Probing galaxy dark matter haloes in COSMOS with weak lensing flexion

Current theories of structure formation predict specific density profiles of galaxy dark matter haloes, and with weak gravitational lensing we can probe these profiles on several scales. On small scales, higher order shape distortions known as flexion add significant detail to the weak lensing measu...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2011-04, Vol.412 (4), p.2665-2677
Hauptverfasser:	Velander, Malin, Kuijken, Konrad, Schrabback, Tim
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Astrophysics cosmology: observations Dark matter Earth, ocean, space Exact sciences and technology galaxies: haloes gravitational lensing: weak Gravity Star & galaxy formation Stars & galaxies
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