activity
20152026
most citedThe 'hidden' companion in LB-1 unveiled by spectral disentangling

132 citations · 1.5k across the 59 of their papers we have counts for

collaborators
Showing astro-ph.SRShow all

55 papers · 1 filter

astro-ph.SR2026

Binarity at LOw Metallicity (BLOeM): massive star variability revealed using a novel software tool for point-spread function fitting of TESS images

Pieterjan J. Van Daele, Dominic M. Bowman, Roey Ovadia +12

Massive stars, the progenitors of neutron stars and black holes, play a crucial role in shaping the chemical and radiative properties of entire galaxies through their winds and exp…

astro-ph.SR2026

Population synthesis of Be X-ray binaries in the Small Magellanic Cloud: Angular momentum recycling and stable mass transfer

Víctor López Oller, Boyuan Liu, Michela Mapelli +5

Be X-ray binaries (BeXRBs) are key laboratories to constrain binary interaction processes such as mass transfer, angular-momentum transport, and natal kicks. The Small Magellanic C…

astro-ph.SR2026★ 2 cited

Ultraviolet spectroscopy reveals a hot and luminous companion to the Be star+black hole candidate MWC 656

Johanna Müller-Horn, Varsha Ramachandran, Kareem El-Badry +11

The Galactic Be star binary MWC 656 was long considered the only known Be star+black hole (BH) system, making it a critical benchmark for models of massive binary evolution and for…

astro-ph.SR2025

The Triple System V1371 Tau: An Eclipsing Binary with an Outer Be Star

Danilo F. Rocha, Marcelo Emilio, Jonathan Labadie-Bartz +10

Although triple systems are common, their orbital dynamics and stellar evolution remain poorly understood. We investigated the V1371 Tau system using TESS photometry, multi-epoch s…

astro-ph.SR2025

HR6819: a puffed-up stripped star system challenging stable mass transfer theory

A. Picco, P. Marchant, H. Sana +8

HR6819 is the first system with a puffed-up low mass stripped star and a classical Be star whose nature has been confirmed by optical interferometry. It shows the most extreme mass…

astro-ph.SR2025★ 22 cited

A high fraction of close massive binary stars at low metallicity

H. Sana, T. Shenar, J. Bodensteiner +74

At high metallicity, a majority of massive stars have at least one close stellar companion. The evolution of such binaries is subject to strong interaction processes, heavily impac…

astro-ph.SR2025

Astrophotometric search for massive stars in the Milky way. Confronting Random Forest predictions with available spectroscopy

N. Monsalves, A. Bayo, M. Jaque Arancibia +4

Massive stars play a significant role in different branches of astronomy, from shaping the processes of star and planet formation to influencing the evolution and chemical enrichme…

astro-ph.SR2025

Binarity at LOw Metallicity (BLOeM): Pipeline-Determined Physical Properties of OB Stars

J. M. Bestenlehner, Paul A. Crowther, V. A. Bronner +8

We aim to determine the physical properties of OB stars from the multi-epoch VLT/FLAMES BLOeM spectroscopic survey of the Small Magellanic Cloud. We apply a pipeline designed to an…

astro-ph.SR2025

Characterisation of B-type stars in four young Galactic open clusters. I. Stellar content and binary properties

Federica Nardini, Julia Bodensteiner, Hugues Sana +3

Multiplicity among massive stars represents a major uncertainty in stellar evolution theory, because the extra physical processes that it introduces significantly impacts each star…

astro-ph.SR2025★ 9 cited

An interferometric study of B star multiplicity

A. J. Frost, H. Sana, J-B Le Bouquin +7

Massive stars can have extreme effects on their environments from local to galactic scales. While O star multiplicity has been studied over a broad separation range (to the point w…

astro-ph.SR2025★ 4 cited

Binarity at LOw Metallicity (BLOeM): Bayesian inference of natal kicks from inert black hole binaries

