Huang, X., Morokuma, T., Fakhouri, H. K., Aldering, G., Amanullah, R., Barbary, K., ...
We report the discovery of a multiply lensed Ly Alpha (Lya) emitter at z = 3.90 behind the massive galaxy cluster WARPS J1415.1+3612 at z = 1.026. Images taken by the Hubble Space Telescope(HST)...
Jee, M. J., Rosati, P., Ford, H. C., Dawson, K. S., Lidman, C., Perlmutter, S., ...
We present a weak-lensing analysis of the z=1.4 galaxy cluster XMMU J2235.3-2557, based on deep Advanced Camera for Surveys images. Despite the observational challenge set by the high redshift of the...
Zheng, W., Bradley, L. D., Bouwens, R. J., Ford, H. C., Illingworth, G. D., Benitez, N., ...
We report on the discovery of three bright, strongly-lensed objects behind Abell 1703 and CL0024+16 from a dropout search over 25 square arcminutes of deep NICMOS data, with deep ACS optical...
Dark Matter in the Galaxy Cluster CL J1226+3332 at Z=0.89 (2008)
We present a weak-lensing analysis of the galaxy cluster CL J1226+3332 at z=0.89 using Hubble Space Telescope Advanced Camera for Surveys images. The cluster is the hottest (>10 keV), most X-ray...
Discovery of a Very Bright Strongly-Lensed Galaxy Candidate at z ~ 7.6 (2008)
Bradley, L. D., Bouwens, R. J., Ford, H. C., Illingworth, G. D., Jee, M. J., Benitez, N., ...
Using HST and Spitzer IRAC imaging, we report the discovery of a very bright strongly lensed Lyman break galaxy (LBG) candidate at z~7.6 in the field of the massive galaxy cluster Abell 1689. The...
Discovery of a Ringlike Dark Matter Structure in the Core of the Galaxy Cluster Cl 0024+17 (2007)
Jee, M. J., Ford, H. C., Illingworth, G. D., White, R. L., Broadhurst, T. J., Coe, D. A., ...
We present a comprehensive mass reconstruction of the rich galaxy cluster Cl 0024+17 at z~0.4 from ACS data, unifying both strong- and weak-lensing constraints. The weak-lensing signal from a dense...
Demarco, R., Rosati, P., Lidman, C., Girardi, M., Nonino, M., Rettura, A., ...
We present results from an extensive spectroscopic survey, carried out with VLT FORS, and from an extensive multiwavelength imaging data set from the HST Advanced Camera for Surveys and ground based...
The Formation Epoch of Early-Type Galaxies in the z ~ 0.9 CL1604 Supercluster (2006)
Homeier, N. L., Mei, S., Blakeslee, J. P., Postman, M., Holden, B., Ford, H. C., ...
We analyse the cluster color-magnitude relation (CMR) for early-type galaxies in two of the richer clusters in the z ~ 0.9 supercluster system to derive average ages and formation redshifts for the...
Clusters at Half Hubble Time: Galaxy Structure and Colors in RXJ0152.7-1357 and MS1054-03 (2006)
Blakeslee, J. P., Holden, B. P., Franx, M., Rosati, P., Bouwens, R. J., Demarco, R., ...
We study the photometric and structural properties of spectroscopically confirmed members in the two massive X-ray--selected z=0.83 galaxy clusters MS1054-03 and RXJ0152-1357 using three-band mosaic...
HST/ACS Multiband Coronagraphic Imaging of the Debris Disk around Beta Pictoris (2006)
Golimowski, D. A., Ardila, D. R., Krist, J. E., Clampin, M., Ford, H. C., Illingworth, G. D., ...
(Abridged.) We present F435W (B), F606W (Broad V), and F814W (Broad I) coronagraphic images of the debris disk around Beta Pictoris obtained with HST's Advanced Camera for Surveys. We confirm that...
Ree, C. H., Rich, R. M., ...
In order to investigate the origin of the far-UV (FUV) flux from the early-type galaxies, Galaxy Evolution Explorer (GALEX) is collecting the UV data for the elliptical-rich clusters at moderate...
Jee, M. J., White, R. L., Ford, H. C., Illingworth, G. D., Blakeslee, J. P., Holden, B., ...
(Abridged) We present a HST/ACS weak-lensing study of RX J0849+4452 and RX J0848+4453, the two most distant (at z=1.26 and z=1.27, respectively) clusters yet measured with weak-lensing. The two...
GALEX Ultraviolet Photometry of Globular Clusters in M31 (2005)
Rich, R. M., Yi, S. K., Bianchi, L., ...
