Journal: Astronomy and Astrophysics

  • Publication
    Recovery of the X-ray polarisation of Swift J1727.8‑1613 after the soft-to-hard spectral transition (Corrigendum)
  • Publication
    Recovery of the X-ray polarisation of Swift J1727.8−1613 after the soft-to-hard spectral transition
    We report on the detection of X-ray polarisation in the black-hole X-ray binary Swift J1727.8−1613 during its dim hard spectral state by the Imaging X-ray...
  • Publication
    Red giant evolutionary status determination: The complete Kepler catalog
    Context. Evolved cool stars have three distinct evolutionary status: shell-hydrogen burning (RGB), core-helium and shell-hydrogen burning (RC), and double-shell...
  • Publication
    Red giants observed by CoRoT and APOGEE: The evolution of the Milky Way's radial metallicity gradient
    Using combined asteroseismic and spectroscopic observations of 418 red-giant stars close to the Galactic disc plane (6 kpc RGal ≲ 13 kpc, | ZGal| 0.3 kpc), we...
  • Publication
    Red supergiant stars in binary systems: II. Confirmation of B-type companions of red supergiants in the Small Magellanic Cloud using Hubble ultraviolet spectroscopy
    Red supergiant (RSG) stars represent the final evolutionary phase of the majority of massive stars and hold a unique role in testing the physics of stellar...
  • Publication
    Red supergiants around the obscured open cluster Stephenson 2
    Context. Several clusters of red supergiants have been discovered in a small region of the Milky Way close to the base of the Scutum-Crux Arm and the tip of the...
  • Publication
    Redshift-distance relations from type Ia supernova observations. New constraints on grey dust models
    Extinction due to intergalactic grey dust has been proposed as an alternative to accelerated expansion to account for the dimming of SnIa fluxes beyond z ≃ 0.5...
  • Publication
    Refined parameters of the HD 22946 planetary system and the true orbital period of planet d★
    Context. Multi-planet systems are important sources of information regarding the evolution of planets. However, the long-period planets in these systems often...
  • Publication
    Refining the properties of the TOI-178 system with CHEOPS and TESS
    Context. The TOI-178 system consists of a nearby late K-dwarf transited by six planets in the super-Earth to mini-Neptune regime, with radii ranging from ~1.1...