Evolution of the Early-Type Galaxy Fraction in Clusters since z = 0.8 (2009)
Simard, Luc, Clowe, Douglas, Desai, Vandana, Dalcanton, Julianne J., Von Der Linden, Anja, Poggianti, Bianca M., ...
We study the morphological content of a large sample of high-redshift clusters to determine its dependence on cluster mass and redshift. Quantitative morphologies are based on bulge+disk...
The Rest-Frame Optical Luminosity Function of Cluster Galaxies at z (2009)
Rudnick, Gregory, Von Der Linden, Anja, Pello, Roser, Aragon-Salamanca, Alfonso, Marchesini, Danilo, Clowe, Douglas, ...
We present the rest-frame optical luminosity function (LF) of red sequence galaxies in 16 clusters at 0.4
The ESO Distant Cluster Sample: galaxy evolution and environment out to z=1 (2009)
Poggianti, Bianca M., Aragon-Salamanca, Alfonso, Bamford, Steven, Barazza, Fabio, Best, Philip, Clowe, Douglas, ...
The ESO Distant Cluster Survey (EDisCS, P.I. Simon D.M. White, LP 166.A-0162) is an ESO large programme aimed at studying clusters and cluster galaxies at z=0.4-1. How different is the evolution of...
The Environments of Starburst and Post-Starburst Galaxies at z = 0.4-0.8 (2009)
Poggianti, Bianca M., Aragόn-Salamanca, Alfonso, Zaritsky, Dennis, Milvang-Jensen, Bo, Desai, Vandana, ...
Post-starburst (E+A or k+a) spectra, characterized by their exceptionally strong Balmer lines in absorption and the lack of emission lines, belong to galaxies in which the star formation (SF)...
Findings of the Joint Dark Energy Mission Figure of Merit Science Working Group (2009)
Albrecht, Andreas, Amendola, Luca, Bernstein, Gary, Clowe, Douglas, Eisenstein, Daniel, Guzzo, Luigi, ...
These are the findings of the Joint Dark Energy Mission (JDEM) Figure of Merit (FoM) Science Working Group (SWG), the FoMSWG. JDEM is a space mission planned by NASA and the DOE for launch in the...
The environments of starburst and post-starburst galaxies at z = 0.4-0.8 (2009)
Poggianti, Bianca M., Aragón-Salamanca, Alfonso, Zaritsky, Dennis, De Lucia, Gabriella, Milvang-Jensen, Bo, Desai, Vandana, ...
Rudnick, Gregory, Von Der Linden, Anja, Pelló, Roser, Aragón-Salamanca, Alfonso, Marchesini, Danilo, Clowe, Douglas, ...
Corless, Virginia L., King, Lindsay J., Clowe, Douglas
Measuring the 3D distribution of mass on galaxy cluster scales is a crucial test of the LCDM model, providing constraints on the nature of dark matter. Recent work investigating mass distributions of...
The environments of starburst and post-starburst galaxies at z=0.4-0.8 (2008)
Poggianti, Bianca M., Aragon-Salamanca, Alfonso, Zaritsky, Dennis, De Lucia, Gabriella, Milvang-Jensen, Bo, Desai, Vandana, ...
Post-starburst (E+A or k+a) spectra, characterized by their exceptionally strong Balmer lines in absorption and the lack of emission lines, belong to galaxies in which the star formation activity...
Impacts of a Supersonic Shock Front on Star Formation in the Bullet Cluster (2008)
Chung, Sun Mi, Gonzalez, Anthony H., Clowe, Douglas, Zaritsky, Dennis, Markevitch, Maxim, Jones, Christine
We use the Bullet Cluster (1E0657-56) to investigate the extent to which star formation in cluster galaxies is influenced by ram pressure from supersonic gas (Mach 3) during a cluster merger. While...
Poggianti, Bianca M., Desai, Vandana, Finn, Rose, Bamford, Steven, De Lucia, Gabriella, Varela, Jesus, ...
We investigate how the [O II] properties and the morphologies of galaxies in clusters and groups at z = 0.4–0.8 depend on projected local galaxy density, and compare with the field at similar...
Poggianti, Bianca M., Desai, Vandana, Finn, Rose, Bamford, Steven, De Lucia, Gabriella, Varela, Jesus, ...
We investigate how the [OII] properties and the morphologies of galaxies in clusters and groups at z=0.4-0.8 depend on projected local galaxy density, and compare with the field at similar redshifts...
