LoCuSS: First Results from Strong-lensing Analysis of 20 Massive Galaxy Clusters at z~0.2 (2009)
Richard, Johan, Smith, Graham, Kneib, Jean-Paul, Ellis, Richard, Sanderson, Alastair, Pei, Liuyi, ...
We present a statistical analysis of a sample of 20 strong lensing clusters drawn from the Local Cluster Substructure Survey (LoCuSS), based on high resolution Hubble Space Telescope imaging of the...
Smith, Graham P., Ebeling, Harald, Limousin, Marceau, Kneib, Jean-Paul, Swinbank, A. M., Ma, Cheng-Jiun, ...
We present Advanced Camera for Surveys observations of MACSJ1149.5+2223, an X-ray luminous galaxy cluster at z=0.544 discovered by the Massive Cluster Survey. The data reveal at least seven...
The zCOSMOS 10k-Bright Spectroscopic Sample (2009)
Lilly, Simon J., Le Brun, Vincent, Maier, Christian, Mainieri, Vincenzo, Mignoli, Marco, Scodeggio, Marco, ...
We present spectroscopic redshifts of a large sample of galaxies with I_(AB) < 22.5 in the COSMOS field, measured from spectra of 10,644 objects that have been obtained in the first two years of...
Marrone, Daniel P., Smith, Graham P., Richard, Johan, Joy, Marshall, Bonamente, Massimiliano, Hasler, Nicole, ...
We present the first measurement of the relationship between the Sunyaev-Zel'dovich effect (SZE) signal and the mass of galaxy clusters that uses gravitational lensing to measure cluster mass, based...
Marrone, Daniel P., Smith, Graham P., Richard, Johan, Joy, Marshall, Bonamente, Massimiliano, Hasler, Nicole, ...
We present the first measurement of the relationship between the Sunyaev-Zel'dovich effect signal and the mass of galaxy clusters that uses gravitational lensing to measure cluster mass, based on 14...
Limousin, Marceau, Jullo, Eric, Richard, Johan, Cabanac, Remi, Kneib, Jean-Paul, Gavazzi, Raphael, ...
A precise modelling of a strong lensing system can be affected by some external mass distribution. In this article, we propose to turn this bother to our advantage and to use precise strong lensing...
Siana, Brian, Smail, Ian, Swinbank, A. Mark, Richard, Johan, Teplitz, Harry I., Coppin, Kristen E. K., ...
We report the results of a Spitzer infrared study of the Cosmic Eye, a strongly lensed, L*_UV Lyman Break Galaxy (LBG) at z=3.074. We obtained Spitzer IRS spectroscopy as well as MIPS 24 and 70...
The Survival of Dark Matter Halos in the Cluster Cl 0024+16 (2009)
Natarajan, Priyamvada, Kneib, Jean-Paul, Smail, Ian, Treu, Tommaso, Ellis, Richard, Moran, Sean, ...
Theories of structure formation in a cold dark matter dominated universe predict that massive clusters of galaxies assemble from the hierarchical merging of lower mass subhalos. Exploiting strong and...
Strong gravitational lensing probes of the particle nature of dark matter (2009)
Moustakas, Leonidas A., Abazajian, Kevork, Benson, Andrew, Bolton, Adam S., Bullock, James S., Chen, Jacqueline, ...
There is a vast menagerie of plausible candidates for the constituents of dark matter, both within and beyond extensions of the Standard Model of particle physics. Each of these candidates may have...
Multi-scale cluster lens mass mapping I. Strong Lensing modelling (2009)
We propose a novel technique to refine the modelling of galaxy clusters mass distribution using gravitational lensing. The idea is to combine the strengths of both "parametric" and "non-parametric"...
Richard, Johan, Pei, Liuyi, Limousin, Marceau, Jullo, Eric, Kneib, Jean-Paul
Strong gravitational lensing is a unique tool to model with great accuracy the inner mass distribution of massive galaxy clusters. In particular, clusters with large Einstein radii provide a wealth...
Richard, Johan, Stark, Daniel P., Ellis, Richard S., George, Matthew R., Egami, Eiichi, Kneib, Jean-Paul, ...
We present the results of a systematic search for gravitationally lensed continuum Lyman break "dropouts" beyond a redshift 7 conducted via very deep imaging through six foreground clusters...
Mentuch, Erin, Scott, Alan, Abraham, Roberto, Barton, Elizabeth, Bershady, Matthew, Bland-Hawthorn, Joss, ...
The Flamingos-2 Tandem Tunable filter is a tunable, narrow-band filter, consisting of two Fabry-Perot etalons in series, capable of scanning to any wavelength from 0.95 to 1.35 microns with a...
First catalog of strong lens candidates in the COSMOS field (2008)
Faure, Cecile, Kneib, Jean-Paul, Covone, Giovanni, Tasca, Lidia, Leauthaud, Alexie, Capak, Peter, ...
We present the first catalog of 67 strong galaxy-galaxy lens candidates discovered in the 1.64 deg^2 Hubble Space Telescope COSMOS survey. Twenty of these systems display multiple images or strongly...
Richard, Johan, Stark, Daniel P., Ellis, Richard S., George, Matthew R., Egami, Eiichi, Kneib, Jean-Paul, ...
We present the results of a systematic search for gravitationally-lensed continuum Lyman break `drop-outs' beyond a redshift 7 conducted via very deep imaging through six foreground clusters...
Sand, David J., Treu, Tommaso, Ellis, Richard S., Smith, Graham P., Kneib, Jean-Paul
We utilize existing data for the galaxy clusters MS 2137–23 and Abell 383 to present improved measures of the distribution of dark and baryonic material in the clusters' central regions. Our...
First catalog of strong lens candidates in the COSMOS field (2008)
Faure, Cecile, Kneib, Jean-Paul, Covone, Giovanni, Tasca, Lidia, Leauthaud, Alexie, Capak, Peter, ...
