The Astrophysical Journal (Jan 2024)

AGEL: Is the Conflict Real? Investigating Galaxy Evolution Models Using Strong Lensing at 0.3 < z < 0.9

  • Nandini Sahu,
  • Kim-Vy Tran,
  • Sherry H. Suyu,
  • Anowar J. Shajib,
  • Sebastian Ertl,
  • Glenn G. Kacprzak,
  • Karl Glazebrook,
  • Tucker Jones,
  • Keerthi Vasan G. C.,
  • Tania M. Barone,
  • A. Makai Baker,
  • Hannah Skobe,
  • Caro Derkenne,
  • Geraint F. Lewis,
  • Sarah M. Sweet,
  • Sebastian Lopez

DOI
https://doi.org/10.3847/1538-4357/ad4ce3
Journal volume & issue
Vol. 970, no. 1
p. 86

Abstract

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Observed evolution of the total mass distribution with redshift is crucial to testing galaxy evolution theories. To measure the total mass distribution, strong gravitational lenses complement the resolved dynamical observations that are currently limited to z ≲ 0.5. Here we present the lens models for a pilot sample of seven galaxy-scale lenses from the ASTRO3D Galaxy Evolution with Lenses ( AGEL ) survey. The AGEL lenses, modeled using HST/WFC3-F140W images with Gravitational Lens Efficient Explorer ( GLEE ) software, have deflector redshifts in the range 0.3 0.5, the AGEL survey will provide stronger constraints on whether the mass profiles evolve with redshift as predicted by current theoretical models.

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