Astrofísicas: Física de los agujeros negros

  • Publicación
    Rapid optical and X-ray timing observations of GX 339-4: flux correlations at the onset of a low/hard state
    We present the discovery of optical/X-ray flux correlations on rapid time-scales in the low/hard state of the Galactic black hole GX339-4. The source had...
  • Publicación
    Recovery of the X-ray polarisation of Swift J1727.8‑1613 after the soft-to-hard spectral transition (Corrigendum)
  • Publicación
    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...
  • Publicación
    Reprocessing from Highly Ionized Gas in the Soft Spectral State of V4641 Sgr with NuSTAR
    V4641 Sgr is a low-mass black hole X-ray binary system with somewhat puzzling spectral characteristics during its soft state. Recent high-resolution...
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    Revealing the Nature of the ULX and X-Ray Population of the Spiral Galaxy NGC 4088
    We present the first Chandra and Swift X-ray study of the spiral galaxy NGC 4088 and its ultraluminous X-ray source (ULX N4088-X1). We also report very long...
  • Publicación
    Scattered synchrotron emission and a giant torus revealed in polarized light in the nearest radio galaxy Centaurus A
    Context. Centaurus A (Cen A) is the closest radio galaxy and a prime example of a low-luminosity active galactic nucleus (AGN), exhibiting complex emissions...
  • Publicación
    Self-interacting dark matter and the delay of supermassive black hole growth
    Using cosmological hydrodynamic simulations with physically motivated models of supermassive black hole (SMBH) formation and growth, we compare the assembly of...
  • Publicación
    Self-interacting dark matter and the delay of supermassive black hole growth
    Using cosmological hydrodynamic simulations with physically motivated models of supermassive black hole (SMBH) formation and growth, we compare the assembly of...
  • Publicación
    Soft X-ray emission lines in the X-ray binary Swift J1858.6-0814 observed with XMM-Newton Reflection Grating Spectrometer: disc atmosphere or wind?
    We find soft X-ray emission lines from the X-ray binary Swift J1858.6-0814 in data from XMM-NewtonReflection Grating Spectrometer (RGS): N VII, O VII, and O...