We present the first catalog of 67 strong galaxy-galaxy lens candidates discovered in the 1.64 square degree Hubble Space Telescope COSMOS survey. Twenty of these systems display multiple images or...
Handbook for the GREAT08 Challenge: An image analysis competition for cosmological lensing (2008)
Bridle, Sarah, Shawe-Taylor, John, Amara, Adam, Applegate, Douglas, Balan, Sreekumar T., Berge, Joel, ...
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 galaxies can be used...
First catalog of strong lens candidates in the COSMOS field (2008)
Faure, Cecile, Kneib, Jean-Paul, Covone, Giovanni, Tasca, Lidia, Leauthaud, Alexie, Capak, Peter, ...
Erratum: "First catalog of strong lens candidates in the COSMOS field" (ApJS, 176, 19 [2008]) (2008)
Faure, Cecile, Kneib, Jean-Paul, Covone, Giovanni, Tasca, Lidia, Leauthaud, Alexie, Capak, Peter, ...
First catalog of strong lens candidates in the COSMOS field (2008)
Faure, Cecile, Kneib, Jean-Paul, Covone, Giovanni, Tasca, Lidia, Leauthaud, Alexie, Capak, Peter, ...
We present the first catalog of 67 strong galaxy-galaxy lens candidates discovered in the 1.64 deg2 Hubble Space Telescope COSMOS survey. Twenty of these systems display multiple images or strongly...
Mentuch, Erin, Scott, Alan D., Abraham, Roberto G., Barton, Elizabeth J., Bershady, Matthew A., Bland-Hawthorn, Joss, ...
Abstract not available.
Mentuch, Erin, Scott, Alan D., Abraham, Roberto G., Barton, Elizabeth J., Bershady, Matthew A., Bland-Hawthorn, Joss, ...
Abstract not reproduced here by request of the publisher. The text is available from: http://dx.doi.org/10.1117/12.789692.
Dark Matter and Baryons in the Most X-ray Luminous and Merging Galaxy Cluster RX J1347.5-1145 (2007)
Bradač, Maruša, Schrabback, Tim, Erben, Thomas, McCourt, Michael, Million, Evan, Mantz, Adam, ...
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 formation and...
The survival of dark matter halos in the cluster Cl0024+16 (2007)
Natarajan, Priyamvada, Kneib, Jean-Paul, Smail, Ian, Treu, Tommaso, Ellis, Richard, Moran, Sean, ...
Theories of structure formation in a cold dark matter dominated Universe predict that massive clusters of galaxies assemble from the hierarchical merging of lower mass subhalos. Exploiting strong and...
A Bayesian approach to strong lensing modelling of galaxy clusters (2007)
Jullo, Eric, Kneib, Jean-Paul, Limousin, Marceau, Elíasdóttir, Árdis, Marshall, Phil, Verdugo, Tomas
In this paper, we describe a procedure for modelling strong lensing galaxy clusters with parametric methods, and to rank models quantitatively using the Bayesian evidence. We use a publicly available...
Telescope search for decaying relic axions (2007)
Grin, Daniel, Covone, Giovanni, Kneib, Jean-Paul, Kamionkowski, Marc, Blain, Andrew, Jullo, Eric
A search for optical line emission from the two-photon decay of relic axions was conducted in the galaxy clusters Abell 2667 and 2390, using spectra from the VIMOS (Visible MultiObject Spectrograph)...
A Keck Survey for Gravitationally-Lensed Lyman-alpha Emitters in the Redshift Range 8.5 (2007)
Stark, Daniel P., Ellis, Richard S., Richard, Johan, Kneib, Jean-Paul, Smith, Graham P., Santos, Michael R.
We discuss new observational constraints on the abundance of faint high redshift Lyman-alpha emitters secured from a deep Keck near-infrared spectroscopic survey which utilizes the strong...
A statistical study of multiply-imaged systems in the lensing cluster Abell 68 (2007)
Richard, Johan, Kneib, Jean-Paul, Jullo, Eric, Covone, Giovanni, Limousin, Marceau, Ellis, Richard, ...
We have carried out an extensive spectroscopic survey with the Keck and VLT telescopes, targeting lensed galaxies in the background of the massive cluster Abell 68. Spectroscopic measurements are...
COSMOS: 3D weak lensing and the growth of structure (2007)
Massey, Richard, Rhodes, Jason, Leauthaud, Alexie, Capak, Peter, Ellis, Richard, Koekemoer, Anton, ...
We present a three dimensional cosmic shear analysis of the Hubble Space Telescope COSMOS survey, the largest ever optical imaging program performed in space. We have measured the shapes of galaxies...
Rhodes, Jason D., Massey, Richard, Albert, Justin, Collins, Nicholas, Ellis, Richard S., Heymans, Catherine, ...
(abridged) We examine the spatial and temporal stability of the HST ACS Wide Field Camera (WFC) point spread function (PSF) using the two square degree COSMOS survey. We show that stochastic aliasing...
Dark matter maps reveal cosmic scaffolding (2007)
Massey, Richard, Rhodes, Jason, Ellis, Richard, Scoville, Nick, Leauthaud, Alexie, Finoguenov, Alexis, ...
Ordinary baryonic particles (such as protons and neutrons) account for only one-sixth of the total matter in the Universe. The remainder is a mysterious "dark matter" component, which does not...
Rhodes, Jason D., Massey, Richard, Albert, Justin, Collins, Nicholas, Ellis, Richard S., Heymans, Catherine, ...
(abridged) We examine the spatial and temporal stability of the HST ACS Wide Field Camera (WFC) point spread function (PSF) using the two square degree COSMOS survey. We show that stochastic aliasing...
Dark matter maps reveal cosmic scaffolding (2007)
Massey, Richard, Rhodes, Jason, Ellis, Richard, Scoville, Nick, Leauthaud, Alexie, Finoguenov, Alexis, ...
