Search Results - "Srivastava, Philipp M."
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POSYDON: A General-purpose Population Synthesis Code with Detailed Binary-evolution Simulations
Published in The Astrophysical journal. Supplement series (01-02-2023)“…Abstract Most massive stars are members of a binary or a higher-order stellar system, where the presence of a binary companion can decisively alter their…”
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To Be or Not To Be: The Role of Rotation in Modeling Galactic Be X-Ray Binaries
Published in The Astrophysical journal (01-08-2024)“…Abstract Be X-ray binaries (Be-XRBs) are one of the largest subclasses of high-mass X-ray binaries, comprised of a rapidly rotating Be star and neutron star…”
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Investigating the Lower Mass Gap with Low-mass X-Ray Binary Population Synthesis
Published in The Astrophysical journal (01-09-2023)“…Abstract Mass measurements from low-mass black hole X-ray binaries (LMXBs) and radio pulsars have been used to identify a gap between the most massive neutron…”
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A Black Hole Kicked at Birth: MAXI J1305-704
Published in Astrophysical journal. Letters (01-08-2023)“…Abstract When a compact object is formed in a binary, any mass lost during core collapse will impart a kick on the binary’s center of mass. Asymmetries in this…”
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The formation of merging black holes with masses beyond 30 M⊙ at solar metallicity
Published in Nature astronomy (01-09-2023)“…Gravitational-wave astronomy has revealed a population of stellar-mass black holes more massive than observed previously by other means. The maximum mass of…”
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Irregularly Sampled Time Series Interpolation for Detailed Binary Evolution Simulations
Published 04-11-2024“…Modeling of large populations of binary stellar systems is an intergral part of a many areas of astrophysics, from radio pulsars and supernovae to X-ray…”
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Mass-gap Black Holes in Coalescing Neutron Star Black Hole Binaries
Published 27-10-2024“…The existence of a mass gap of $3-5\,M_{\odot}$ between the heaviest neutron stars (NSs) and the lightest black holes (BHs), inferred from the BH mass…”
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The Formation of Black Holes in Non-interacting, Isolated Binaries. Gaia Black Holes as Calibrators of Stellar Winds From Massive Stars
Published 24-10-2024“…Context. The black holes discovered using Gaia, especially Gaia BH1 and BH2, have low mass companions of solar-like metallicity in wide orbits. For standard…”
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Emulators for stellar profiles in binary population modeling
Published 14-10-2024“…Knowledge about the internal physical structure of stars is crucial to understanding their evolution. The novel binary population synthesis code POSYDON…”
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10
To Be or not to Be: the role of rotation in modeling Galactic Be X-ray Binaries
Published 23-08-2024“…Be X-ray binaries (Be-XRBs) are one of the largest subclasses of high-mass X-ray binaries, comprised of a rapidly rotating Be star and neutron star companion…”
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Formation of Wind-Fed Black Hole High-mass X-ray Binaries: The Role of Roche-lobe-Overflow Post Black-Hole Formation
Published 28-06-2024“…The three dynamically confirmed wind-fed black hole high-mass X-ray binaries (BH-HMXBs) are suggested to all contain a highly spinning black hole (BH)…”
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Exploring the nature of ultra-luminous X-ray sources across stellar population ages using detailed binary evolution calculations
Published 20-12-2023“…A&A 682, A69 (2024) Ultra-luminous X-ray sources (ULXs) are sources observed to exceed the Eddington limit of a stellar-mass black hole (BH). A fraction of ULX…”
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POSYDON Version 2: Population Synthesis with Detailed Binary-Evolution Simulations across a Cosmological Range of Metallicities
Published 04-11-2024“…Whether considering rare astrophysical events on cosmological scales or unresolved stellar populations, accurate models must account for the integrated…”
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From ZAMS to Merger: Detailed Binary Evolution Models of Coalescing Neutron Star-Black Hole Systems at Solar Metallicity
Published 18-09-2023“…Neutron star $-$ black hole (NSBH) merger events bring us new opportunities to constrain theories of stellar and binary evolution, and understand the nature of…”
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X-ray luminosity function of high-mass X-ray binaries: Studying the signatures of different physical processes using detailed binary evolution calculations
Published 14-03-2023“…A&A 672, A99 (2023) The ever-expanding observational sample of X-ray binaries (XRBs) makes them excellent laboratories for constraining binary evolution…”
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The formation of $30\,M_\odot$ merging black holes at solar metallicity
Published 21-12-2022“…The maximum mass of black holes formed in isolated binaries is determined by stellar winds and the interactions between the binary components. We consider for…”
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17
Investigating the Lower Mass Gap with Low Mass X-ray Binary Population Synthesis
Published 14-09-2022“…Mass measurements from low-mass black hole X-ray binaries (LMXBs) and radio pulsars have been used to identify a gap between the most massive neutron stars…”
Get full text
Journal Article -
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POSYDON: A General-Purpose Population Synthesis Code with Detailed Binary-Evolution Simulations
Published 07-08-2022“…Most massive stars are members of a binary or a higher-order stellar systems, where the presence of a binary companion can decisively alter their evolution via…”
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