activity
20092026
most citedThe Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products

133 citations · 2.9k across the 93 of their papers we have counts for

collaborators

93 papers

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★ 5 cited

Binarity at LOw Metallicity (BLOeM): Projected rotational velocities

D. J. Lennon, S. R. Berlanas, A. Herrero +36

The Binarity at LOw Metallicity (BLOeM) survey is an ESO large programme designed to obtain multi-epoch spectroscopy for 929 massive stars in the Small Magellanic Cloud (SMC). It w…

astro-ph.SR2025★ 5 cited

Interacting binaries on the Main Sequence as in-situ tracers of mass transfer efficiency and stability

Koushik Sen, Mathieu Renzo, Harim Jin +8

Understanding the transfer of mass and angular momentum in binary interactions is crucial for modelling the evolution of any interacting binary after the first mass transfer phase.…

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★ 7 cited

X-Shooting ULLYSES: massive stars at low metallicity: XII. The clumped winds of O-type (super)giants in the Large Magellanic Cloud

Sarah A. Brands, Frank Backs, Alex de Koter +23

Mass loss governs the evolution of massive stars and shapes the stellar surroundings. To quantify the impact of the stellar winds we need to know the exact mass-loss rates; however…

astro-ph.SR2024

Basic stellar observables

Laurent Mahy

Physical properties of stars such as luminosity, surface temperature, distance, or mass are measured from observations. These physical properties are of paramount importance to und…

astro-ph.SR2024

X-Shooting ULLYSES: Massive stars at low metallicity VI. Atmosphere and mass-loss properties of O-type giants in the Small Magellanic Cloud

Frank Backs, S. A. Brands, A. de Koter +21

Mass loss through a stellar wind is an important physical process that steers the evolution of massive stars and controls the properties of their end-of-life products, such as the…

astro-ph.SR2024★ 20 cited

Two waves of massive stars running away from the young cluster R136

Mitchel Stoop, Alex de Koter, Lex Kaper +10

Massive stars are predominantly born in stellar associations or clusters. Their radiation fields, stellar winds, and supernovae strongly impact their local environment. In the firs…

astro-ph.SR2024

Constraining the overcontact phase in massive binary evolution -- III. Period stability of known B+B and O+B overcontact systems

Jasmine Vrancken, Michael Abdul-Masih, Ana Escorza +3

Binary systems play a crucial role in massive star evolution. Systems composed of B-type and O-type stars are of particular interest due to their potential to lead to very energeti…

astro-ph.SR2024★ 1 cited

Low-mass stellar and substellar candidate companions around massive stars in Sco OB1 and M17

Tinne Pauwels, Maddalena Reggiani, Hugues Sana +1

Massive stars are recognized for their high degree of multiplicity, yet the mass ratio regime below 0.1 remains insufficiently explored. It is therefore unknown whether extremely l…

astro-ph.SR2024

X-Shooting ULLYSES: Massive stars at low metallicity VII. Stellar and wind properties of B supergiants in the Small Magellanic Cloud

M. Bernini-Peron, A. A. C. Sander, V. Ramachandran +22

Context. B supergiants (BSGs) represent an important connection between the main sequence and more extreme evolutionary stages of massive stars. Additionally, lying toward the cool…

astro-ph.SR2024★ 16 cited

Empirical mass-loss rates and clumping properties of O-type stars in the LMC

C. Hawcroft, L. Mahy, H. Sana +6

We constrain wind parameters of a sample of 18 O-type stars in the LMC, through analysis with stellar atmosphere and wind models including the effects of optically thick clumping.…

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.IM2024★ 13 cited

The PLATO Mission

Heike Rauer, Conny Aerts, Juan Cabrera +842

PLATO (PLAnetary Transits and Oscillations of stars) is ESA's M3 mission designed to detect and characterise extrasolar planets and perform asteroseismic monitoring of a large numb…

astro-ph.SR2024★ 36 cited

A magnetic massive star has experienced a stellar merger

A. J. Frost, H. Sana, L. Mahy +13

Massive stars (those larger than 8 solar masses at formation) have radiative envelopes that cannot sustain a dynamo, the mechanism that produces magnetic fields in lower-mass stars…

astro-ph.SR2024★ 22 cited

X-Shooting ULLYSES: Massive Stars at low metallicity II. DR1: Advanced optical data products for the Magellanic Clouds

H. Sana, F. Tramper, M. Abdul-Masih +34

Using the medium resolution spectrograph X-shooter, spectra of 235 OB and Wolf-Rayet (WR) stars in sub-solar metallicity environments have been secured. [...]This second paper focu…

astro-ph.SR2023★ 16 cited

Gaia Focused Product Release: Sources from Service Interface Function image analysis -- Half a million new sources in omega Centauri

Gaia Collaboration, K. Weingrill, A. Mints +400

Gaia's readout window strategy is challenged by very dense fields in the sky. Therefore, in addition to standard Gaia observations, full Sky Mapper (SM) images were recorded for ni…

astro-ph.EP2023★ 23 cited

Gaia Focused Product Release: Asteroid orbital solution. Properties and assessment

Gaia Collaboration, P. David, F. Mignard +2

Context. We report the exploitation of a sample of epoch astrometry for 157 000 asteroids, the same object in the Gaia Data Release 3, extended over the time coverage planned for t…

astro-ph.SR2023

Gaia Focused Product Release: Radial velocity time series of long-period variables

Gaia Collaboration, M. Trabucchi, N. Mowlavi +403

The third Gaia Data Release (DR3) provided photometric time series of more than 2 million long-period variable (LPV) candidates. Anticipating the publication of full radial-velocit…

astro-ph.SR2023★ 14 cited

Constraints on the multiplicity of the most massive stars known: R136 a1, a2, a3, and c

T. Shenar, H. Sana, P. A. Crowther +5

The most massive stars known to date are R 136 a1, a2, a3, and c within the central cluster R 136a of the Tarantula nebula in the Large Magellanic Cloud (LMC), with reported masses…

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…

astro-ph.SR2023★ 61 cited

X-Shooting ULLYSES: massive stars at low metallicity. I. Project Description

Jorick S. Vink, A. Mehner, P. A. Crowther +78

Observations of individual massive stars, super-luminous supernovae, gamma-ray bursts, and gravitational-wave events involving spectacular black-hole mergers, indicate that the low…

astro-ph.SR2023★ 11 cited

The ESO UVES/FEROS Large Programs of TESS OB pulsators. I. Global stellar parameters from high-resolution spectroscopy

Nadya Serebriakova, Andrew Tkachenko, Sarah Gebruers +7

Modern stellar structure and evolution theory experiences a lack of observational calibrations for the interior physics of intermediate- and high-mass stars. This leads to discrepa…

astro-ph.SR2023★ 50 cited

The Gaia-ESO Survey: homogenisation of stellar parameters and elemental abundances

A. Hourihane, P. Francois, C. C. Worley +59

The Gaia-ESO Survey is a public spectroscopic survey that has targeted stars covering all major components of the Milky Way from the end of 2011 to 2018, delivering i…