Ordinary baryonic particles (such as protons and neutrons) account for only one-sixth of the total matter in the Universe. The remainder is a mysterious "dark matter" component, which does not...
COSMOS: 3D weak lensing and the growth of structure (2007)
Massey, Richard, Rhodes, Jason, Leauthaud, Alexie, Capak, Peter, Ellis, Richard, Koekemoer, Anton, ...
We present a three dimensional cosmic shear analysis of the Hubble Space Telescope COSMOS survey, the largest ever optical imaging program performed in space. We have measured the shapes of galaxies...
Stark, Daniel P., Ellis, Richard S., Richard, Johan, Kneib, Jean-Paul, Smith, Graham P., Santos, Michael R.
We discuss new observational constraints on the abundance of faint high redshift Lyman-alpha emitters secured from a deep Keck near-infrared spectroscopic survey which utilizes the strong...
Dark matter maps reveal cosmic scaffolding (2007)
Massey, Richard, Rhodes, Jason, Ellis, Richard, Scoville, Nick, Leauthaud, Alexie, Finoguenov, Alexis, ...
A Telescope Search for Decaying Relic Axions (2006)
Grin, Daniel, Covone, Giovanni, Kneib, Jean-Paul, Kamionkowski, Marc, Blain, Andrew, Jullo, Eric
A search for optical line emission from the two-photon decay of relic axions was conducted in the galaxy clusters Abell 2667 and 2390, using spectra from the VIMOS (Visible Multi-Object Spectrograph)...
First results from the VIMOS-IFU survey of gravitationally lensing clusters at z~0.2 (2006)
Covone, Giovanni, Kneib, Jean-Paul, Soucail, Genevieve, Jullo, Eric, Richard, Johan
We present the on-going observational program of a VIMOS Integral Field Unit survey of the central regions of massive, gravitational lensing galaxy clusters at redshift z~0.2. We have observed six...
Moran, Sean M., Ellis, Richard S., Treu, Tommaso, Salim, Samir, Rich, R. Michael, Smith, Graham P., ...
We present new results from deep GALEX UV imaging of the cluster Cl 0024+17 at z~0.4. Rest-frame far UV emission is detected from a large fraction of so-called ``passive spiral galaxies'' -a...
Richard, Johan, Pello, Roser, Schaerer, Daniel, Borgne, Jean-Francois Le, Kneib, Jean-Paul
(abridged) We present the first results of our deep survey of lensing clusters aimed at constraining the abundance of star-forming galaxies at z~6-10. Deep near-IR photometry of two lensing clusters...
Detecting compact dark matter in galaxy clusters via gravitational microlensing: A2218 & A370 (2006)
Tuntsov, Artem, Lewis, Geraint, Ibata, Rodrigo, Kneib, Jean-Paul
After decades of searching, the true nature of dark matter still eludes us. One potential probe of the form of dark matter in galaxy clusters is to search for microlensing variability in the giant...
Detection of CO from SMM J16359+6612, The Multiply Imaged Submillimeter Galaxy Behind A2218 (2006)
Sheth, Kartik, Blain, Andrew W., Kneib, Jean-Paul, Frayer, David T., Van Der Werf, P. P., Knudsen, K. K.
We report the detection of CO ($J$=3$\to$2) line emission from all three multiple images (A,B and C) of the intrinsically faint ($\simeq$ 0.8 mJy) submillimeter-selected galaxy SMM J16359+6612. The...
Richard, Johan, Pello, Roser, Schaerer, Daniel, Borgne, Jean-Francois Le, Kneib, Jean-Paul
(abridged) We present the first results of our deep survey of lensing clusters aimed at constraining the abundance of star-forming galaxies at z~6-10. Deep near-IR photometry of two lensing clusters...
Moran, Sean M., Ellis, Richard S., Treu, Tommaso, Salim, Samir, Rich, R. Michael, Smith, Graham P., ...
We present new results from deep GALEX UV imaging of the cluster Cl 0024+17 at z~0.4. Rest-frame far UV emission is detected from a large fraction of so-called ``passive spiral galaxies'' -a...
First results from the VIMOS-IFU survey of gravitationally lensing clusters at z~0.2 (2006)
Covone, Giovanni, Kneib, Jean-Paul, Soucail, Genevieve, Jullo, Eric, Richard, Johan
We present the on-going observational program of a VIMOS Integral Field Unit survey of the central regions of massive, gravitational lensing galaxy clusters at redshift z~0.2. We have observed six...
A VIMOS-IFU survey of $z \sim 0.2$ massive lensing galaxy clusters: constraining cosmography (2006)
Soucail, Genevieve, Covone, Giovanni, Kneib, Jean-Paul
We present an integral field spectroscopy survey of rich clusters of galaxies aimed at studying their lensing properties. Thanks to knowledge of the spectroscopic caracteristics of more than three...
A VIMOS-IFU survey of $z \sim 0.2$ massive lensing galaxy clusters: constraining cosmography (2006)
Soucail, Genevieve, Covone, Giovanni, Kneib, Jean-Paul
We present an integral field spectroscopy survey of rich clusters of galaxies aimed at studying their lensing properties. Thanks to knowledge of the spectroscopic caracteristics of more than three...
A VIMOS-IFU survey of $z \sim 0.2$ massive lensing galaxy clusters: constraining cosmography (2006)
Soucail, Genevieve, Covone, Giovanni, Kneib, Jean-Paul
We present an integral field spectroscopy survey of rich clusters of galaxies aimed at studying their lensing properties. Thanks to knowledge of the spectroscopic caracteristics of more than three...
First results from the VIMOS-IFU survey of gravitationally lensing clusters at z~0.2 (2006)
Covone, Giovanni, Kneib, Jean-Paul, Soucail, Genevieve, Jullo, Eric, Richard, Johan
We present the on-going observational program of a VIMOS Integral Field Unit survey of the central regions of massive, gravitational lensing galaxy clusters at redshift z~0.2. We have observed six...
