activity
20242026
most citedThe effect of mass loss in models of red supergiants in the Small Magellanic Cloud

23 citations · 71 across the 25 of their papers we have counts for

collaborators

27 papers

astro-ph.HE2026

Uncovering the Physical Origins of Black Holes in the Milky Way for Astronomical Surveys

Ilia Kiato, Pierson Lipschultz, Vicky Kalogera +5

The observational landscape of stellar-mass black holes (BHs) in the Milky Way is expanding beyond X-ray binaries, with Gaia DR4 and Roman expected to open new windows onto BH popu…

astro-ph.SR2026

From the Milky Way to the Early Universe: How Metallicity Shapes the Formation of Double Neutron Stars

Abhishek Chattaraj, Jeff J. Andrews, Monica Gallegos-Garcia +10

Among the compact binaries detected through gravitational wave (GW) emission, double neutron stars (DNSs) hold the unique distinction of having well-characterized local analogs in…

astro-ph.SR2026

Metallicity dependence of Wolf-Rayet binaries using detailed binary models: An absence of long-period systems at low metallicity

Max M. Briel, Eirini Kasdagli, Tassos Fragos +6

Observations of Wolf-Rayet (WR) stars in binaries in the SMC and LMC suggest a preference for short period ( days) orbits, with an apparent absence of WRs in long-peri…

astro-ph.HE2026

The Mass-Ratio Distribution of the Low-Mass Binary Black Hole Subpopulation: A Natural Outcome of Isolated Binary Evolution

Monica Gallegos-Garcia, Anarya Ray, Vicky Kalogera +7

The observed merging binary black hole population is increasingly consistent with being composed of a mixture of subpopulations, each likely the result of different formation mecha…

astro-ph.HE2026

High-mass binary black hole mergers from detailed binary evolution models

Max M. Briel, Olcay Bıyıklı, Tassos Fragos +10

Gravitational-wave observations reveal a population of binary black hole (BBH) mergers with primary masses above , extending into and potentially beyond…

astro-ph.HE2026

When the stars don't align: Investigating inconsistencies in binary black hole formation across population synthesis codes

Alexandra G. Guerrero, Michael Zevin, Duncan B. Maclean +4

Binary population synthesis (BPS) codes are valuable tools for investigating the end-to-end lives of binary stars as well as a myriad of observed astrophysical phenomena. Many ``ra…

astro-ph.GA2026

The JADES Transient Survey III: Linking Core-Collapse Supernova Rates to Cosmic Star Formation

Christian Vassallo, Seppo Mattila, Christa DeCoursey +24

We investigate how core-collapse supernova (CCSN) rates trace the star-formation rate densities (SFRDs) over the redshift range . For this we use new high-redshift r…

astro-ph.SR2026

Stellar Population Spectra Incorporating Detailed Binary Evolution using POSYDON

Eirini Kasdagli, Jeff J. Andrews, Bret Lehmer +9

The accuracy of stellar population properties inferred through spectral energy distribution fitting hinges on the reliability of the underlying spectral models. Binary interactions…

astro-ph.SR2026

Double Neutron Star Delay Times Across Cosmic Metallicities: The Role of Helium Star Progenitors

Abhishek Chattaraj, Jeff J. Andrews, Max Briel +5

Metallicity can play a significant role in massive binary evolution through its impact on the opacity within stellar interiors and wind-driven mass loss. In this work, we investiga…

astro-ph.SR2026

Irregularly Sampled Time Series Interpolation for Binary Evolution Simulations Using Dynamic Time Warping

Ugur Demir, Philipp M. Srivastava, Aggelos Katsaggelos +9

Binary stellar evolution simulations are computationally expensive. Stellar population synthesis relies on these detailed evolution models at a fundamental level. Producing thousan…

astro-ph.HE2026

Numerically stable equations for the orbital evolution of compact object binaries

Max M. Briel, Jeff J. Andrews

The orbital and eccentricity evolution for compact object binaries through gravitational wave emission first derived by Peters and Mathews are used extensively throughout the gravi…

astro-ph.HE2026

A case for Case A: detailed look at binary black hole formation through stable mass transfer

