2011 | arXiv:1102.2261 | Barnabe, M. and Czoske, O. and Koopmans, L. V. E. and Treu, T. and Bolton, A. S. | ArXiV | Two-dimensional kinematics of SLACS lenses: III. Mass structure and dynamics of early-type lens galaxies beyond z ~ 0.1 | We combine in a self-consistent way the constraints from both gravitational lensing and stellar kinematics to perform a detailed investigation of the internal mass distribution,... More... |
2011 | arXiv:1101.1622 | Dutton, A. A. and Brewer, B. J. and Marshall, P. J. and Auger, M. W. and Treu, T. and Koo, D. C. and Bolton, A. S. and Holden, B. P. and Koopmans, L. V. E. | ArXiV | The SWELLS survey. II. Breaking the disk-halo degeneracy in the spiral galaxy gravitational lens SDSS J2141-0001 | The degeneracy among the disk, bulge and halo contributions to galaxy rotation curves prevents an understanding of the distribution of baryons and dark matter in... More... |
2011 | arXiv:1109.6678 | Shu, Y. and Bolton, A. S. and Schlegel, D. J. and Brinkmann, J. and Dawson, K. S. and Wake, D. A. and Weaver, B. A. | ArXiV | Evolution of The Velocity-Dispersion Function of Luminous Red Galaxies: A Hierarchical Bayesian Measurement | We present a hierarchical Bayesian determination of the velocity-dispersion function of approximately 430,000 massive luminous red galaxies(LRGs) observed at relatively low spectroscopic signal-to-noise ratio (SNR... More... |
2010 | ApJ724(2010)511 | Auger, M. W. and Treu, T. and Bolton, A. S. and Gavazzi, R. and Koopmans, L. V. E. and Marshall, P. J. and Moustakas, L. A. and Burles, S. | Astrophys. J. | The Sloan Lens ACS Survey. X. Stellar, Dynamical, and Total Mass Correlations of Massive Early-type Galaxies | We use stellar masses, surface photometry, strong-lensing masses, and stellar velocity dispersions (σ_ e/2) to investigate empirical correlations for the definitive sample of 73 early-type... More... |
2010 | arXiv:1007.2409 | Auger, M. W. and Treu, T. and Gavazzi, R. and Bolton, A. S. and Koopmans, L. V. E. and Marshall, P. J. | ArXiV | Dark Matter Contraction and the Stellar Content of Massive Early-type Galaxies: Disfavoring Light Initial Mass Functions | We use stellar dynamics, strong lensing, stellar population synthesis models, and weak lensing shear measurements to constrain the dark matter (DM) profile and stellar mass... More... |
2010 | MNRAS406(2010)2339 | Barnabe, M. and Auger, M. W. and Treu, T. and Koopmans, L. V. E. and Bolton, A. S. and Czoske, O. and Gavazzi, R. | Mon. Not. Roy. Astron. Soc. | The non-evolving internal structure of early-type galaxies: the case study SDSSJ0728+3835 at z = 0.206 | We study the internal dynamical structure of the early-type lens galaxy SDSSJ0728+3835 at z = 0.206. The analysis is based on two-dimensional kinematic maps extending... More... |
2010 | ApJ722(2010)779 | Grillo, C. | Astrophys. J. | Projected Central Dark Matter Fractions and Densities in Massive Early-type Galaxies from the Sloan Digital Sky Survey | We investigate in massive early-type galaxies the variation of their two-dimensional central fraction of dark over total mass and dark matter density as a function... More... |
2010 | arXiv:1003.5567 | Treu, T. | ArXiV | Strong Lensing by Galaxies | Strong lensing is a powerful tool to address three major astrophysical issues: understanding the spatial distribution of mass at kpc and sub-kpc scale, where baryons... More... |
2010 | ApJ709(2010)1195 | Treu, T. and Auger, M. W. and Koopmans, L. V. E. and Gavazzi, R. and Marshall, P. J. and Bolton, A. S. | Astrophys. J. | The Initial Mass Function of Early-Type Galaxies | We determine an absolute calibration of the initial mass function (IMF) of early-type galaxies, by studying a sample of 56 gravitational lenses identified by the... More... |