Moran, Sean M., Ellis, Richard S., Treu, Tommaso, Salim, Samir, Rich, R. Michael, Smith, Graham P., ...
We present new results from deep GALEX UV imaging of the cluster Cl 0024+17 at z~0.4. Rest-frame far UV emission is detected from a large fraction of so-called ``passive spiral galaxies'' -a...
Richard, Johan, Pello, Roser, Schaerer, Daniel, Borgne, Jean-Francois Le, Kneib, Jean-Paul
(abridged) We present the first results of our deep survey of lensing clusters aimed at constraining the abundance of star-forming galaxies at z~6-10. Deep near-IR photometry of two lensing clusters...
First results from the VIMOS-IFU survey of gravitationally lensing clusters at z~0.2 (2006)
Covone, Giovanni, Kneib, Jean-Paul, Soucail, Genevieve, Jullo, Eric, Richard, Johan
We present the on-going observational program of a VIMOS Integral Field Unit survey of the central regions of massive, gravitational lensing galaxy clusters at redshift z~0.2. We have observed six...
Moran, Sean M., Ellis, Richard S., Treu, Tommaso, Salim, Samir, Rich, R. Michael, Smith, Graham P., ...
We present new results from deep GALEX UV imaging of the cluster Cl 0024+17 at z~0.4. Rest-frame far UV emission is detected from a large fraction of so-called ``passive spiral galaxies'' -a...
Richard, Johan, Pello, Roser, Schaerer, Daniel, Borgne, Jean-Francois Le, Kneib, Jean-Paul
(abridged) We present the first results of our deep survey of lensing clusters aimed at constraining the abundance of star-forming galaxies at z~6-10. Deep near-IR photometry of two lensing clusters...
A VIMOS-IFU survey of $z \sim 0.2$ massive lensing galaxy clusters: constraining cosmography (2006)
Soucail, Genevieve, Covone, Giovanni, Kneib, Jean-Paul
We present an integral field spectroscopy survey of rich clusters of galaxies aimed at studying their lensing properties. Thanks to knowledge of the spectroscopic caracteristics of more than three...
A VIMOS-IFU survey of $z \sim 0.2$ massive lensing galaxy clusters: constraining cosmography (2006)
Soucail, Genevieve, Covone, Giovanni, Kneib, Jean-Paul
We present an integral field spectroscopy survey of rich clusters of galaxies aimed at studying their lensing properties. Thanks to knowledge of the spectroscopic caracteristics of more than three...
Smith, Graham P., Kneib, Jean-Paul, Smail, Ian, Mazzotta, Pasquale, Ebeling, Harald, Czoske, Oliver
We present a comprehensive space-based study of ten X-ray luminous galaxy clusters (L_X>=8e44erg/s[0.1-2.4keV]) at z=0.2. Hubble Space Telescope observations reveal numerous gravitationally-lensed...
Kneib, Jean-Paul, Neri, Roberto, Smail, Ian, Blain, Andrew, Sheth, Kartik, Van Der Werf, Paul, ...
We present the results of observations from the IRAM array of the submm galaxy SMMJ16359+6612 lying at z=2.516 behind the massive cluster A2218. The foreground gravitational lens produces 3 images...
Trends in Space Astronomy and Cosmic Vision 2015-2025 (2005)
Turon, Catherine, Done, Chris, Quirrenbach, Andreas, Schneider, Peter, Aerts, Conny, Bazzano, Angela, ...
As a short introduction to the astronomy session, the response of the community to the Call for Themes issued by ESA and the specific themes selected by the Astronomy Working Group are briefly...
Trends in Space Astronomy and Cosmic Vision 2015-2025 (2005)
Turon, Catherine, Done, Chris, Quirrenbach, Andreas, Schneider, Peter, Aerts, Conny, Bazzano, Angela, ...
As a short introduction to the astronomy session, the response of the community to the Call for Themes issued by ESA and the specific themes selected by the Astronomy Working Group are briefly...
Trends in Space Astronomy and Cosmic Vision 2015-2025 (2005)
Turon, Catherine, Done, Chris, Quirrenbach, Andreas, Schneider, Peter, Aerts, Conny, Bazzano, Angela, ...
As a short introduction to the astronomy session, the response of the community to the Call for Themes issued by ESA and the specific themes selected by the Astronomy Working Group are briefly...
Trends in Space Astronomy and Cosmic Vision 2015-2025 (2005)
Turon, Catherine, Done, Chris, Quirrenbach, Andreas, Schneider, Peter, Aerts, Conny, Bazzano, Angela, ...
To be published in the proceedings of the 2005 ESLAB Symposium "Trends in Space Science and Cosmic Vision 2020", held at ESTEC, 19-21 April 2005, F. Favata (ed).
Kneib, Jean-Paul, Neri, Roberto, Smail, Ian, Blain, Andrew, Sheth, Kartik, Van Der Werf, Paul, ...
We present the results of observations from the IRAM array of the submm galaxy SMMJ16359+6612 lying at z=2.516 behind the massive cluster A2218. The foreground gravitational lens produces 3 images...
Kneib, Jean-Paul, Neri, Roberto, Smail, Ian, Blain, Andrew, Sheth, Kartik, Van Der Werf, Paul, ...
We present the results of observations from the IRAM array of the submm galaxy SMMJ16359+6612 lying at z=2.516 behind the massive cluster A2218. The foreground gravitational lens produces 3 images...
Trends in Space Astronomy and Cosmic Vision 2015-2025 (2005)
Turon, Catherine, Done, Chris, Quirrenbach, Andreas, Schneider, Peter, Aerts, Conny, Bazzano, Angela, ...
As a short introduction to the astronomy session, the response of the community to the Call for Themes issued by ESA and the specific themes selected by the Astronomy Working Group are briefly...
