Astrophysical: Methods

  • Publication
    Multiwavelength variability and correlation studies of Mrk 421 during historically low X-ray and γ-ray activity in 2015-2016
    We report a characterization of the multiband flux variability and correlations of the nearby (z = 0.031) blazar Markarian 421 (Mrk 421) using data from...
  • Publication
    MuSCAT2 multicolour validation of TESS candidates: an ultra-short-period substellar object around an M dwarf
    Context. We report the discovery of TOI 263.01 (TIC 120916706), a transiting substellar object (R = 0.87 R Jup) orbiting a faint M3.5 V dwarf (V = 18.97) on a 0...
  • Publication
    MUSE spectroscopy of the high abundance discrepancy planetary nebula NGC 6153
    Context. The abundance discrepancy problem in planetary nebulae (PNe) has long puzzled astronomers. NGC 6153, with its high abundance discrepancy factor (ADF ~...
  • Publication
    Na I and Hα absorption features in the atmosphere of MASCARA-2b/KELT-20b
    We used the HARPS-North high resolution spectrograph (ℛ = 115 000) at Telescopio Nazionale Galileo (TNG) to observe one transit of the highly irradiated planet...
  • Publication
    Near optimal angular quadratures for polarised radiative transfer
    In three-dimensional (3D) radiative transfer (RT) problems, the tensor product quadratures are generally not optimal in terms of the number of discrete ray...
  • Publication
    Near-Earth asteroid (3200) Phaethon: Characterization of its orbit, spin state, and thermophysical parameters
    Context. The near-Earth asteroid (3200) Phaethon is an intriguing object: its perihelion is at only 0.14 au and is associated with the Geminid meteor stream...
  • Publication
    Near-Earth asteroids spectroscopic survey at Isaac Newton Telescope
    Context. The population of near-Earth asteroids (NEAs) shows a large variety of objects in terms of physical and dynamical properties. They are subject to...
  • Publication
    Near-infrared colors of minor planets recovered from VISTA-VHS survey (MOVIS)
    Context. The Sloan Digital Sky Survey (SDSS) and Wide-field Infrared Survey Explorer (WISE) provide information about the surface composition of about 100 000...
  • Publication
    Near-infrared spectroscopy of 1999 JU3, the target of the Hayabusa 2 mission
    Context. Primitive asteroids contain complex organic material and ices relevant to the origin of life on Earth. These types of asteroids are the target of...