2009 | ApJ705(2009)1099 | Auger, M. W. and Treu, T. and Bolton, A. S. and Gavazzi, R. and Koopmans, L. V. E. and Marshall, P. J. and Bundy, K. and Moustakas, L. A. | Astrophys. J. | The Sloan Lens ACS Survey. IX. Colors, Lensing, and Stellar Masses of Early-Type Galaxies | We present the current photometric data set for the Sloan Lens ACS (SLACS) Survey, including Hubble Space Telescope (HST) photometry from Advanced Camera for Surveys,... More... |
2009 | ApJ704(2009)1135 | Bandara, K. and Crampton, D. and Simard, L. | Astrophys. J. | A Relationship Between Supermassive Black Hole Mass and the Total Gravitational Mass of the Host Galaxy | We investigate the correlation between the mass of a central supermassive black hole (SMBH) and the total gravitational mass of the host galaxy (M _tot).... More... |
2009 | MNRAS399(2009)21 | Barnabe, M. and Czoske, O. and Koopmans, L. V. E. and Treu, T. and Bolton, A. S. and Gavazzi, R. | Mon. Not. Roy. Astron. Soc. | Two-dimensional kinematics of SLACS lenses - II. Combined lensing and dynamics analysis of early-type galaxies at z = 0.08-0.33 | ... More... |
2009 | A&A504(2009)769 | Cardone, V. F. and Tortora, C. and Molinaro, R. and Salzano, V. | Astron. Astrophys. | The global mass-to-light ratio of SLACS lenses | ... More... |
2009 | ApJ706(2009)45 | Coe, D. and Moustakas, L. A. | Astrophys. J. | Cosmological Constraints from Gravitational Lens Time Delays | ... More... |
2009 | arXiv:0811.2391 | Czoske, O. and Barnabe, M. and Koopmans, L. V. E. | ArXiV | Integral-Field Spectroscopy of SLACS Lenses | The combination of two-dimensional kinematics and gravitational lens modelling permits detailed reconstruction of the phase-space structure of early-type galaxies and sets constraints on the dark-matter... More... |
2009 | arXiv:0902.3186 | Koopmans, L. V. E. and Barnabe, M. and Bolton, A. and Bradac, M. and Ciotti, L. and Congdon, A. and Czoske, O. and Dye, S. and Dutton, A. and Elliasdottir, A. and Evans, E. and Fassnacht, C. D. and Jackson, N. and Keeton, C. and Lasio, J. and Moustakas, L. and Meneghetti, M. and Myers, S. and Nipoti, C. and Suyu, S. and van de Ven, G. and Vegetti, S. and Wucknitz, O. and Zhao, H.-S. | ArXiV | Strong Gravitational Lensing as a Probe of Gravity, Dark-Matter and Super-Massive Black Holes | Whereas considerable effort has been afforded in understanding the properties of galaxies, a full physical picture, connecting their baryonic and dark-matter content, super-massive black holes,... More... |
2009 | ApJL703(2009)L51 | Koopmans, L. V. E. and Bolton, A. and Treu, T. and Czoske, O. and Auger, M. W. and Barnab`e, M. and Vegetti, S. and Gavazzi, R. and Moustakas, L. A. and Burles, S. | Astrophys. J. Lett. | The Structure and Dynamics of Massive Early-Type Galaxies: On Homology, Isothermality, and Isotropy Inside One Effective Radius | Based on 58 SLACS strong-lens early-type galaxies (ETGs) with direct total-mass and stellar-velocity dispersion measurements, we find that inside one effective radius massive elliptical galaxies... More... |
2009 | ApJL703(2009)L51 | Koopmans, L. V. E. and Bolton, A. and Treu, T. and Czoske, O. and Auger, M. W. and Barnab`e, M. and Vegetti, S. and Gavazzi, R. and Moustakas, L. A. and Burles, S. | Astrophys. J. Lett. | The Structure and Dynamics of Massive Early-Type Galaxies: On Homology, Isothermality, and Isotropy Inside One Effective Radius | Based on 58 SLACS strong-lens early-type galaxies (ETGs) with direct total-mass and stellar-velocity dispersion measurements, we find that inside one effective radius massive elliptical galaxies... More... |
2009 | arXiv:0902.3219 | Moustakas, L. A. and Abazajian, K. and Benson, A. and Bolton, A. S. and Bullock, J. S. and Chen, J. and Cheng, E. and Coe, D, et al. | ArXiV | Strong gravitational lensing probes of the particle nature of dark matter | 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... More... |
2009 | ApJ696(2009)1125 | Newton, E. R. and Marshall, P. J. and Treu, T. | Astrophys. J. | Enhanced Lensing Rate by Clustering of Massive Galaxies: Newly Discovered Systems in the Slacs Fields | Galaxy-scale strong gravitational lens systems are useful for a variety of astrophysical applications. However, their use is limited by the relatively small samples of lenses... More... |