Trends in Space Astronomy and Cosmic Vision 2015-2025 (2005)
Turon, Catherine, Done, Chris, Quirrenbach, Andreas, Schneider, Peter, Aerts, Conny, Bazzano, Angela, ...
As a short introduction to the astronomy session, the response of the community to the Call for Themes issued by ESA and the specific themes selected by the Astronomy Working Group are briefly...
Quantifying Substructure Using Galaxy-Galaxy Lensing in Distant Clusters (2004)
Natarajan, Priyamvada, Kneib, Jean-Paul, Smail, Ian, Ellis, Richard
We present high-resolution mass reconstructions for five massive cluster-lenses spanning a redshift range from z = 0.18 - 0.57 utilizing archival Hubble Space Telescope data and applying...
Kneib, Jean-Paul, Neri, Roberto, Smail, Ian, Blain, Andrew, Sheth, Kartik, Van Der Werf, Paul, ...
We present the results of observations from the IRAM array of the submm galaxy SMMJ16359+6612 lying at z=2.516 behind the massive cluster A2218. The foreground gravitational lens produces 3 images...
Detection of CO from SMM J16359+6612, The Multiply Imaged Submillimeter Galaxy Behind A2218 (2004)
Sheth, Kartik, Blain, Andrew W., Kneib, Jean-Paul, Frayer, David T., Van Der Werf, P. P., Knudsen, K. K.
We report the detection of CO ($J$=3$\to$2) line emission from all three multiple images (A,B and C) of the intrinsically faint ($\simeq$ 0.8 mJy) submillimeter-selected galaxy SMM J16359+6612. The...
Detecting compact dark matter in galaxy clusters via gravitational microlensing: A2218 & A370 (2004)
Tuntsov, Artem, Lewis, Geraint, Ibata, Rodrigo, Kneib, Jean-Paul
After decades of searching, the true nature of dark matter still eludes us. One potential probe of the form of dark matter in galaxy clusters is to search for microlensing variability in the giant...
Smith, Graham P., Kneib, Jean-Paul, Smail, Ian, Mazzotta, Pasquale, Ebeling, Harald, Czoske, Oliver
We present a comprehensive space-based study of ten X-ray luminous galaxy clusters (L_X>=8e44erg/s[0.1-2.4keV]) at z=0.2. Hubble Space Telescope observations reveal numerous gravitationally-lensed...
Multiply-imaged submm galaxy in a z~2.5 group (2004)
Kneib, Jean-Paul, Van Der Werf, Paul P., Knudsen, Kirsten Kraiberg, Smail, Ian, Blain, Andrew, Frayer, Dave, ...
We present observations of a remarkable submillimetre-selected galaxy, SMMJ16359+6612. This distant galaxy lies behind the core of a massive cluster of galaxies, A2218, and is gravitationally lensed...
Multiple-Images in the Cluster Lens Abell 2218: Constraining the Geometry of the Universe ? (2004)
Soucail, Genevieve, Kneib, Jean-Paul, Golse, Ghislai
In this Letter we present a detailed study of the lensingconfiguration in the cluster Abell 2218. Four multiple-images systems with measured spectroscopic redshifts have been identified in this...
Multiple-Images in the Cluster Lens Abell 2218: Constraining the Geometry of the Universe ? (2004)
Soucail, Genevieve, Kneib, Jean-Paul, Golse, Ghislai
In this Letter we present a detailed study of the lensingconfiguration in the cluster Abell 2218. Four multiple-images systems with measured spectroscopic redshifts have been identified in this...
Multiple-Images in the Cluster Lens Abell 2218: Constraining the Geometry of the Universe ? (2004)
Soucail, Genevieve, Kneib, Jean-Paul, Golse, Ghislai
In this Letter we present a detailed study of the lensingconfiguration in the cluster Abell 2218. Four multiple-images systems with measured spectroscopic redshifts have been identified in this...
Multiple-Images in the Cluster Lens Abell 2218: Constraining the Geometry of the Universe ? (2004)
Soucail, Genevieve, Kneib, Jean-Paul, Golse, Ghislai
In this Letter we present a detailed study of the lensingconfiguration in the cluster Abell 2218. Four multiple-images systems with measured spectroscopic redshifts have been identified in this...
A Probable z~7 Galaxy Strongly Lensed by the Rich Cluster Abell 2218: Exploring the Dark Ages (2004)
Kneib, Jean-Paul, Ellis, Richard S., Santos, Michael R., Richard, Johan
We discuss the observational properties of a remarkably faint triply-imaged galaxy revealed in a deep z-band ACS observation of the lensing cluster A2218. A well-constrained mass model for the...
Smith, Graham P., Kneib, Jean-Paul, Smail, Ian, Mazzotta, Pasquale, Ebeling, Harald, Czoske, Oliver
We present a comprehensive space-based study of ten X-ray luminous galaxy clusters (L_X>=8e44erg/s[0.1-2.4keV]) at z=0.2. Hubble Space Telescope observations reveal numerous gravitationally-lensed...
Detecting compact dark matter in galaxy clusters via gravitational microlensing: A2218 & A370 (2004)
Tuntsov, Artem, Lewis, Geraint, Ibata, Rodrigo, Kneib, Jean-Paul
After decades of searching, the true nature of dark matter still eludes us. One potential probe of the form of dark matter in galaxy clusters is to search for microlensing variability in the giant...
Detection of CO from SMM J16359+6612, The Multiply Imaged Submillimeter Galaxy Behind A2218 (2004)
Sheth, Kartik, Blain, Andrew W., Kneib, Jean-Paul, Frayer, David T., Van Der Werf, P. P., Knudsen, K. K.
We report the detection of CO ($J$=3$\to$2) line emission from all three multiple images (A,B and C) of the intrinsically faint ($\simeq$ 0.8 mJy) submillimeter-selected galaxy SMM J16359+6612. The...
