A weak lensing detection of the cosmological distance-redshift relation behind three massive clusters

The amplitude of weak lensing should increase with source distance, rising steeply behind a lens and saturating at high redshift, providing a model-independent means of measuring cosmic geometry. We measure the amplitude of weak lensing with redshift for three massive clusters, A370 (z= 0.375), ZwCl...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2011-07, Vol.414 (3), p.1840-1850
Hauptverfasser:	Medezinski, Elinor, Broadhurst, Tom, Umetsu, Keiichi, Benítez, Narciso, Taylor, Andy
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Astrophysics cosmology: observations Earth, ocean, space Exact sciences and technology galaxies: clusters: individual: Abell 370 galaxies: clusters: individual: RX J1347.5−1145 galaxies: clusters: individual: ZwCl 0024.0+1652 gravitational lensing: weak Mathematical models Red shift Stars & galaxies
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