Journal: Astronomy and Astrophysics

  • Publication
    Multiwavelength observations of Mrk 501 in 2008
    Context. Blazars are variable sources on various timescales over a broad energy range spanning from radio to very high energy (>100 GeV, hereafter VHE). Mrk 501...
  • Publication
    Multiwavelength study of Cygnus A. IV. Proper motion and location of the nucleus
    Context. Cygnus A, as the nearest powerful FR II radio galaxy, plays an important role in understanding jets and their impact on the surrounding intracluster...
  • Publication
    Multiwavelength study of the fast rotating supergiant high-mass X-ray binary IGR J16465-4507
    Context. Since its launch, the X-ray and γ-ray observatory INTEGRAL satellite has revealed a new class of high-mass X-ray binaries (HMXB) displaying fast flares...
  • Publication
    Multiwavelength study of the galactic PeVatron candidate LHAASO J2108+5157
    Context. Several new ultrahigh-energy (UHE) γ-ray sources have recently been discovered by the Large High Altitude Air Shower Observatory (LHAASO) collaboration...
  • Publication
    Multiwavelength study of the low-luminosity outbursting young star HBC 722
    Context. HBC 722 (V2493 Cyg) is a young eruptive star in outburst since 2010. Spectroscopic evidence suggests that the source is an FU Orionis-type object, with...
  • 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 crowded field 3D spectroscopy in NGC 300. I. First results from central fields
    Aims: As a new approach to the study of resolved stellar populations in nearby galaxies, our goal is to demonstrate with a pilot study in NGC 300 that integral...
  • Publication
    MUSE observations of the counter-rotating nuclear ring in NGC 7742
    Aims: We present results from MUSE observations of the nearly face-on disk galaxy NGC 7742. This galaxy hosts a spectacular nuclear ring of enhanced star...
  • 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 ~...