Astrophysical: Gravitational lensing

  • Publication
    Planck intermediate results. XLI. A map of lensing-induced B-modes
    The secondary cosmic microwave background (CMB) B-modes stem from the post-decoupling distortion of the polarization E-modes due to the gravitational lensing...
  • Publication
    PMN J1838-3427: A New Gravitationally Lensed Quasar
    We report the discovery of a new double-image quasar that was found during a search for gravitational lenses in the southern sky. Radio source PMN J1838-3427 is...
  • Publication
    Precision measurement of a brown dwarf mass in a binary system in the microlensing event. OGLE-2019-BLG-0033/MOA-2019-BLG-035
    Context. Brown dwarfs are transition objects between stars and planets that are still poorly understood, for which several competing mechanisms have been...
  • Publication
    Probable brown dwarf companions detected in binary microlensing events during the 2018-2020 seasons of the KMTNet survey
    Aims: We inspect the microlensing data of the KMTNet survey collected during the 2018-2020 seasons in order to find lensing events produced by binaries with...
  • Publication
    Probing gravity with the DES-CMASS sample and BOSS spectroscopy
    The DES-CMASS sample (DMASS) is designed to optimally combine the weak lensing measurements from the Dark Energy Survey (DES) and redshift-space distortions...
  • Publication
    Probing the Broad-line Region and the Accretion Disk in the Lensed Quasars HE 0435-1223, WFI 2033-4723, and HE 2149-2745 Using Gravitational Microlensing
    We use single-epoch spectroscopy of three gravitationally lensed quasars, HE 0435-1223, WFI 2033-4723, and HE 2149-2745, to study their inner structure (broad...
  • Publication
    Probing the Dark Matter Radial Profile in Lens Galaxies and the Size of X-Ray Emitting Region in Quasars with Microlensing
    We use X-ray and optical microlensing measurements to study the shape of the dark matter density profile in the lens galaxies and the size of the (soft) X-ray...
  • Publication
    Probing the Structure of SDSS J1004+4112 through Microlensing Analysis of Spectroscopic Data
    We aim to uncover the structure of the continuum and broad emission line (BEL) emitting regions in the gravitationally lensed quasar SDSS J1004+4112 through...
  • Publication
    Probing the structure of the lensed quasar SDSS J1004+4112 through microlensing analysis of spectroscopic data
    Aims: We aim to reveal the sizes of the continuum and broad emission line (BEL) emitting regions in the gravitationally lensed quasar SDSS J1004+4112 by...