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CARS: the CFHTLS-Archive-Research Survey; I. Five-band multi-colour data from 37 sq. deg. CFHTLS-Wide observations
T. Erben, H. Hildebrandt, M. Lerchster +10
We present the CFHTLS-Archive-Research Survey (CARS). It is a virtual multi-colour survey based on public archive images from the CFHT-Legacy-Survey. Our main scientific interests…
Kinematic modeling of disk galaxies III. The warped "Spindle" NGC 2685
G. I. G. Jozsa, T. A. Oosterloo, R. Morganti +2
This is the third of a series of papers in which the structure and kinematics of disk galaxies is studied. Employing direct tilted-ring fits to the data cube as introduced in Paper…
Relative clustering and the joint halo occupation distribution of red-sequence and blue-cloud galaxies in COMBO-17
P. Simon, M. Hetterscheidt, C. Wolf +5
This paper studies the relative spatial distribution of red-sequence and blue-cloud galaxies, and their relation to the dark matter distribution in the COMBO-17 survey as function…
Handbook for the GREAT08 Challenge: An image analysis competition for cosmological lensing
Sarah Bridle, John Shawe-Taylor, Adam Amara +35
The GRavitational lEnsing Accuracy Testing 2008 (GREAT08) Challenge focuses on a problem that is of crucial importance for future observations in cosmology. The shapes of distant g…
The mass distribution of RX J1347-1145 from strong lensing
A. Halkola, H. Hildebrandt, T. Schrabback +5
High resolution HST/ACS images of the galaxy cluster RX J1347-1145 have enabled us to identify several new multiple image candidates in the cluster, including a 5 image system with…
Dark Matter and Baryons in the Most X-ray Luminous and Merging Galaxy Cluster RX J1347.5-1145
Maruša Bradač, Tim Schrabback, Thomas Erben +12
The galaxy cluster RX J1347-1145 is one of the most X-ray luminous and most massive clusters known. Its extreme mass makes it a prime target for studying issues addressing cluster…
ARCRAIDER I: Detailed optical and X-ray analysis of the cooling flow cluster Z3146
W. Kausch, M. Gitti, T. Erben +1
We present a detailed analysis of the medium redshift (z=0.2906) galaxy cluster Z3146 which is part of the ongoing ARCRAIDER project, a systematic search for gravitational arcs in…
BLOX: The Bonn Lensing, Optical, and X-ray selected galaxy clusters -- I. Cluster catalog construction
J. P. Dietrich, T. Erben, G. Lamer +4
The mass function of galaxy clusters is an important cosmological probe. Differences in the selection method could potentially lead to biases when determining the mass function. Fr…
The Garching-Bonn Deep Survey (GaBoDS) Wide-Field-Imaging Reduction Pipeline
H. Hildebrandt, T. Erben, M. Schirmer +2
We introduce our publicly available Wide-Field-Imaging reduction pipeline THELI. The procedures applied for the efficient pre-reduction and astrometric calibration are presented. A…
Cosmological Constraints From the 100 Square Degree Weak Lensing Survey
Jonathan Benjamin, Catherine Heymans, Elisabetta Semboloni +7
We present a cosmic shear analysis of the 100 square degree weak lensing survey, combining data from the CFHTLS-Wide, RCS, VIRMOS-DESCART and GaBoDS surveys. Spanning ~100 square d…
The Shear TEsting Programme 2: Factors affecting high precision weak lensing analyses
Richard Massey, Catherine Heymans, Joel Berge +28
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-fi…
GaBoDS: The Garching-Bonn Deep Survey -- IX. A sample of 158 shear-selected mass concentration candidates
Mischa Schirmer, Thomas Erben, Marco Hetterscheidt +1
The aim of the present work is the construction of a mass-selected galaxy cluster sample based on weak gravitational lensing methods. This sample will be subject to spectroscopic f…
GaBoDS: The Garching-Bonn Deep Survey: VI. Cosmic shear analysis
M. Hetterscheidt, P. Simon, M. Schirmer +4
Aims. We present a cosmic shear analysis and data validation of 15 square degree high-quality R-band data of the Garching-Bonn Deep Survey obtained with the Wide Field Imager of th…
GaBoDS: The Garching-Bonn Deep Survey: VII. Probing galaxy bias using weak gravitational lensing
P. Simon, M. Hetterscheidt, M. Schirmer +4
[ABRIDGED] The weak gravitational lensing effect is used to infer matter density fluctuations within the field-of-view of the Garching-Bonn Deep Survey (GaBoDS). This information i…
Cosmic shear analysis of archival HST/ACS data: I. Comparison of early ACS pure parallel data to the HST/GEMS Survey
T. Schrabback, T. Erben, P. Simon +9
This is the first paper of a series describing our measurement of weak lensing by large-scale structure using archival observations from the Advanced Camera for Surveys (ACS) on bo…
GaBoDS: The Garching-Bonn Deep Survey VIII. Lyman-break galaxies in the ESO Deep Public Survey
H. Hildebrandt, J. Pielorz, T. Erben +4
Aims. The clustering properties of a large sample of U-dropouts are investigated and compared to very precise results for B-dropouts from other studies to identify a possible evolu…
Studying the Nature of Dark Energy with Galaxy Clusters
Thomas H. Reiprich, Daniel S. Hudson, Thomas Erben +1
We report on the status of our effort to constrain the nature of dark energy through the evolution of the cluster mass function. Chandra temperature profiles for 31 clusters from a…
GaBoDS: The Garching-Bonn Deep Survey V. Data release of the ESO Deep-Public-Survey
H. Hildebrandt, T. Erben, J. P. Dietrich +8
Aims. In this paper the optical data of the ESO Deep-Public-Survey observed with the Wide Field Imager and reduced with the THELI pipeline are described. Methods. Here we present 6…
The Shear TEsting Programme 1: Weak lensing analysis of simulated ground-based observations
Catherine Heymans, Ludovic Van Waerbeke, David Bacon +22
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 wid…
Searching for galaxy clusters using the aperture mass statistics in 50 VLT fields
M. Hetterscheidt, T. Erben, P. Schneider +3
Application of the aperture mass (Map-) statistics provides a weak lensing method for the detection of cluster-sized dark matter halos. We present a new aperture filter function an…
The dark clump near Abell 1942: dark matter halo or statistical fluke?
A. von der Linden, T. Erben, P. Schneider +1
Weak lensing surveys provide the possibility of identifying dark matter halos based on their total matter content rather than just the luminous matter content. On the basis of two…
GaBoDS: The Garching-Bonn Deep Survey; IV. Methods for the Image reduction of multi-chip Cameras
T. Erben, M. Schirmer, J. P. Dietrich +21
We present our image processing system for the reduction of optical imaging data from multi-chip cameras. In the framework of the Garching Bonn Deep Survey (GaBoDS; Schirmer et al.…
The galaxy-dark matter bias in the Garching-Bonn Deep Survey
Patrick Simon, Peter Schneider, Thomas Erben +3
We measured the bias and correlation factor of galaxies with respect to the dark matter using the aperture statistics including the aperture mass from weak gravitational lensing. T…
GaBoDS: The Garching-Bonn Deep Survey - III. Lyman-Break Galaxies in the Chandra Deep Field South
H. Hildebrandt, D. J. Bomans, T. Erben +10
We present first results of our search for high-redshift galaxies in deep CCD mosaic images. As a pilot study for a larger survey, very deep images of the Chandra Deep Field South…