activity
20162022
most citedIs HR 6819 a triple system containing a black hole? -- An alternative explanation

108 citations · 334 across the 8 of their papers we have counts for

collaborators

16 papers

astro-ph.SR20227 cited

Distance and age of the massive stellar cluster Westerlund 1. II. The eclipsing binary W36

Danilo F. Rocha, Leonardo A. Almeida, Augusto Damineli +3

Westerlund 1 (Wd 1) is one of the most relevant star clusters in the Milky Way to study massive star formation, although it is still poorly known. Here, we used photometric and spe…

astro-ph.SR2022

The Nature of Unseen Companions in Massive Single-Line Spectroscopic Binaries

Hugues Sana, Michael Abdul-Masih, Gareth Banyard +14

Massive stars are predominantly found in binaries and higher order multiples. While the period and eccentricity distributions of OB stars are now well established across different…

astro-ph.SR202232 cited

HR 6819 is a binary system with no black hole -- revisiting the source with infrared interferometry and optical integral field spectroscopy

A. J. Frost, J. Bodensteiner, Th. Rivinius +16

Two scenarios have been proposed to match the existing observational constraints of the object HR 6819. The system could consist of a close inner B-type giant plus a black hole (BH…

astro-ph.SR202224 cited

Planet Hunters TESS IV: A massive, compact hierarchical triple star system TIC 470710327

Nora L. Eisner, Cole Johnston, Silvia Toonen +37

We report the discovery and analysis of a massive, compact, hierarchical triple system (TIC 470710327) initially identified by citizen scientists in data obtained by NASA's Transit…

astro-ph.SR2021

Constraining the Overcontact Phase in Massive Binary Evolution I. Mixing in V382 Cyg, VFTS 352, and OGLE SMC-SC10 108086

Michael Abdul-Masih, Hugues Sana, Calum Hawcroft +10

As potential progenitors of several exotic phenomena including gravitational wave sources, magnetic stars, and Be stars, close massive binary systems probe a crucial area of the pa…

astro-ph.SR202118 cited

Characterization of the variability in the O+B eclipsing binary HD 165246

Cole Johnston, Nicolas Aimar, Michael Abdul-Masih +8

O-stars are known to experience a wide range of variability mechanisms originating at both their surface and their near-core regions. Characterization and understanding of this var…