

Astrophysics of Galaxies · Physics 2020-04-01 Evgenii O. Vasiliev , Yuri A. Shchekinov , Biman B. Nath

Massive black hole binaries (MBHBs) produce gravitational waves (GWs) that are detectable with pulsar timing arrays. We determine the properties of the host galaxies of simulated MBHBs at the time they are producing detectable GW signals.…

Astrophysics of Galaxies · Physics 2025-01-28 Katharine Cella , Stephen R. Taylor , Luke Zoltan Kelley

Studying compact-object binary mergers in star clusters is crucial for understanding stellar evolution and dynamical interactions in galaxies. Open clusters in particular are more abundant over cosmic time than globular clusters, however,…

Solar and Stellar Astrophysics · Physics 2025-08-25 Savannah Cary , Michiko Fujii , Long Wang , Ataru Tanikawa
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