Astrophysical: Gravitational lensing

  • Publication
    Two-dimensional Spectroscopy Reveals an Arc of Extended Emission in the Gravitational Lens System Q2237+0305
    We present two-dimensional spectroscopy of the gravitational lens system Q2237+0305 (Einstein Cross) obtained with the INTEGRAL fiber system in subarcsecond...
  • Publication
    Ultra-bright CO and [{\rm{C}}\,{\rm{I}}] Emission in a Lensed z = 2.04 Submillimeter Galaxy with Extreme Molecular Gas Properties
    We report the very bright detection of cold molecular gas with the IRAM NOEMA interferometer of the strongly lensed source WISE J132934.18+224327.3 at z = 2.04...
  • Talk
    Very High Energy emission at the Cosmic Gamma Ray Horizon: a MAGIC discovery happened thanks to gravitational lensing
    The Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) telescopes reported the discovery of the most distant gamma-ray source ever observed at very high...
  • Publication
    VLA and ALMA observations of the lensed radio-quiet quasar SDSS J0924+0219: a molecular structure in a 3 μJy radio source
    We present Karl G. Jansky Very Large Array (VLA) and Atacama Large Millimetre Array (ALMA) observations of SDSS J0924+0219, a z = 1.524 radio-quiet lensed...
  • Publication
    VLBI imaging of the gravitational lens MG J0414+0534
    We observed the quadruple gravitationally lensed image of MG J0414+0534 on 23 November 1997 with a global VLBI array at 8.4 GHz. We report wide-field imaging...
  • Publication
    WeCAPP - Wendelstein Calar Alto pixellensing project I. Tracing dark and bright matter in M 31
    We present WeCAPP, a long term monitoring project searching for microlensing events towards M 31. Since 1997 the bulge of M 31 was monitored in two different...
  • Conference
    XXIV Canary Islands Winter School of Astrophysics: Astrophysical Applications of Gravitational Lensing
  • Publication
    Young Galaxy Candidates in the Hubble Frontier Fields. III. MACS J0717.5+3745
    In this paper we present the results of our search for and study of z≳ 6 galaxy candidates behind the third Frontier Fields (FFs) cluster, MACS J0717.5+3745...
  • Publication
    z-GAL: A NOEMA spectroscopic redshift survey of bright Herschel galaxies. I. Overview
    Using the IRAM NOrthern Extended Millimetre Array (NOEMA), we conducted a Large Programme (z-GAL) to measure redshifts for 126 bright galaxies detected in the...