2009 | ApJL706(2009)L86 | Nipoti, C. and Treu, T. and Auger, M. W. and Bolton, A. S. | Astrophys. J. Lett. | Can Dry Merging Explain the Size Evolution of Early-Type Galaxies? | The characteristic size of early-type galaxies (ETGs) of given stellar mass is observed to increase significantly with cosmic time, from redshift z gsim 2 to... More... |
2009 | ApJ690(2009)670 | Treu, T. and Gavazzi, R. and Gorecki, A. and Marshall, P. J. and Koopmans, L. V. E. and Bolton, A. S. and Moustakas, L. A. and Burles, S. | Astrophys. J. | The SLACS Survey. VIII. The Relation between Environment and Internal Structure of Early-Type Galaxies | We study the relation between the internal structure of early-type galaxies and their environment using 70 strong gravitational lenses from the SLACS Survey. The Sloan... More... |
2009 | A&A501(2009)475 | Tu, H. and Gavazz | Astron. Astrophys. | The mass profile of early-type galaxies in overdense environments: the case of the double source-plane gravitational lens SL2SJ02176-0513 | Context: The Strong Lensing Legacy Survey (SL2S) provides a sample of the strong lensing events associated with massive distant galaxies, some of which lie in... More... |
2009 | MNRAS392(2009)945 | Vegetti, S. and Koopmans, L. V. E. | Mon. Not. Roy. Astron. Soc. | Bayesian strong gravitational-lens modelling on adaptive grids: objective detection of mass substructure in Galaxies | We introduce a new adaptive and fully Bayesian grid-based method to model strong gravitational lenses with extended images. The primary goal of this method is... More... |
2009 | arXiv:0910.0760 | Vegetti, S. and Koopmans, L. V. E. and Bolton, A. and Treu, T. and Gavazzi, R. | ArXiV | Detection of a Dark Substructure through Gravitational Imaging | We report the detection of a dark substructure through direct gravitational imaging - undetected in the HST-ACS F814W image - in the gravitational lens galaxy... More... |
2008 | ApJ682(2008)964 | Bolton, A. S. and Burles, S. and Koopmans, L. V. E. and Treu, T. and Gavazzi, R. and Moustakas, L. A. and Wayth, R. and Schlegel, D. J. | Astrophys. J. | The Sloan Lens ACS Survey. V. The Full ACS Strong-Lens Sample | We present the definitive data for the full sample of 131 strong gravitational lens candidates observed with the Advanced Camera for Surveys (ACS) aboard the... More... |
2008 | ApJ684(2008)248 | Bolton, A. S. and Treu, T. and Koopmans, L. V. E. and Gavazzi, R. and Moustakas, L. A. and Burles, S. and Schlegel, D. J. and Wayth, R. | Astrophys. J. | The Sloan Lens ACS Survey. VII. Elliptical Galaxy Scaling Laws from Direct Observational Mass Measurements | We use a sample of 53 massive early-type strong gravitational lens galaxies with well-measured redshifts (ranging from z=0.06 to 0.36) and stellar velocity dispersions (between... More... |
2008 | MNRAS384(2008)987 | Czoske, O. and Barnabe, M. and Koopmans, L. V. E. and Treu, T. and Bolton, A. S. | Mon. Not. Roy. Astron. Soc. | Two-dimensional kinematics of SLACS lenses - I. Phase-space analysis of the early-type galaxy SDSSJ2321-097 at z ~{} 0.1 | We present the first results of a combined VLT VIMOS integral-field unit and Hubble Space Telescope (HST)/ACS study of the early-type lens galaxy SDSSJ2321-097 at... More... |
2008 | ApJ685(2008)57 | Dobler, G. and Keeton, C. R. and Bolton, A. S. and Burles, S. | Astrophys. J. | Lensing Probabilities for Spectroscopically Selected Galaxy-Galaxy Strong Lenses | Spectroscopic galaxy-galaxy lens searches are presently the most prolific method of identifying strong lens systems in large data sets. We study the probabilities associated with... More... |