Detecting compact dark matter in galaxy clusters via gravitational microlensing: A2218 & A370 (2004)
Tuntsov, Artem, Lewis, Geraint, Ibata, Rodrigo, Kneib, Jean-Paul
After decades of searching, the true nature of dark matter still eludes us. One potential probe of the form of dark matter in galaxy clusters is to search for microlensing variability in the giant...
Detection of CO from SMM J16359+6612, The Multiply Imaged Submillimeter Galaxy Behind A2218 (2004)
Sheth, Kartik, Blain, Andrew W., Kneib, Jean-Paul, Frayer, David T., Van Der Werf, P. P., Knudsen, K. K.
We report the detection of CO ($J$=3$\to$2) line emission from all three multiple images (A,B and C) of the intrinsically faint ($\simeq$ 0.8 mJy) submillimeter-selected galaxy SMM J16359+6612. The...
Smith, Graham P., Kneib, Jean-Paul, Smail, Ian, Mazzotta, Pasquale, Ebeling, Harald, Czoske, Oliver
We present a comprehensive space-based study of ten X-ray luminous galaxy clusters (L_X>=8e44erg/s[0.1-2.4keV]) at z=0.2. Hubble Space Telescope observations reveal numerous gravitationally-lensed...
The Abundance of Low-luminosity Lyman alpha Emitters at High Redshift (2003)
Santos, Michael R., Ellis, Richard S., Kneib, Jean-Paul, Richard, Johan, Kuijken, Konrad
We derive the luminosity function of high-redshift Lyman alpha emitting sources from a deep, blind, spectroscopic survey that utilized strong-lensing magnification by intermediate-redshift clusters...
Weak lensing mass distributions for 24 X-Ray Abell Clusters (2003)
Cypriano, Eduardo S., Sodré Jr., Laerte, Kneib, Jean-Paul, Campusano, Luis E.
We use the weak gravitational lensing effect to study the mass distribution and dynamical state of a sample of 24 X-ray luminous clusters of galaxies ($0.05
Kneib, Jean-Paul, Hudelot, Patrick, Ellis, Richard S., Treu, Tommaso, Smith, Graham P., Marshall, Phil, ...
(abridged) We present a comprehensive lensing analysis of the rich cluster Cl0024+1654 based on panoramic sparse-sampled imaging conducted with HST. We demonstrate an ability to detect reliably weak...
The Most Massive Clusters in the Universe (2002)
Czoske, Oliver, Kneib, Jean-Paul, Bardeau, Sebastien
Clusters of galaxies need to be investigated using complementary approaches combining all currently available observational techniques (X-ray, gravitational lensing, dynamics, SZ) on homogeneous...
Measuring Sigma8 with Cluster Lensing : Biases from Unrelaxed Clusters (2002)
Smith, Graham P., Edge, Alastair C., Eke, Vincent R., Nichol, Robert C., Smail, Ian, Kneib, Jean-Paul
We use gravitational lens models and X-ray spectral analysis of ten X-ray luminous galaxy clusters at z~0.2 to study the impact of cluster substructure on attempts to normalize the matter power...
Marty, Philippe B., Kneib, Jean-Paul, Sadat, Rachida, Ebeling, Harald, Smail, Ian
In this paper, a review is given of methods useful for XMM-Newton EPIC data analysis of extended sources, along with some applications to a bright massive cluster of galaxies at z=0.2, Abell 209....
Natarajan, Priyamvada, Loeb, Abraham, Kneib, Jean-Paul, Smail, Ian
The detailed distribution of mass within clusters of galaxies can be used to probe the nature of dark matter. We show that constraints on the extent of the mass distribution around galaxies in the...
Evidence for tidal stripping of dark matter halos in massive cluster-lenses (2002)
Natarajan, Priyamvada, Kneib, Jean-Paul, Smail, Ian
In this letter, we present the results of our study of galaxy-galaxy lensing in massive cluster-lenses spanning $z = 0.17$ to 0.58, utilizing high-quality archival {\it Hubble Space Telescope} ({\it...
The time delay of the quadruple quasar RX J0911.4+0551 (2002)
Hjorth, Jens, Burud, Ingunn, Jaunsen, Andreas O., Schechter, Paul L., Kneib, Jean-Paul, Andersen, Michael I., ...
We present optical lightcurves of the gravitationally lensed components A (=A1+A2+A3) and B of the quadruple quasar RX J0911.4+0551 (z = 2.80). The observations were primarily obtained at the Nordic...
A Redshift z = 6.56 Galaxy Behind the Cluster Abell 370 (2002)
Hu, Esther M., Cowie, Lennox L., McMahon, Richard G., Capak, Peter, Iwamuro, Fumihide, Kneib, Jean-Paul, ...
We report the discovery of a redshift z=6.56 galaxy lying behind the cluster Abell 370. The object HCM 6A was found in a narrowband imaging survey using a 118 Angstrom bandpass filter centered at...
Strong and Weak Lensing Constraints on Galaxy Mass Distribution (2001)
Gravitational Lensing is a UNIQUE tool to constrain the mass distribution of collapsed structures, this is particularly true for galaxies, either on a case by case basis using multiple images of...
Losing Weight: A KECK Spectroscopic Survey of the Massive Cluster of Galaxies RX J1347-1145 (2001)
Cohen, Judith G., Kneib, Jean-Paul
We present a sample of 47 spectroscopically confirmed members of RX J1347-1145, the most luminous X-ray cluster of galaxies discovered to date. With two exceptions, all the galaxies in this sample...
Czoske, Oliver, Moore, Ben, Kneib, Jean-Paul, Soucail, Genevieve
The mass distribution of the rich cluster of galaxies Cl0024+1654 has frequently been used to constrain the nature of dark matter yet a model consistent with all the observational data has been...
Probing the mass distribution in groups of galaxies using gravitational lensing (2001)
Moller, Ole, Natarajan, Priyamvada, Kneib, Jean-Paul, Blain, Andrew
In this paper, we study gravitational lensing by groups of galaxies. Since groups are abundant and therefore have a large covering fraction on the sky, lensing by groups is likely to be very...
