Astrofísicas: Cúmulos de galaxias

  • Noticia
    El telescopio James Webb proporciona un retrato inédito de la luz fantasmal de cúmulos de galaxias
    Un reciente estudio, liderado íntegramente por el Instituto de Astrofísica de Canarias (IAC), ha obtenido el análisis más completo hasta la fecha de la...
  • Publicación
    Emergence of an Ultrared, Ultramassive Galaxy Cluster Core at z = 4
    Recent simulations and observations of massive galaxy cluster evolution predict that the majority of stellar mass buildup happens within cluster members by z =...
  • Publicación
    Galaxy pairs and clusters in a lambda CDM universe: Bridging observation and simulation
    I use computer simulations to examine the evolution of close galaxy pair counts and the formation of galaxy clusters. I show that the evolution of the close...
  • Publicación
    Growing a `cosmic beast': observations and simulations of MACS J0717.5+3745
    We present a gravitational lensing and X-ray analysis of a massive galaxy cluster and its surroundings. The core of MACS J0717.5+3745 (M(R
  • Publicación
    Identification of Superclusters and Their Properties in the Sloan Digital Sky Survey Using the WHL Cluster Catalog
    Superclusters are the largest massive structures in the cosmic web, on tens to hundreds of megaparsec scales. They are the largest assembly of galaxy clusters...
  • Publicación
    JWST Photometric Time-delay and Magnification Measurements for the Triply Imaged Type Ia "SN H0pe" at z = 1.78
    Supernova (SN) SN H0pe is a gravitationally lensed, triply imaged, Type Ia SN (SN Ia) discovered in James Webb Space Telescope imaging of the PLCK G165.7+67.0...
  • Publicación
    Lensed Type Ia Supernova "Encore" at z = 2: The First Instance of Two Multiply Imaged Supernovae in the Same Host Galaxy
    A bright (m F150W,AB = 24 mag), z = 1.95 supernova (SN) candidate was discovered in JWST/NIRCam imaging acquired on 2023 November 17. The SN is quintuply imaged...
  • Noticia
    Los cúmulos de galaxias, protagonistas de la XXXII Escuela de Invierno del IAC
    Hoy, en la sala de usos múltiples del IACTEC en La Laguna, se ha inaugurado la XXXII Canary Islands Winter School of Astrophysics, organizada por el Instituto...
  • Publicación
    LoVoCCS. II. Weak Lensing Mass Distributions, Red-sequence Galaxy Distributions, and Their Alignment with the Brightest Cluster Galaxy in 58 Nearby X-Ray-luminous Galaxy Clusters
    The Local Volume Complete Cluster Survey is an ongoing program to observe nearly a hundred low-redshift X-ray-luminous galaxy clusters (redshifts 0.03 < z < 0...