Journal: Astronomy and Astrophysics

  • Publication
    Broadband multi-wavelength properties of M87 during the 2018 EHT campaign including a very high energy flaring episode
    Context. The nearby elliptical galaxy M87 contains one of only two supermassive black holes whose emission surrounding the event horizon has been imaged by the...
  • Publication
    Broadband transmission spectroscopy of HD 209458b with ESPRESSO: evidence for Na, TiO, or both
    Context. The detection and characterization of exoplanet atmospheres is currently one of the main drivers pushing the development of new observing facilities...
  • Publication
    Brown dwarf companion with a period of 4.6 yr interacting with the hot Jupiter CoRoT-20 b
    We report the discovery of an additional substellar companion in the CoRoT-20 system based on six years of HARPS and SOPHIE radial velocity follow-up. CoRoT-20...
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    Brown dwarf companions in binaries detected in the 2021 season high-cadence microlensing surveys
    Aims: As a part of the project aiming to build a homogeneous sample of binary-lens (2L1S) events containing brown dwarf (BD) companions, we investigate the 2021...
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    Brown dwarf companions in microlensing binaries detected during the 2016-2018 seasons
    Aims: With the aim of finding microlensing binaries containing brown dwarf (BD) companions, we investigate the microlensing survey data collected during the...
  • Publication
    Brown dwarfs and very low mass stars in the Praesepe open cluster: a dynamically unevolved mass function?
    Context. Determination of the mass functions of open clusters of different ages allows us to infer the efficiency with which brown dwarfs are evaporated from...
  • Publication
    Brown dwarfs and very low-mass stars in the Pleiades cluster: a deep wide-field imaging survey
    We have performed a deep, wide-field imaging survey of the Pleiades cluster (Melotte 22) in the R and I-bands to search for very low-mass stars and brown dwarfs...
  • Publication
    Brown dwarfs in the Pleiades cluster. II. J, H and K photometry.
    We have obtained near-infrared observations of some of the faintest objects so far known towards the Pleiades young stellar cluster, with the purpose of...
  • Publication
    Brown dwarfs in the Pleiades cluster: a CCD-based R, I survey.
    We have obtained deep CCD R and I mosaic imaging of 578 arcmin^2^ within 1°.5 of the Pleiades' center - reaching a completeness magnitude I = 19.5 - with the...