2008 | ApJ677(2008)1046 | Gavazzi, R. and Treu, T. and Koopmans, L. V. E. and Bolton, A. S. and Moustakas, L. A. and Burles, S. and Marshall, P. J. | Astrophys. J. | The Sloan Lens ACS Survey. VI. Discovery and Analysis of a Double Einstein Ring | We report the discovery of two concentric Einstein rings around the gravitational lens SDSS J0946+1006. The main lens is at redshift z_l=0.222, while the inner... More... |
2008 | MNRAS390(2008)349 | Nipoti, C. and Treu, T. and Bolton, A. S. | Mon. Not. Roy. Astron. Soc. | Mass distribution and orbital anisotropy of early-type galaxies: constraints from the mass plane | Massive early-type galaxies are observed to lie on the mass plane (MP), a two-dimensional manifold in the space of effective radius R_e, projected mass M^p_e2... More... |
2008 | ApJ674(2008)711 | Sand, D. J. and Treu, T. and Ellis, R. S. and Smith, G. P. and Kneib, J.-P. | Astrophys. J. | Separating Baryons and Dark Matter in Cluster Cores: A Full Two-dimensional Lensing and Dynamic Analysis of Abell 383 and MS 2137-23 | 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... More... |
2007 | astro-ph/0703312 | Bolton, A. S. and Burles, S. | ArXiV | An integral-field spectroscopic strong lens survey | We present the observational results of a survey for strong gravitational lens systems consisting of extended emission-line galaxies lensed by intervening early-type galaxies, conducted using... More... |
2007 | ApJ667(2007)176 | Gavazzi, R. and Treu, T. and Rhodes, J. D. and Koopmans, L. V. E. and Bolton, A. S. and Burles, S. and Massey, R. J. and Moustakas, L. A. | Astrophys. J. | The Sloan Lens ACS Survey. IV. The Mass Density Profile of Early-Type Galaxies out to 100 Effective Radii | We present a weak-lensing analysis of 22 early-type (strong) lens galaxies, based on deep HST images obtained as part of the Sloan Lens ACS Survey.... More... |
2006 | ApJ638(2006)703 | Bolton, A. S. and Burles, S. and Koopmans, L. V. E. and Treu, T. and Moustakas, L. A. | Astrophys. J. | The Sloan Lens ACS Survey. I. A Large Spectroscopically Selected Sample of Massive Early-Type Lens Galaxies | The Sloan Lens ACS (SLACS) Survey is an efficient Hubble Space Telescope (HST) Snapshot imaging survey for new galaxy-scale strong gravitational lenses. The targeted lens... More... |
2006 | ApJL646(2006)L45 | Bolton, A. S. and Moustakas, L. A. and Stern, D. and Burles, S. and Dey, A. and Spinrad, H. | Astrophys. J. Lett. | A New Einstein Cross: A Highly Magnified, Intrinsically Faint Lyα Emitter at z=2.7 | We report the discovery of a new Einstein cross at redshift z_source=2.701 based on Lyα emission in a cruciform configuration around an SDSS luminous red... More... |
2006 | ApJ637(2006)608 | Brewer, B. J. and Lewis, G. F. | Astrophys. J. | Strong Gravitational Lens Inversion: A Bayesian Approach | If an extended source, such as a galaxy, is gravitationally lensed by a massive object in the foreground, the lensing distorts the observed image. It... More... |
2006 | ApJ649(2006)599 | Koopmans, L. V. E. and Treu, T. and Bolton, A. S. and Burles, S. and Moustakas, L. A. | Astrophys. J. | The Sloan Lens ACS Survey. III. The Structure and Formation of Early-Type Galaxies and Their Evolution since z ~ 1 | We present a joint gravitational lensing and stellar-dynamical analysis of 15 massive field early-type galaxies selected from the Sloan Lens ACS (SLACS) Survey. The following... More... |
2006 | MNRAS365(2006)496 | Moller, O. and Noordermeer, E. | Mon. Not. Roy. Astron. Soc. | The kinematical structure of gravitationally lensed arcs | In this paper, the expected properties of the velocity fields of strongly lensed arcs behind galaxy clusters are investigated. The velocity profile along typical lensed... More... |
2006 | MNRAS371(2006)983 | Suyu, S. H. and Marshall, P. J. and Hobson, M. P. and Blandford, R. D. | Mon. Not. Roy. Astron. Soc. | A Bayesian analysis of regularized source inversions in gravitational lensing | Strong gravitational lens systems with extended sources are of special interest because they provide additional constraints on the models of the lens systems. To use... More... |
