Using gravitational lensing flexions to constrain dark matter halo shapes and profiles
- 👤 Speaker: Shude Mao (Manchester & NAOC)
- 📅 Date & Time: Wednesday 08 August 2012, 13:15 - 13:45
- 📍 Venue: Sackler Lecture Theatre, IoA
Abstract
Hierarchical structure formation theory predicts tri-axial halo shapes and density profiles. Gravitational lensing flexion is related to the derivative of the weak lensing shear and convergence. We show that, as a higher order derivative of the lensing potential, the flexion can be used to test these predictions.
Series This talk is part of the Institute of Astronomy Seminars series.
Included in Lists
- Cambridge Astronomy Talks
- Combined External Astrophysics Talks DAMTP
- Cosmology, Astrophysics and General Relativity
- Cosmology lists
- Institute of Astronomy Seminars
- Institute of Astronomy Talk Lists
- Kavli Institute for Cosmology Talk Lists
- Priscilla
- Sackler Lecture Theatre, IoA
Note: Ex-directory lists are not shown.
![[Talks.cam]](/static/images/talkslogosmall.gif)

Shude Mao (Manchester & NAOC)
Wednesday 08 August 2012, 13:15-13:45