Gallazzi, A., Bell, E. F., Wolf, C., Gray, M. E., Papovich, C., Barden, M., ...
We explore the amount of obscured star-formation as a function of environment in the A901/902 supercluster at z=0.165 in conjunction with a field sample drawn from the A901 and CDFS fields, imaged...
Calibration update of the COMBO-17 CDFS catalogue (2008)
Wolf, C., Hildebrandt, H., Taylor, E. N., Meisenheimer, K.
We present an update to the photometric calibration of the COMBO-17 catalogue on the Extended Chandra Deep Field South, which is now consistent with the GaBoDS and MUSYC catalogues. As a result,...
Simon, P., Hetterscheidt, M., Wolf, C., Meisenheimer, K., Hildebrandt, H., Schneider, P., ...
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 of scale down to...
Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bell, E. F., Hornschemeier, A. E., McIntosh, D. H., ...
We report on the X-ray evolution over the last ~9 Gyr of cosmic history (i.e., since z = 1.4) of late-type galaxy populations in the Chandra Deep Field-North and Extended Chandra Deep Field-South...
Heiderman, A. L., Jogee, S., Bacon, D. J., Balogh, M. L., Barden, M., Barazza, F. D., ...
We present a study of galaxies in the STAGES survey of the Abell 901/902 supercluster at z~0.165, based on HST ACS F606W, COMBO-17, Spitzer 24um, XMM-Newton X-ray, and gravitational lensing maps. We...
Frequency and Impact of Galaxy Mergers and Interactions over the last 7 Gyr (2008)
Jogee, S., Miller, S., Penner, K., Bell, E. F., Conselice, C., Skelton, R. E., ...
We explore the history and impact of galaxy mergers and interactions over z~0.24 to 0.80, based on HST ACS, Combo-17, and Spitzer 24 mu data of ~4500 galaxies in the GEMS survey. Using visual and...
Morphological Transformations of Galaxies in the A901/02 Supercluster from STAGES (2008)
Heiderman, A. L., Jogee, S., Bacon, D. J., Balogh, M. L., Barden, M., Barazza, F. D., ...
We present a study of galaxies in the Abell 901/902 Supercluster at z~0.165, based on HST ACS F606W, COMBO-17, Spitzer 24um, XMM-Newton X-ray, and gravitational lensing maps, as part of the STAGES...
Characterizing Barred Galaxies in the Abell 901/902 Supercluster (2008)
Marinova, I., Jogee, S., Bacon, D., Balogh, M., Barden, M., Barazza, F. D., ...
In dense clusters, higher densities at early epochs as well as physical processes, such as ram pressure stripping and tidal interactions become important, and can have direct consequences for the...
Exploring the Impact of Galaxy Interactions over Seven Billion Years with CAS (2008)
Miller, Sarah H., Jogee, S., Conselice, C., Penner, K., Bell, E., Zheng, X., ...
We explore galaxy assembly over the last seven billion years by characterizing "normal" galaxies along the Hubble sequence, against strongly disturbed merging/interacting galaxies with the widely...
A blind test of photometric redshifts on ground-based data (2008)
Hildebrandt, H., Wolf, C., Benitez, N.
Aims. We analyse the relative performance of different photo-z codes in blind applications to ground-based data. Methods. We tested the codes on imaging datasets with different depths and filter...
Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bell, E. F., Hornschemeier, A. E., McIntosh, D. H., ...
Distant galaxy clusters in the COSMOS field found by HIROCS (2007)
Zatloukal, M., Wolf, C., Hippelein, H., Falter, S.
We present the first high-redshift galaxy cluster candidate sample from the HIROCS survey found in the COSMOS field. It results from a combination of public COSMOS with proprietary H-band data on a...
Detection of circumstellar material in a normal Type Ia Supernova (2007)
Patat, F., Chandra, P., Chevalier, R., Justham, S., Podsiadlowski, Ph., Wolf, C., ...
Type Ia supernovae are thought to be thermonuclear explosions of accreting white dwarfs that reach a critical mass limit. Despite their importance as cosmological distance indicators, the nature of...
Environmental dependence of AGN activity in the supercluster A901/2 (2007)
Gilmour, R., Gray, M. E., Almaini, O., Best, P., Wolf, C., Meisenheimer, K., ...
We present XMM data for the supercluster A901/2, at z ~ 0.17, which is combined with deep imaging and 17-band photometric redshifts (from the COMBO-17 survey), 2dF spectra and Spitzer 24um data, to...