2006 | ApJ640(2006)662 | Treu, T. and Koopmans, L. V. and Bolton, A. S. and Burles, S. and Moustakas, L. A. | Astrophys. J. | The Sloan Lens ACS Survey. II. Stellar Populations and Internal Structure of Early-Type Lens Galaxies | We use HST images to derive effective radii and effective surface brightnesses of 15 early-type (E+S0) lens galaxies identified by the SLACS Survey. Our measurements... More... |
2005 | ApJL624(2005)L21 | Bolton, A. S. and Burles, S. and Koopmans, L. V. E. and Treu, T. and Moustakas, L. A. | Astrophys. J. Lett. | SDSS J140228.22+632133.3: A New Spectroscopically Selected Gravitational Lens | We present Gemini integral-field unit spectroscopy and Hubble Space Telescope (HST) F435W- and F814W-band images of a newly discovered four-image gravitational lens, SDSS J140228.22+632133.3 (hereafter... More... |
2005 | ApJ623(2005)31 | Dye, S. and Warren, S. J. | Astrophys. J. | Decomposition of the Visible and Dark Matter in the Einstein Ring 0047-2808 by Semilinear Inversion | We measure the mass density profile of the lens galaxy in the Einstein ring system 0047-2808 using our semilinear inversion method developed in an earlier... More... |
2005 | astro-ph/0412089 | Kochanek, C. S. | ArXiV | Where Does The Dark Matter Begin? | While there is convincing evidence that the central regions (r < R_e) of early-type galaxies are dominated by stars and that the outer regions (r... More... |
2005 | MNRAS363(2005)1136 | Koopmans, L. V. E. | Mon. Not. Roy. Astron. Soc. | Gravitational imaging of cold dark matter substructures | We propose the novel method of 'gravitational imaging' to detect and quantify luminous and dark matter substructures in gravitational lens galaxies. The method utilizes highly... More... |
2004 | AstronJ127(2004)1860 | Bolton, A. S. and Burles, S. and Schlegel, D. J. and Eisenstein, D. J. and Brinkmann, J. | Astron. J. | Sloan Digital Sky Survey Spectroscopic Lens Search. I. Discovery of Intermediate-Redshift Star-forming Galaxies behind Foreground Luminous Red Galaxies | We present a catalog of 49 spectroscopic strong gravitational lens candidates selected from a Sloan Digital Sky Survey sample of 50,996 luminous red galaxies. Potentially... More... |
2004 | ApJ604(2004)88 | Sand, D. J. and Treu, T. and Smith, G. P. and Ellis, R. S. | Astrophys. J. | The Dark Matter Distribution in the Central Regions of Galaxy Clusters: Implications for Cold Dark Matter | We have undertaken a spectroscopic survey of gravitational arcs in a carefully chosen sample of six clusters, each containing a dominant brightest cluster galaxy. We... More... |
2004 | ApJ611(2004)739 | Treu, T. and Koopmans, L. V. E. | Astrophys. J. | Massive Dark Matter Halos and Evolution of Early-Type Galaxies to z ~ 1 | The combination of gravitational lensing and stellar dynamics breaks the mass-anisotropy degeneracy and provides stringent constraints on the distribution of luminous and dark matter in... More... |
2003 | astro-ph/0309465 | Sand, D. J. and Treu, T. and Smith, G. P. and Ellis, R. S. | ArXiV | The Dark Matter Distribution in the Central Regions of Galaxy Clusters: Implications for CDM | We have undertaken a spectroscopic survey of gravitational arcs in a carefully chosen sample of six clusters each containing a dominant brightest cluster galaxy. We... More... |
2003 | ApJ590(2003)673 | Warren, S. J. and Dye, S. | Astrophys. J. | Semilinear Gravitational Lens Inversion | We describe a new method for analyzing gravitational lens images, for the case in which the source light distribution is pixelized. The method is suitable... More... |
1994 | A&A284(1994)285 | Kormann, R. and Schneider, P. and Bartelmann, M. | Astron. Astrophys. | Isothermal elliptical gravitational lens models | Gravitational lens models for observed lensing systems are often based on quasi-elliptical lenses. The use of elliptical mass distributions is motivated by observations of galaxies... More... |