Outputs (4)

Creation of cosmic structure in the complex galaxy cluster merger Abell 2744 (2011)
Journal Article
Merten, J., Coe, D., Dupke, R., Massey, R., Zitrin, A., Cypriano, E., …Bregman, J. (2011). Creation of cosmic structure in the complex galaxy cluster merger Abell 2744. Monthly Notices of the Royal Astronomical Society, 417(1), 333-347. https://doi.org/10.1111/j.1365-2966.2011.19266.x

We present a detailed strong-lensing, weak-lensing and X-ray analysis of Abell 2744 (z= 0.308), one of the most actively merging galaxy clusters known. It appears to have unleashed ‘dark’, ‘ghost’, ‘bullet’ and ‘stripped’ substructures, each ∼1014 M⊙... Read More about Creation of cosmic structure in the complex galaxy cluster merger Abell 2744.

Gravitational Lensing Accuracy Testing 2010 (GREAT10) Challenge Handbook (2011)
Journal Article
Kitching, T., Amara, A., Gill, M., Harmeling, S., Heymans, C., Massey, R., Rowe, B., Schrabback, T., Voigt, L., Balan, S., Bernstein, G., Bethge, M., Bridle, S., Courbin, F., Gentile, M., Heavens, A., Hirsch, M., Hosseini, R., Kiessling, A., Kirk, D., …Wittman, D. (2011). Gravitational Lensing Accuracy Testing 2010 (GREAT10) Challenge Handbook. Annals of Applied Statistics, 5(3), 2231-2263. https://doi.org/10.1214/11-aoas484

GRavitational lEnsing Accuracy Testing 2010 (GREAT10) is a public image analysis challenge aimed at the development of algorithms to analyze astronomical images. Specifically, the challenge is to measure varying image distortions in the presence of a... Read More about Gravitational Lensing Accuracy Testing 2010 (GREAT10) Challenge Handbook.

Cluster bulleticity (2011)
Journal Article
Massey, R., Kitching, T., & Nagai, D. (2011). Cluster bulleticity. Monthly Notices of the Royal Astronomical Society, 413(3), 1709-1716. https://doi.org/10.1111/j.1365-2966.2011.18246.x

The unique properties of dark matter are revealed during collisions between clusters of galaxies, such as the bullet cluster (1E 0657−56) and baby bullet (MACS J0025−12). These systems provide evidence for an additional, invisible mass in the separat... Read More about Cluster bulleticity.

Using Faraday rotation to probe magnetohydrodynamic instabilities in intracluster media (2011)
Journal Article
Bogdanovic, T., Reynolds, C., & Massey, R. (2011). Using Faraday rotation to probe magnetohydrodynamic instabilities in intracluster media. Astrophysical Journal, 731(1), Article 7. https://doi.org/10.1088/0004-637x/731/1/7

It has recently been suggested that conduction-driven magnetohydrodynamic (MHD) instabilities may operate at all radii within an intracluster medium (ICM) and profoundly affect the structure of a cluster's magnetic field. Where MHD instabilities domi... Read More about Using Faraday rotation to probe magnetohydrodynamic instabilities in intracluster media.