Locating the starburst in the SCUBA galaxy, SMM J14011+0252 (2001)
Ivison, Rob, Smail, Ian, Frayer, David, Kneib, Jean-Paul, Blain, Andrew
We present new, multi-wavelength, high-resolution imaging of the luminous, submillimeter galaxy, SMM J14011+0252, an interacting starburst at z = 2.56. Our observations comprise optical imaging from...
Smith, Graham P., Smail, Ian, Kneib, Jean-Paul, Czoske, Oliver, Ebeling, Harald, Edge, Alastair, ...
We present the results of a survey for Extremely Red Objects (EROs) in the fields of ten galaxy cluster lenses at z~0.2, combining high-resolution Hubble Space Telescope imaging with deep K-band...
Ellis, Richard, Santos, Mike, Kneib, Jean-Paul, Kuijken, Konrad
We discuss the physical nature of a remarkably faint pair of Lyman alpha-emitting images discovered close to the giant cD galaxy in the lensing cluster Abell 2218 (z=0.18) during a systematic survey...
Near-infrared Spectroscopy and HST Imaging of a Dusty Starburst ERO (2001)
Smith, Graham P., Treu, Tommaso, Ellis, Richard, Smail, Ian, Kneib, Jean-Paul, Frye, Brenda
We present near-IR spectroscopy and HST imaging of EROJ164023, an Extremely Red Object (ERO) with R-K=5.9 at z=1.05. EROJ164023 is a disk galaxy, with an optical/IR spectral energy distribution which...
A wide-field spectroscopic survey of the cluster of galaxies Cl0024+1654: I. The catalogue (2001)
Czoske, Oliver, Kneib, Jean-Paul, Soucail, Genevieve, Bridges, Terry, Mellier, Yannick, Cuillandre, Jean-Charles
We present the catalogue of a wide-field CFHT/WHT spectroscopic survey of the lensing cluster Cl0024+1654 at z=0.395. This catalogue contains 618 new spectra, of which 581 have identified redshifts....
Gravitational Lensing and Cluster of Galaxies (2000)
Multiple images, giant arcs, Einstein cross, fold, cusp, lip, caustics, critical lines, sources, mapping, time delay, arclets, weak shear, magnification bias, depletion, ellipticities, polarization,...
An HST Lensing Survey of X-ray Luminous Galaxy Clusters: I. A383 (2000)
Smith, Graham P., Kneib, Jean-Paul, Ebeling, Harald, Czoske, Oliver, Smail, Ian
We analyse the mass distribution in the core of A383 (z=0.188), one of 12 X-ray luminous clusters at z~0.2 selected for a comprehensive and unbiased study of the mass distribution in massive...
The Nature of Faint Submillimeter Galaxies (2000)
Smail, Ian, Ivison, Rob, Blain, Andrew, Kneib, Jean-Paul
We summarise the main results on the faint submillimeter (submm) galaxy population which have come from the SCUBA Cluster Lens Survey. We detail our current understanding of the characteristics of...
A combined HST/CFH12k/XMM survey of X-ray luminous clusters of galaxies at z~0.2 (2000)
Czoske, Oliver, Kneib, Jean-Paul, Smail, Ian, Smith, Graham P., Ebeling, Harald
We describe a project to study a sample of X-ray luminous clusters of galaxies at redshift z~0.2 at several scales (with HST/WFPC2 and CFHT/CFH12k) and wavebands (optical and X-ray). The main aims of...
RX J0911+05: A Massive Cluster Lens at z=0.769 (2000)
Kneib, Jean-Paul, Cohen, Judith G., Hjorth, Jens
We report the detection of a massive high-redshift cluster of galaxies near the quadruple quasar RX J0911+05, using the LRIS instrument on the Keck-II telescope. The cluster is found to have a mean...
Gravitational Lensing by Nearby Clusters of Galaxies (2000)
Cypriano, Eduardo S., Sodre' Jr., Laerte, Campusano, Luis E., Kneib, Jean-Paul, Giovanelli, Riccardo, Haynes, Martha P., ...
We present an estimation of the expected number of arcs and arclets in a sample of nearby (z
The diversity of SCUBA-selected galaxies (1999)
Ivison, Rob, Smail, Ian, Barger, Amy, Kneib, Jean-Paul, Blain, Andrew, Owen, Frazer, ...
We present extensive observations of a sample of distant, submm galaxies detected in the field of the massive cluster lens, A1835, using SCUBA. Taken in conjunction with earlier observations of other...
Galaxy-galaxy lensing in clusters: new results (1999)
Natarajan, Priyamvada, Kneib, Jean-Paul, Smail, Ian
A synopsis of the recent results from our study of galaxy-galaxy lensing in clusters is presented. We have applied our analysis techniques to the sample of HST cluster-lenses that span a redshift...
The giant luminous arc Statistics. II. spherical lens models based on ROSAT HRI data (1999)
Molikawa, Kohji, Hattori, Makoto, Kneib, Jean-Paul, Yamashita, Kazuyuki
We present ROSAT HRI X-ray observations of all the galaxy clusters in the Le F\`evre et al. arc survey sample in order to study the spatial distribution of the intra-cluster medium, and examine the...
A Wide-Field Spectroscopic Survey In The Cluster Lens Cl0024+17 (1999)
Czoske, Oliver, Soucail, Genevieve, Kneib, Jean-Paul, Bridges, Terry, Cuillandre, Jean-Charles, Mellier, Yannick
We present a detailed velocity histogram from a wide-field spectroscopic survey in the field of the cluster lens Cl0024 showing an unrelaxed foreground structure in addition to the relaxed main...