Poggianti, Bianca M., Desai, Vandana, Finn, Rose, Bamford, Steven, De Lucia, Gabriella, Varela, Jesus, ...
Randall, Scott W., Markevitch, Maxim, Clowe, Douglas, Gonzalez, Anthony H., Bradac, Marusa
(Abridged) We compare recent results from X-ray, strong lensing, weak lensing, and optical observations with numerical simulations of the merging galaxy cluster 1E0657-56. X-ray observations reveal a...
The build-up of the colour–magnitude relation in galaxy clusters since z ~ 0.8 (2007)
De Lucia, Gabriella, Poggianti, Bianca M., Aragón-Salamanca, Alfonso, White, Simon D. M., Zaritsky, Dennis, Clowe, Douglas, ...
The build-up of the colour–magnitude relation in galaxy clusters since z ~ 0.8 (2007)
De Lucia, Gabriella, Poggianti, Bianca M., Aragón-Salamanca, Alfonso, White, Simon D. M., Zaritsky, Dennis, Clowe, Douglas, ...
The build-up of the colour-magnitude relation in galaxy clusters since z~0.8 (2006)
De Lucia, Gabriella, Poggianti, Bianca M., Aragon-Salamanca, Alfonso, White, Simon D. M., Zaritsky, Dennis, Clowe, Douglas, ...
Using galaxy clusters from the ESO Distant Cluster Survey, we study how the distribution of galaxies along the colour-magnitude relation has evolved since z~0.8. While red-sequence galaxies in all...
The Shear TEsting Programme 2: Factors affecting high precision weak lensing analyses (2006)
Massey, Richard, Heymans, Catherine, Berge, Joel, Bernstein, Gary, Bridle, Sarah, Clowe, Douglas, ...
The Shear TEsting Programme (STEP) is a collaborative project to improve the accuracy and reliability of weak lensing measurement, in preparation for the next generation of wide-field surveys. We...
A direct empirical proof of the existence of dark matter (2006)
Clowe, Douglas, Bradac, Marusa, Gonzalez, Anthony H., Markevitch, Maxim, Randall, Scott W., Jones, Christine, ...
We present new weak lensing observations of 1E0657-558 (z=0.296), a unique cluster merger, that enable a direct detection of dark matter, independent of assumptions regarding the nature of the...
Bradac, Marusa, Clowe, Douglas, Gonzalez, Anthony H., Marshall, Phil, Forman, William, Jones, Christine, ...
The galaxy cluster 1E0657-56 (z = 0.296) is remarkably well-suited for addressing outstanding issues in both galaxy evolution and fundamental physics. We present a reconstruction of the mass...
The Shear Testing Programme - I. Weak lensing analysis of simulated ground-based observations (2006)
Heymans, Catherine, Van Waerbeke, Ludovic, Bacon, David, Berge, Joel, Bernstein, Gary, Bertin, Emmanuel, ...
The Shear Testing Programme (STEP) is a collaborative project to improve the accuracy and reliability of all weak lensing measurements in preparation for the next generation of wide-field surveys. In...
The Shear TEsting Programme 1: Weak lensing analysis of simulated ground-based observations (2005)
Heymans, Catherine, Van Waerbeke, Ludovic, Bacon, David, Berge, Joel, Bernstein, Gary, Bertin, Emmanuel, ...
The Shear TEsting Programme, STEP, is a collaborative project to improve the accuracy and reliability of all weak lensing measurements in preparation for the next generation of wide-field surveys. In...
Clowe, Douglas, Gonzalez, Anthony, Markevitch, Maxim
We present a weak lensing mass reconstruction of the interacting cluster 1E0657-558 in which we detect both the main cluster and a sub-cluster. The sub-cluster is identified as a smaller cluster...
Parameterised models for the lensing cluster Abell 1689 (2001)
King, Lindsay, Clowe, Douglas, Schneider, Peter
Here we apply a recently developed maximum likelihood method for determining best-fit parameterised lens models to observations of the rich lensing cluster Abell 1689. The observations that we use...
Numerical Simulations of Weak Lensing Measurements (2000)
Bacon, David, Refregier, Alexandre, Clowe, Douglas, Ellis, Richard
(Abridged) Weak gravitational lensing induces distortions on the images of background galaxies, and thus provides a direct measure of mass fluctuations in the universe. Since the distortions induced...