Max M. Briel, Tassos Fragos, Monica Gallegos-Garcia +8

In isolated binary evolution, binary black hole (BBH) mergers are generally formed through stable mass transfer (SMT) or common envelope evolution. In recent years, the SMT channel…

astro-ph.HE2026

A binary merger product as the direct progenitor of a Type II-P supernova

Zexi Niu, Ning-Chen Sun, Emmanouil Zapartas +16

Type II-P supernovae (SNe II-P) are the most common class of core-collapse SNe in the local Universe and play critical roles in many aspects of astrophysics. Since decades ago theo…

astro-ph.HE2025

HST Deep Upper Limits Rule Out a Surviving Massive Binary Companion to the Type Ic Supernova 2012fh

Benjamin F. Williams, Emmanouil Zapartas, Ori D. Fox +19

Current explanations of the mass-loss mechanism for stripped-envelope supernovae remain divided between single and binary progenitor systems. Here we obtain deep ultraviolet (UV) i…

astro-ph.SR2025

The power of binaries on stripped-envelope supernovae across metallicity: uniform progenitor parameter space and persistently low ejecta masses, but subtype diversity

D. Souropanis, E. Zapartas, T. Pessi +9

Stripped-envelope supernovae (SESNe) originate from massive stars that lose their envelopes through binary interactions or stellar winds. The connection between SESN subtypes and t…

astro-ph.SR2025★ 11 cited

The Demographics of Binary Companions to Stripped-Envelope Supernovae: Confronting Observations with Population Synthesis

E. Zapartas, O. D. Fox, J. Su +15

Stripped-envelope supernovae (SESNe) mark the deaths of massive stars without hydrogen-rich envelopes. Most SESNe likely originate from binary systems where a companion stripped th…

astro-ph.SR2025

Forming Double Neutron Stars using Detailed Binary Evolution Models with POSYDON: Comparison to the Galactic Systems

Abhishek Chattaraj, Jeff J. Andrews, Simone S. Bavera +14

With over two dozen detections in the Milky Way, double neutron stars (DNSs) provide a unique window into massive binary evolution. We use the POSYDON binary population synthesis c…

astro-ph.HE2025★ 6 cited

A new long gamma-ray burst formation pathway at solar metallicity

M. M. Briel, T. Fragos, O. S. Salafia +11

Context. Long gamma-ray bursts (LGRBs) are generally observed in low-metallicity environments. However, 10 to 20 per cent of LGRBs at redshift are associated with near-solar…

astro-ph.HE2024★ 2 cited

Challenges in Forming Millisecond Pulsar-Black Holes from Isolated Binaries

Camille Liotine, Vicky Kalogera, Jeff J. Andrews +12

Binaries harboring a millisecond pulsar (MSP) and a black hole (BH) are a key observing target for current and upcoming pulsar surveys. We model the formation and evolution of such…

astro-ph.SR2024

Mass Transfer in Eccentric Orbits with Self-consistent Stellar Evolution

Kyle Akira Rocha, Rachel Hur, Vicky Kalogera +12

We investigate Roche lobe overflow mass transfer (MT) in eccentric binary systems between stars and compact objects (COs), modeling the coupled evolution of both the star and the o…

astro-ph.SR2024

Irregularly Sampled Time Series Interpolation for Detailed Binary Evolution Simulations

Philipp M. Srivastava, Ugur Demir, Aggelos Katsaggelos +14

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 binaries, gamma-ray bursts,…

astro-ph.GA2024★ 4 cited

POSYDON Version 2: Population Synthesis with Detailed Binary-Evolution Simulations across a Cosmological Range of Metallicities

Jeff J. Andrews, Simone S. Bavera, Max Briel +21

Whether considering rare astrophysical events on cosmological scales or unresolved stellar populations, accurate models must account for the integrated contribution from the entire…

astro-ph.SR2024★ 15 cited

The Formation of Black Holes in Non-interacting, Isolated Binaries. Gaia Black Holes as Calibrators of Stellar Winds From Massive Stars

Matthias U. Kruckow, Jeff J. Andrews, Tassos Fragos +10

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 isolated binary evoluti…

astro-ph.SR2024★ 23 cited

The effect of mass loss in models of red supergiants in the Small Magellanic Cloud

E. Zapartas, S. de Wit, K. Antoniadis +16

The rate and mechanism of mass loss of red supergiants (RSGs) remain poorly understood, especially at low metallicities. Motivated by the new empirical prescription by Yang et al.…