Submillimeter-selected galaxies (1999)
Blain, Andrew W., Smail, Ian, Ivison, Rob, Kneib, Jean-Paul
The first generation of submillimeter(submm)-wave surveys are being carried out using the 450/850-micron SCUBA camera at the JCMT on Mauna Kea. These surveys are potentially sensitive to galaxies at...
Galaxy counts at 450 and 850 microns (1999)
Blain, Andrew W., Ivison, Rob, Kneib, Jean-Paul, Smail, Ian
Surveys of the distant Universe have been made using the SCUBA submillimeter(submm)-wave camera at the JCMT. 450- and 850-micron data is taken simultaneously by SCUBA in the same 5-square-arcmin...
Pello, Roser, Kneib, Jean-Paul, Bolzonella, Micol, Miralles, Joan-Marc
We discuss a method aiming to use photometric redshifts in lensing clusters to access the population of distant background sources. The amplification provided by gravitational lensing allows to...
Dust-obscured star formation and AGN fuelling in hierarchical models of galaxy evolution (1999)
Blain, Andrew W., Jameson, Allon, Smail, Ian, Longair, Malcolm, Kneib, Jean-Paul, Ivison, Rob
A large fraction of the luminous distant submm-wave galaxies recently detected using SCUBA on the JCMT appear to be associated with interacting optical counterparts. We investigate these systems...
Submm Continuum Surveys for Obscured Galaxies (1999)
Smail, Ian, Ivison, Rob, Blain, Andrew, Kneib, Jean-Paul, Owen, Frazer
We discuss deep surveys in the submm regime using the SCUBA bolometer array on the JCMT. At 850um SCUBA has resolved the bulk of the submm background (SMBR) detected by COBE into discrete sources...
SCUBA's first-born: SMM J02399-0136 (1999)
Ivison, Rob, Smail, Ian, Blain, Andrew, Kneib, Jean-Paul, Frayer, David
We discuss observations of the submm-selected galaxy, SMM J02399-0136, and what has been learnt about it during the year following its discovery. SMM J02399-0136 was the first distant galaxy detected...
Deep counts of submillimeter galaxies (1998)
Blain, Andrew W., Kneib, Jean-Paul, Ivison, R. J., Smail, Ian
We present the counts of luminous submillimeter (sub-mm) galaxies from an analysis of our survey of the distant Universe through lensing clusters, which uses massive cluster lenses with...
Deep sub-mm surveys with SCUBA (1998)
Smail, Ian, Ivison, Rob, Blain, Andrew, Kneib, Jean-Paul
We review published deep surveys in the submillimeter (sub-mm) regime from the new Sub-millimetre Common User Bolometer Array (SCUBA) on the 15-m James Clerk Maxwell Telescope (JCMT), Mauna Kea,...
Ultra-deep mid-IR survey of a lensing cluster (1998)
Altieri, Bruno, Metcalfe, Leo, Kneib, Jean-Paul, Breen, Brian Mc
We present the first results of mid-infrared (MIR) ultra-deep observations towards the lensing cluster Abell 2390 using the ISOCAM infrared camera on-board ESA's Infrared Space Observatory (ISO)...
Investigating the Dark Matter Distribution with NGST (1998)
Schneider, Peter, Kneib, Jean-Paul
The developments summarized with the name ``weak gravitational lensing'' have led to exciting possibilities to study the (statistical properties of the) dark matter distribution in the Universe....
Campusano, Luis E., Kneib, Jean-Paul, Hardy, Eduardo
We analyze the seldomly discussed lensing effects expected in low-z clusters (z = 0.05-0.15), using as an example the bright arc (z=0.073) discovered by Campusano and Hardy(1996) near the dominant cD...
Natarajan, Priyamvada, Kneib, Jean-Paul, Smail, Ian, Ellis, Richard S.
We present a new wide field image of the distant cluster AC114 ($z=0.31$) obtained with Wide Field and Planetary Camera II onboard the Hubble Space Telescope. This image considerably extends our...
Spectroscopic Confirmation of Redshifts Predicted by Gravitational Lensing (1997)
Ebbels, Tim, Ellis, Richard, Kneib, Jean-Paul, Borgne, Jean-Francois Le, Pello, Roser, Smail, Ian, ...
We present deep spectroscopic measurements of 18 distant field galaxies identified as gravitationally-lensed arcs in a Hubble Space Telescope image of the cluster Abell 2218. Redshifts of these...
Lensing by galaxy halos in clusters of galaxies (1996)
Natarajan, Priyamvada, Kneib, Jean-Paul
Weak shear maps of the outer regions of clusters have been successfully used to map the distribution of mass at large radii from the cluster center. The typical smoothing lengths employed thus far...
Probing the dynamics of cluster-lenses (1996)
Natarajan, Priyamvada, Kneib, Jean-Paul
We propose a new approach to study the dynamical implications of mass models of clusters for the velocity structure of galaxies in the core. Strong and weak lensing data are used to construct the...
The Mass Distribution of CL0939+4713 obtained from a `Weak' Lensing Analysis of a WFPC2 image (1996)
Seitz, Carolin, Kneib, Jean-Paul, Schneider, Peter, Seitz, Stella
The image distortions of high-redshift galaxies caused by gravitational light deflection of foreground clusters of galaxies can be used to reconstruct the two-dimensional surface mass density of...
Effect of Sub-Structure in Clusters on the Local Weak-Shear Field (1995)
Natarajan, Priyamvada, Kneib, Jean-Paul
Weak shear maps of the outer regions of clusters have been successfully used to map the distribution of mass at large radii. The effects of substructure in clusters on such reconstructions of the...
HST Observations of Giant Arcs: High Resolution Imaging Of Distant Field Galaxies. (1995)
Smail, Ian, Dressler, Alan, Kneib, Jean-Paul, Ellis, Richard S., Couch, Warrick J., Sharples, Ray M., ...
We present HST imaging of eight spectroscopically-confirmed giant arcs, pairs and arclets. These objects have all been extensively studied from the ground and we demonstrate the unique advantages of...