301 citations · 1.6k across the 32 of their papers we have counts for
13 papers · 1 filter
COMBO-17 measurements of the effect of environment on the type-dependent galaxy luminosity function
S. Phleps, C. Wolf, J. A. Peacock +2
We have developed a method to calculate overdensities in multicolour surveys, facilitating a direct comparison of the local density contrast measured using galaxy samples that have…
Morphology-dependent trends of galaxy age with environment in Abell 901/902 seen with COMBO-17
C. Wolf, M. E. Gray, A. Aragon-Salamanca +2
We investigate correlations between galaxy age and environment in the Abell 901/2 supercluster for separate morphologies. Using COMBO-17 data, we define a sample of 530 galaxies, c…
Cosmological constraints from COMBO-17 using 3D weak lensing
T. D. Kitching, A. F. Heavens, A. N. Taylor +5
We present the first application of the 3D cosmic shear method developed in Heavens et al. (2006) and the geometric shear-ratio analysis developed in Taylor et al. (2006), to the C…
Cosmological Implications of the Second Parameter of Type Ia Supernovae
Philipp Podsiadlowski, Paolo A. Mazzali, Pierre Lesaffre +2
Theoretical models predict that the initial metallicity of the progenitor of a Type Ia supernova (SN Ia) affects the peak of the supernova light curve. This can cause a deviation f…
Bayesian Photometric Redshifts for Weak Lensing Applications
Edward Edmondson, Lance Miller, Christian Wolf
The next generation of weak gravitational lensing surveys is capable of generating good measurements of cosmological parameters, provided that, amongst other requirements, adequate…
A weak lensing estimate from GEMS of the virial to stellar mass ratio in massive galaxies to z~0.8
Catherine Heymans, Eric F. Bell, Hans-Walter Rix +14
We present constraints on the evolution of the virial to stellar mass ratio of galaxies with high stellar masses in the redshift range 0.2<z<0.8, by comparing weak lensing measurem…