Tipo de publicación: Con árbitro

  • Publicación
    The optical behaviour of BL Lacertae at its maximum brightness levels: a blend of geometry and energetics
    In 2021 BL Lacertae underwent an extraordinary activity phase, which was intensively followed by the Whole Earth Blazar Telescope (WEBT) Collaboration. We...
  • Publicación
    The Optical Counterpart of the Accreting Millisecond Pulsar SAX J1808.4-3658 in Outburst: Constraints on the Binary Inclination
    We present multiband optical/IR photometry of V4580 Sgr, the optical counterpart of the accretion-powered millisecond pulsar SAX J1808.4-3658, taken during the...
  • Publicación
    The optical counterpart of the bright X-ray transient Swift J1745-26
    We present a 30-day monitoring campaign of the optical counterpart of the bright X-ray transient Swift J1745-26, starting only 19 min after the discovery of the...
  • Publicación
    The optical counterpart to the Be/X-ray binary SAX J2239.3+6116
    Context. Be/X-ray binaries represent the main group of high-mass X-ray binaries. The determination of the astrophysical parameters of the counterparts of these...
  • Publicación
    The optical counterparts of accreting millisecond X-ray pulsars during quiescence
    Context: Eight accreting millisecond X-ray pulsars (AMXPs) are known to date. Although these systems are well studied at high energies, very little information...
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    The Optical Light Curves of XTE J2123-058. III. The Mass of the Binary Components and the Structure of the Quiescent Accretion Disk
    We present optical photometry of XTE J2123-058 taken in 1999 and 2000, during its quiescent state. The dominant feature of our R-band light curve is the...
  • Publicación
    The optical morphologies of the 2 Jy sample of radio galaxies: evidence for galaxy interactions
    We present deep Gemini Multi-Object Spectrograph South (GMOS-S)/Gemini optical broad-band images for a complete sample of 46 southern 2 Jy radio galaxies at...
  • Publicación
    The optical nebulae around the symbiotic Miras He 2-147, HM Sagittae and V1016 Cygni
    We present narrowband images and [Nii]lambda 658.3 nm spectra, obtained under sub-arcsec seeing conditions, of the extended nebulae around the symbiotic Miras...
  • Publicación
    The optical properties of low luminosity radio galaxies with radio jets
    A morphological description and CCD photometric information for a sample of 24 low luminosity radio galaxies with radio jets are presented. It is concluded that...