Publication type: Refereed

  • Publication
    One-dimensional image reconstruction by exponential filtering in infrared stellar speckle interferometry - Application to IRC + 10216
    Exponential filtering, together with an improved version of the iterative Fourier-transform algorithm, is applied to image reconstruction from one-dimensional...
  • Publication
    Ongoing star formation at the outskirts of Sextans A: spectroscopic detection of early O-type stars
    With both nebular- and stellar-derived abundances of ≲1/10 Z_{⊙ } and low foreground extinction, Sextans A is a prime candidate to replace the Small Magellanic...
  • Publication
    Oort cloud perturbations as a source of hyperbolic Earth impactors
    The observation of interstellar objects 1I/'Oumuamua and 2I/Borisov suggests the existence of a larger population of smaller projectiles that impact our planet...
  • Publication
    Opacity for realistic 3D MHD simulations of cool stellar atmospheres
    Context. Realistic three-dimensional time-dependent simulations of stellar near-surface convection employ the opacity binning method for the efficient and...
  • Publication
    Open Cluster Chemical Homogeneity throughout the Milky Way
    The chemical homogeneity of surviving stellar clusters contains important clues about interstellar medium (ISM) mixing efficiency, star formation, and the...
  • Publication
    Open cluster Dolidze 25: Stellar parameters and the metallicity in the Galactic anticentre
    Context. The young open cluster Dolidze 25, in the direction of the Galactic anticentre, has been attributed a very low metallicity, with typical abundances...
  • Publication
    Opening PANDORA's box: APEX observations of CO in PNe
    Context. Observations of molecular gas have played a key role in developing the current understanding of the late stages of stellar evolution. Aims: The survey...
  • Publication
    Opposition Observations of 162173 Ryugu: Normal Albedo Map Highlights Variations in Regolith Characteristics
    On 2019 January 8, the Telescopic Optical Navigation Camera (ONC-T) on board the Hayabusa2 spacecraft observed the Cb-type asteroid 162173 Ryugu under near...
  • Publication
    Optical analysis of the poor clusters Abell 610, Abell 725, and Abell 796, containing diffuse radio sources
    Aims: We study the dynamical status of the poor, low X-ray luminous galaxy clusters Abell 610, Abell 725, and Abell 796 (at z = 0.1, 0.09, and 0.16...