Astrofísicas: Agujeros negros

  • Publicación
    The strength of Type-C quasi-periodic oscillations in black hole X-ray binaries correlates with the jet inclination
    X-ray quasi-periodic oscillations (QPOs) are a characteristic feature of low-mass X-ray binaries (LMXBs). These oscillations have been studied for decades and...
  • Publicación
    The Tarantula Massive Binary Monitoring. VI. Characterisation of hidden companions in 51 single-lined O-type binaries: A flat mass-ratio distribution and black-hole binary candidates
    Context. Massive binaries hosting a black hole (OB+BH) represent a critical phase in the production of BH mergers in the context of binary evolution. In spite...
  • Publicación
    The VLT-FLAMES survey of massive stars. NGC 2004#115: A triple system hosting a possible short period B+BH binary
    Context. NGC 2004#115 was classified as a single lined Be spectroscopic binary in the Large Magellanic Cloud. Its Hα morphology is reminiscent of the Galactic...
  • Charla
    The Warped Side of our Universe: From the Big Bang to Black Holes and Gravitational Waves
    There is a "Warped side" of our universe, consisting of objects and phenomena that are made solely or largely from warped spacetime. Examples are black holes...
  • Publicación
    Three-stage Collapse of the Long Gamma-Ray Burst from GRB 160625B Prompt Multiwavelength Observations
    This article presents the early results of synchronous multiwavelength observations of one of the brightest gamma-ray bursts (GRBs) GRB 160625B with the...
  • Publicación
    Tracking optical variability and outflows across the accretion states of the black hole transient MAXI J1820+070
    We present a study of the evolution of the minute-timescale optical variability and of the optical spectroscopic signatures of outflows in the black hole X-ray...
  • Publicación
    Two new confirmed massive relic galaxies: red nuggets in the present-day Universe
    We confirm two new local massive relic galaxies, i.e. untouched survivors of the early Universe massive population: Mrk 1216 and PGC 032873. Both show early and...
  • Publicación
    Two New X-Ray Sources in M31 and M31GC J004234+405709 Observed by Chandra
    We report the discovery of two previously unseen X-ray sources detected in a 5ks Chandra/ACIS observation starting on 2008-10-13.15 UT as part of our ongoing...
  • Publicación
    Ubiquitous yet forgotten: Broad absorptions in the optical spectra of low-mass X-ray binaries
    The optical outburst spectra of low-mass X-ray binaries enable studies of extreme accretion and ejection phenomena. While some of their spectroscopic features...