Astrofísicas: Estrellas binarias de rayos X

  • Publicación
    A Multiwavelength Study of GRS 1716-249 in Outburst: Constraints on Its System Parameters
    We present a detailed study of the evolution of the Galactic black hole transient GRS 1716-249 during its 2016-2017 outburst at optical (Las Cumbres Observatory...
  • Publicación
    Chasing the Break: Tracing the Full Evolution of a Black Hole X-Ray Binary Jet with Multiwavelength Spectral Modeling
    Black hole (BH) X-ray binaries (XRBs) are ideal targets to study the connection between accretion inflow and jet outflow. Here we present quasi-simultaneous...
  • Publicación
    Chemical composition of secondary stars in LMXBs: implications on the progenitors of black holes and neutron stars
    Recent studies of chemical abundances of secondary stars in low mass X-ray binaries have opened a new window to obtain information on the progenitors of black...
  • Publicación
    Discovery of an X-Ray Photoionized Optical Nebula and a Radio Nebula Associated with the ULX NGC 4861 X-1
    We have conducted long-slit spectroscopic observations and analyzed archival radio data for the ultraluminous X-ray source (ULX) NGC 4861 X-1. Our spectral line...
  • Publicación
    Dynamical Confirmation of a Black Hole in MAXI J1820+070
    We present time-resolved 10.4 m Gran Telescopio Canarias and 4.2 m William Herschel Telescope intermediate resolution spectroscopy of the X-ray transient MAXI...
  • Publicación
    Echo Tomography of Sco X-1 using Bowen Fluorescence Lines
    We present preliminary results of a simultaneous X-ray/optical campaign of the proto-typical LMXB Sco X-1 at 1-10 Hz time resolution. Lightcurves of the high...
  • Noticia
    Encuentran una nueva fuente de producción de litio en el Universo
    Una investigación internacional liderada por el Instituto de Astrofísica de Canarias (IAC), con participación de la Universidad de Manchester y la Universidad...
  • Publicación
    Hunting for eclipsing Post Common Envelope Binaries from SDSS
    We give an overview of a project aiming to identify new eclipsing post common envelope binaries from the Sloan Digital Sky Survey. This work focuses on the...
  • Publicación
    Indirect evidence for an active radio pulsar in SAX J1808.4-3658 during quiescence
    Millisecond radio pulsars are neutron stars that have been spun-up by the transfer of angular momentum during the low-mass X-ray binary phase. The transition...