Astrophysical: Cosmology

  • 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
    Void Statistics in Large Galaxy Redshift Surveys: Does Halo Occupation of Field Galaxies Depend on Environment?
    We use measurements of the projected galaxy correlation function wp(rp) and galaxy void statistics to test whether the galaxy content of halos of fixed mass is...
  • 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...
  • Publication
    X-ray spectral properties of active galactic nuclei in the Chandra Deep Field South
    We present a detailed X-ray spectral analysis of the sources in the 1Ms catalog of the Chandra Deep Field South (CDFS) taking advantage of optical spectroscopy...
  • Publication
    XMM-Newton study of six massive, X-ray luminous galaxy cluster systems in the redshift range z = 0.25-0.5
    Massive galaxy clusters are interesting astrophysical and cosmological objects to study, but they are relatively rare. In the redshift range z = 0.25-0.5 which...
  • Conference
    XX Canary Islands Winter School of Astrophysics - Local Group Cosmology
  • Gallery
    XXXIII Canary Islands Winter School
    Some pictures of the XXXIII Canary Islands Winter School. Credit: Inés Bonet (IAC).
  • News
    XXXIII Canary Islands Winter School - Overlaps at the Frontiers of Astrophysics, Cosmology and Particle Physics
    From 21th November till 2nd December at the Museo de la Ciencia y el Cosmos (San Cristóbal de La Laguna), and organised by the Instituto de Astrofísica de...
  • 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...