Galaxy morphologies and environment in the Abell 901/902 supercluster from COMBO-17 (2007)
Lane, K. P., Gray, M. E., Aragon-Salamanca, A., Wolf, C., Meisenheimer, K.
We present a morphological study of galaxies in the A901/902 supercluster from the COMBO-17 survey. A total of 570 galaxies with photometric redshifts in the range 0.155 < z_phot < 0.185 are visually...
Detection of circumstellar material in a normal type Ia supernova (2007)
Patat, F., Chandra, P., Chevalier, R., Justham, S., Podsialkowski, P., Wolf, C., ...
MicroRNAs in the human heart: A clue to fetal gene reprogramming in heart failure (2007)
Thum, T., Galuppo, P., Wolf, C., Fiedler, J., Kneitz, S., Laake, L.W. Van, ...
Background - Chronic heart failure is characterized by left ventricular remodeling and reactivation of a fetal gene program; the underlying mechanisms are only partly understood. Here we provide...
A hole in the sky - the dependence of the galaxy luminosity function on the environment (2007)
Phleps, S., Wolf, C., Peacock, J. A., Meisenheimer, K., Van Kampen, E.
Distant galaxy clusters in the COSMOS field found by HIROCS (2007)
Zatloukal, M., Röser, H. J., Wolf, C., Hippelein, H., Falter, S.
We present the first high-redshift gal axy cluster candidate sample from the HIROCS survey found in the COSMOS field. It results from a combination of public COSMOS with proprietary H-band data on a...
Morphology-dependent trends of galaxy age with environment in A 901/2 seen with COMBO-17 (2007)
Wolf, C., Gray, M. E., Aragón-Salamanca, A., Lane, K. P., Meisenheimer, K.
We investigate correlations between galaxy age and environment in the A 901/2 supercluster for separate morphologies. Using COMBO-17 data, we define a sample of 530 galaxies, complete at MV - 5 logh...
Simon, P., Hetterscheidt, M., Schirmer, M., Erben, T., Schneider, P., Wolf, C., ...
Aims. An interesting question of contemporary cosmology concerns the relation between the spatial distribution of galaxies and dark matter, which is thought to be the driving force behind the...
Phleps, S., Wolf, C., Peacock, J. A., Meisenheimer, K., Van Kampen, E.
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 different redshift...
Galaxy morphologies and environment in the Abell 901/902 supercluster from COMBO-17 (2007)
Lane, K. P., Gray, M. E., Aragón-Salamanca, A., Wolf, C., Meisenheimer, K.
We present a morphological study of galaxies in the A901/902 supercluster from the COMBO-17 survey. A total of 570 galaxies with photometric redshifts in the range 0.155 < zphot < 0.185 are visually...
Cosmological constraints from COMBO-17 using 3D weak lensing (2007)
Kitching, T. D., Heavens, A. F., Taylor, A. N., Brown, M. L., Meisenheimer, K., Wolf, C., ...
We present the first application of the 3D cosmic shear method developed in Heavens, Kitching & Taylor and the geometric shear-ratio analysis developed in Taylor et al., to the COMBO-17 data set. 3D...
Environmental dependence of active galactic nuclei activity in the supercluster A901/2 (2007)
Gilmour, R., Gray, M. E., Almaini, O., Best, P., Wolf, C., Meisenheimer, K., ...
We present XMM data for the supercluster A901/2, at z ~ 0.17, which is combined with deep imaging and 17-band photometric redshifts (from the COMBO-17 survey), two degree field (2dF) spectra and...
Faber, S. M., Willmer, C. N. A., Wolf, C., Koo, D. C., Weiner, B. J., Newman, J. A., ...
The DEEP2 and COMBO-17 surveys are compared to study luminosity functions of red and blue galaxies to z~1. The two surveys have different methods and sensitivities, but nevertheless results agree....
New spectral templates of galaxies for multi color classification (2007)
Franco, I., Meisenheimer, K., Wolf, C., Bell, E., Nicol, M. H., Tapken, C.
Not Available
Phleps, S., Wolf, C., Peacock, J. A., Meisenheimer, K., Van Kampen, E.
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 different redshift...
Wolf, C., Gray, M. E., Aragon-Salamanca, A., Lane, K. P., Meisenheimer, K.
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, complete at $M_V...
