Astrophysical: X-ray binary stars

  • Publication
    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...

  • Publication
    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...

  • Publication
    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...

  • Publication
    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...

  • Publication
    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...

  • Publication
    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...

  • News
    New source of lithium production found in the Universe

    A team of researchers from the Instituto de Astrofísica de Canarias (IAC), the University of Manchester and the Norwegian University of Science and Technology...

  • Publication
    Optical counterpart of the XTE J0929-314 in quiescence: constraints on the magnetic field

    We present VLT observations of the optical counterpart of th X-ray millisecond pulsar XTE J0929-314 in quiescence. We detected a very faint candidate in...

  • Publication
    Phase Resolved Blue Spectroscopy of SS433

    Despite more than 20 years of study, we still possess only limited constraints on the fundamental properties of SS433. With the exception of the 13d period...