R. Willcox, P. Marchant, A. Vigna-Gómez +15

Context. The emerging population of inert black hole binaries (BHBs) provides a unique opportunity to constrain black hole (BH) formation physics. These systems are composed of a s…

astro-ph.SR2025★ 6 cited

HIP 15429: A newborn Be star on an eccentric binary orbit

Johanna Müller-Horn, Kareem El-Badry, Hans-Walter Rix +9

We identified a new post-interaction binary, HIP 15429, consisting of a stripped star and a recently formed, rapidly rotating Be star companion ( km/s) sharin…

astro-ph.SR2025

The highly magnetic Wolf-Rayet binary HD 45166 resolved with VLTI/GRAVITY

K. Deshmukh, T. Shenar, A. Mérand +9

HD 45166 was recently reported to be a long-period binary comprising a B7V star and a highly magnetic (kG) hot Wolf-Rayet-like component, dubbed a…

astro-ph.SR2025★ 14 cited

Binarity at LOw Metallicity (BLOeM): Enhanced multiplicity of early B-type dwarfs and giants at

J. I. Villaseñor, H. Sana, L. Mahy +32

Early B-type stars ( M) are frequently in multiple systems, as evidenced by spectroscopic campaigns in the Milky Way (MW) and the Large Magellanic Cloud (LMC). Pr…

astro-ph.SR2025

Using detailed single star and binary evolution models to probe the large observed luminosity spread of red supergiants in young open star clusters

Chen Wang, Lee Patrick, Abel Schootemeijer +12

Red supergiants (RSGs) represent a late evolutionary stage of massive stars. Recent observations reveal that the observed luminosity range of RSGs in young open clusters is wider t…

astro-ph.SR2025★ 14 cited

Binarity at LOw Metallicity (BLOeM): The multiplicity properties and evolution of BAF-type supergiants

L. R. Patrick, D. J. Lennon, F. Najarro +36

Given the uncertain evolutionary status of blue supergiant stars, their multiplicity properties hold vital clues to better understand their origin and evolution. As part of The Bin…

astro-ph.SR2025★ 17 cited

Binarity at Low Metallicity (BLOeM) -- Multiplicity properties of Oe and Be stars

J. Bodensteiner, T. Shenar, H. Sana +40

Rapidly rotating classical OBe stars have been proposed as the products of binary interactions, and the fraction of Be stars with compact companions implies that at least some are.…

astro-ph.SR2025★ 9 cited

Binarity at LOw Metallicity (BLOeM): Multiplicity of early B-type supergiants in the Small Magellanic Cloud

N. Britavskiy, L. Mahy, D. J. Lennon +32

The blue supergiant (BSG) domain contains a large variety of stars whose past and future evolutionary paths are still highly uncertain. Since binary interaction plays a crucial rol…

astro-ph.SR2025

VLTI/GRAVITY enables the determination of the first dynamical masses of a classical Be + stripped and bloated pre-subdwarf binary

R. Klement, Th. Rivinius, D. Baade +7

HR~6819 is the first post-mass transfer binary system composed of a classical Be star and a bloated pre-subdwarf stripped star directly confirmed by interferometry. While the Be st…

astro-ph.SR2024★ 14 cited

Investigating 39 Galactic Wolf-Rayet stars with VLTI/GRAVITY: Uncovering A Long Period Binary Desert

K. Deshmukh, H. Sana, A. Mérand +16

Wolf-Rayet stars (WRs) are one of the final evolutionary stages of massive stars and immediate progenitors of stellar-mass black holes. Their multiplicity forms an important anchor…

astro-ph.SR2024

Stripped helium-star and compact object binaries in coeval populations -- predictions based on detailed binary evolution models

Chen Wang, Julia Bodensteiner, Xiao-Tian Xu +9

Massive stars mainly form in close binaries, where their mutual interactions can profoundly alter their evolutionary paths. Evolved binaries consisting of a massive OB-type main-se…

astro-ph.SR2024★ 37 cited

Binarity at LOw Metallicity (BLOeM): a spectroscopic VLT monitoring survey of massive stars in the SMC

T. Shenar, J. Bodensteiner, H. Sana +74

Surveys in the Milky Way and Large Magellanic Cloud revealed that the majority of massive stars will interact with companions during their lives. However, knowledge of the binary p…

astro-ph.SR2023★ 3 cited

The Evolution of Massive Binary Stars

Pablo Marchant, Julia Bodensteiner

Massive stars play a major role in the evolution of their host galaxies, and serve as important probes of the distant Universe. It has been established that the majority of massive…

astro-ph.SR2023★ 21 cited

The young massive SMC cluster NGC 330 seen by MUSE III. Stellar parameters and rotational velocities

J. Bodensteiner, H. Sana, P. L. Dufton +11

The origin of initial rotation rates of stars, and how a star's surface rotational velocity changes during the evolution, either by internal angular momentum transport or due to in…