A hole in the sky - The dependence of the galaxy luminosity function on the environment (2006)
Phleps, S., Wolf, C., Peacock, J. A., Meisenheimer, K., Van Kampen, E.
We have developed a method to calculate overdensities in multicolour surveys, and compare the local density contrast measured in galaxy samples with different redshift error distributions. We...
The Reliability of Shape Measurements (2006)
M. Kleinheinrich, T. Erben, K. Meisenheimer, P. Schneider, M. Schirmer, C. Wolf, ...
The Reliability of Shape Measurements
Cosmological constraints from COMBO-17 using 3D weak lensing (2006)
Kitching, T. D., Heavens, A. F., Taylor, A. N., Brown, M. L., Meisenheimer, K., Wolf, C., ...
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 COMBO-17 data set....
Westra, E., Jones, D. Heath, Lidman, C. E., Meisenheimer, K., Athreya, R. M., Wolf, C., ...
Context: Wide-field narrowband surveys are an efficient way of searching large volumes of high-redshift space for distant galaxies. Aims: We describe the Wide Field Imager Lyman-Alpha Search (WFILAS)...
Constraints on SN Ia progenitor time delays from high-z SNe and the star formation history (2006)
Förster, F., Wolf, C., Podsiadlowski, Ph., Han, Z.
We re-assess the question of a systematic time delay between the formation of the progenitor and its explosion in a type Ia supernova (SN Ia) using the Hubble Higher-z Supernova Search sample...
Westra, E., Jones, D. Heath, Lidman, C. E., Meisenheimer, K., Athreya, R. M., Wolf, C., ...
Context: .Wide-field narrowband surveys are an efficient way of searching large volumes of high-redshift space for distant galaxies. Aims: .We describe the Wide Field Imager Lyman-Alpha Search...
Galaxy clustering from COMBO-17:The halo occupation distribution at < z> = 0.6 (2006)
Phleps, S., Peacock, J. A., Meisenheimer, K., Wolf, C.
We present measurements of galaxy clustering at redshift < z >=0.6 using 10 360 galaxies with photometric redshifts over an area of 0.78 deg2 from the COMBO-17 survey. To obtain a result that is...
Weak lensing measurements of dark matter halos of galaxies from COMBO-17 (2006)
Kleinheinrich, M., Schneider, P., Rix, H. W., Erben, T., Wolf, C., Schirmer, M., ...
We present mass estimates for dark matter halos around galaxies from the COMBO-17 survey using weak gravitational lensing. COMBO-17, with photometry in 17 optical filters, provides precise...
Probing the Universe using a mostly virtual survey: The Garching-Bonn Deep Survey (2006)
Hetterscheidt, M., Simon, P., Erben, T., Schneider, P., Schmirmer, M., Dietrich, J. P., ...
Not Available
The stellar masses of 25 000 galaxies at 0.2 < z < 1.0 estimated by the COMBO-17 survey (2006)
Borch, A., Meisenheimer, K., Bell, E. F., Rix, H. W., Wolf, C., Dye, S., ...
We present an analysis of stellar mass estimates for a sample of 25000 galaxies from the COMBO-17 survey over the interval 0.2 < z < 1.0. We have developed, implemented, and tested a new method of...
Studying Distant Dwarf Galaxies with GEMS and SDSS (2006)
Barazza, F. D., Jogee, S., Rix, H. W., Barden, M., Bell, E. F., Caldwell, J. A. R., ...
We study the colors, structural properties, and star formation histories of a sample of ~1600 dwarfs over look-back times of ~3 Gyr (z=0.002-0.25). The sample consists of 401 distant dwarfs drawn...
GEMS Survey Data and Catalog (2005)
Caldwell, J. A. R., McIntosh, D. H., Rix, H-W., Barden, M., Beckwith, S. V. W., Bell, E. F., ...
We describe the data reduction and object cataloging for the GEMS survey, a large-area (800 arcmin^2) two-band (F606W and F850LP) imaging survey with the Advanced Camera for Surveys on HST, centered...
An ultra-cool white dwarf serendipitously found with COMBO-17 (2005)
We report the discovery of an ultra-cool white dwarf in the COMBO-17 survey. So far, only seven objects have been discovered in this rare category of white dwarfs, which are characterized by strong...
Galaxy clustering from COMBO-17: The halo occupation distribution at =0.6 (2005)
Phleps, S., Peacock, J. A., Meisenheimer, K., Wolf, C.
