The 4MOST Strong Lensing Spectroscopic Legacy Survey (4SLSLS)

  • Thomas E. Collett
  • , Alessandro Sonnenfeld
  • , Chris Frohmaier
  • , Karl Glazebrook
  • , Dominique Sluse
  • , Veronica Motta
  • , Aprajita Verma
  • , Timo Anguita
  • , Leon Koopmans
  • , Crescenzo Tortora
  • , Frederic Courbin
  • , Remi Cabanac
  • , Brenda Frye
  • , Graham P. Smith
  • , Jose Maria Diego
  • , Bruno Alteiri
  • , Sebastian Lopez
  • , Chris Fassnacht
  • , Asantha Cooray
  • , Ariel Goobar
  • Dan Ryczanowski, Stephen Serjeant, Johan Richard, Tommaso Treu, Leonidas Moustakas, Rui Li, Colin Jacobs, Cameron Lemon, Lucia Marchetti, Phillipa Hartley, Eric Jullo, Chien-Hsiu Lee, Simon Birrer, Alexander Fritz, James Nightingale, Nicola Napolitano, Andres Alejandro Plazas, Sandor Kruk, Chiara Spiniello, Claudio Grillo, Sherry Suyu, Anowar Shajib, Georgios Vernardos, Simon Dye, Tansu Daylan, Jeffrey Newman, Stefan Schuldt

Research output: Contribution to specialist publicationArticle

Abstract

Almost all science that can be done with strong gravitational lenses requires knowledge of the lens and source redshifts. The 4MOST Strong Lensing Spectroscopic Legacy Survey (4SLSLS) will follow up strong lens candidates discovered in the Euclid survey and the Legacy Survey of Space and Time. 4SLSLS will provide pairs of redshifts for 10 000 strong-lensing galaxies (lenses) and background galaxies (sources). Velocity dispersions will also be measured for 5000 lenses. This sample will enable discoveries about the evolution of galaxies, the study of intrinsically faint objects and of the cosmological model.
Original languageEnglish
Pages49–52
Number of pages4
No.190
Specialist publicationThe Messenger
PublisherEuropean Southern Observatory
DOIs
Publication statusPublished - Mar 2023

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