We present measurements of galaxy clustering at redshift =0.6 using 10360 galaxies with photometric redshifts over an area of 0.78 square degree from the COMBO-17 survey. To obtain a result that is...
Red-sequence galaxies with young stars and dust: The cluster Abell 901/902 seen with COMBO-17 (2005)
Wolf, C., Gray, M. E., Meisenheimer, K.
We report the discovery of a rich component of dusty star-forming galaxies contaminating the red-sequence in the supercluster system comprising Abell 901a, 901b and A902 at redshift ~0.17. These...
Faber, S. M., Willmer, C. N. A., Wolf, C., Koo, D. C., Weiner, B. J., Newman, J. A., ...
The DEEP2 and COMBO-17 surveys are used to study the evolution of the luminosity function of red and blue galaxies to $z \sim 1$. Schechter function fits show that, since $z = 1$, $M^*_B$ dims by...
Verfahren zur gestuften Verbrennung von Brennstoffen (2005)
WO 200233317 A UPAB: 20020618 NOVELTY - The method involves subjecting solid fuel to combustion , partial combustion or gasification in combustion chamber (3) in oxygen atmosphere below...
Bei Projektierung und Optimierung von Abfallverbrennungsanlagen mit Rostsystemen wird häufig eine Simulation der Strömungszustände durchgeführt, da viele Betriebsprobleme eng mit...
Weak lensing studies from space with GEMS (2005)
Heymans, C., Brown, M. L., Barden, M., Caldwell, J., Häußler, B., Jahnke, K., ...
The Galaxy Evolution from Morphology and SEDs (GEMS) survey is the largest contiguous field ever imaged in colour by HST with the Advanced Camera for Surveys (ACS), spanning some 900 square arcmins...
The influence of redshift information on galaxy-galaxy lensing measurements (2005)
Kleinheinrich, M., Erben, T., Schneider, P., Wolf, C., Schirmer, M., ...
We investigate how galaxy-galaxy lensing measurements depend on the knowledge of redshifts for lens and source galaxies. Galaxy-galaxy lensing allows one to study dark matter halos of galaxies...
GEMS: Which galaxies dominate the z~0.7 ultraviolet luminosity density? (2005)
Wolf, C., Bell, E. F., McIntosh, D. H., Barden, M., Beckwith, S. V. W., ...
We combine high-resolution images from GEMS with redshifts and spectral energy distributions from COMBO-17 to explore the morphological types of galaxies that dominate the z~0.7 UV luminosity...
Westra, E., Jones, D. Heath, Lidman, C. E., Athreya, R. M., Meisenheimer, K., Wolf, C., ...
We report the spectroscopic confirmation of a compact Lyalpha emitting galaxy at z=5.721. A FORS2 spectrum of the source shows a strong asymmetric line with a flux of 5_10-17 erg s-1 cm-2, making it...
Red-sequence galaxies with young stars and dust: the cluster Abell 901/902 seen with COMBO-17 (2005)
Wolf, C., Gray, M. E., Meisenheimer, K.
We report the discovery of a rich component of dusty star-forming galaxies contaminating the red-sequence in the supercluster system comprising Abell 901a, 901b and A902 at redshift ~0.17. These...
Evolution of the dark matter distribution with three-dimensional weak lensing (2005)
Bacon, D. J., Taylor, A. N., Brown, M. L., Gray, M. E., Wolf, C., Meisenheimer, K., ...
We present a direct detection of the growth of large-scale structure, using weak gravitational lensing and photometric redshift data from the COMBO-17 survey. We use deep R-band imaging of two 0.5 _...
Weak lensing measurements of dark matter halos of galaxies from COMBO-17 (2004)
Kleinheinrich, M., Schneider, P., Erben, T., Wolf, C., Schirmer, M., ...
We present a measurement of mass estimates for dark matter halos around galaxies from the COMBO-17 survey using weak gravitational lensing. COMBO-17 is particularly useful for this kind of...
Evolution of AGN - an optical view (2004)
This article discusses the our changing knowledge of the evolution of AGN from an optical perspective. It focusses on optically-unobscured (type-1) AGN as it is much trickier to investigate the...
Bar Evolution Over the Last Eight Billion Years: A Constant Fraction of Strong Bars in GEMS (2004)
Jogee, S., Barazza, F. D., Shlosman, I., Barden, M., Wolf, C., ...
One third of present-day spirals host optically visible strong bars that drive their dynamical evolution. However, the fundamental question of how bars evolve over cosmological times has yet to be...