We present ultraviolet photometry for globular clusters (GCs) in M31 from 15 square deg of imaging using the Galaxy Evolution Explorer (GALEX). We detect 200 and 94 GCs with certainty in the...
HST/Acs Weak-Lensing and Chandra X-Ray Studies of the High-Redshift Cluster MS 1054-0321 (2005)
Jee, M. J., White, R. L., Ford, H. C., Blakeslee, J. P., Illingworth, G. D., Coe, D. A., ...
We present Hubble Space Telescope/Advanced Camera for Surveys (ACS) weak-lensing and Chandra X-ray analyses of MS 1054-0321 at z=0.83, the most distant and X-ray luminous cluster in the Einstein...
The Photometric Performance and Calibration of the HST Advanced Camera For Surveys (2005)
Sirianni, M., Jee, M. J., Benitez, N., Blakeslee, J. P., Martel, A. R., Meurer, G., ...
We present the photometric calibration of the HST Advanced Camera for Surveys (ACS). We give here an overview of the performance and calibration of the 2 CCD cameras, the Wide Field Channel (WFC) and...
HST/ACS weak lensing analysis of the galaxy cluster RDCS 1252.9-2927 at z=1.24 (2005)
Lombardi, M., Rosati, P., Blakeslee, J. P., Ettori, S., Demarco, R., Ford, H. C., ...
We present a weak lensing analysis of one of the most distant massive galaxy cluster known, RDCS 1252.9-2927 at z=1.24, using deep images from the Advanced Camera for Survey (ACS) on board the Hubble...
The Transformation of Cluster Galaxies at Intermeidate Redshift (2004)
Homeier, N. L., Demarco, R., Rosati, P., Postman, M., Blakeslee, J. P., Bouwens, R. J., ...
We combine imaging data from the Advanced Camera for Surveys (ACS) with VLT/FORS optical spectroscopy to study the properties of star-forming galaxies in the z=0.837 cluster CL0152-1357. We have...
The Luminosity Functions of the Galaxy Cluster MS1054-0321 at z=0.83 based on ACS Photometry (2004)
Goto, Tomotsugu, Postman, Marc, Cross, Nicholas J. G., Illingworth, G. D., Tran, K., Magee, D., ...
We present new measurements of the galaxy luminosity function (LF) and its dependence on local galaxy density, color, morphology, and clustocentric radius for the massive z=0.83 cluster MS1054-0321....
GALEX Ultraviolet Photometry of Globular Clusters in M31 (2004)
Rich, R. M., Yi, S. K., Bianchi, L., ...
We present ultraviolet photometry for globular clusters (GCs) in M31 from 15 square deg of imaging using the Galaxy Evolution Explorer (GALEX). We detect 200 and 94 GCs with certainty in the...
Ree, C. H., Rich, R. M., ...
In order to investigate the origin of the far-UV (FUV) flux from the early-type galaxies, Galaxy Evolution Explorer (GALEX) is collecting the UV data for the elliptical-rich clusters at moderate...
Weak Lensing Analysis of the z~0.8 cluster CL 0152-1357 with the Advanced Camera for Surveys (2004)
Jee, M. J., White, R. L., Benitez, N., Ford, H. C., Blakeslee, J. P., Rosati, P., ...
We present a weak lensing analysis of the X-ray luminous cluster CL 0152-1357 at z~0.84 using HST/ACS observations. The unparalleled resolution and sensitivity of ACS enable us to measure weakly...
The Evolutionary Status of Clusters of Galaxies at z ~ 1 (2004)
Ford, H., Postman, M., Blakeslee, J. P., Demarco, R., Jee, M. J., Rosati, P., ...
Combined HST, X-ray, and ground-based optical studies show that clusters of galaxies are largely "in place" by $z \sim 1$, an epoch when the Universe was less than half its present age. High...
Ree, C. H., Rich, R. M., ...
In order to investigate the origin of the far-UV (FUV) flux from the early-type galaxies, Galaxy Evolution Explorer (GALEX) is collecting the UV data for the elliptical-rich clusters at moderate...
GALEX Ultraviolet Photometry of Globular Clusters in M31 (2004)
Rich, R. M., Yi, S. K., Bianchi, L., ...
We present ultraviolet photometry for globular clusters (GCs) in M31 from 15 square deg of imaging using the Galaxy Evolution Explorer (GALEX). We detect 200 and 94 GCs with certainty in the...
Ree, C. H., Rich, R. M., ...
In order to investigate the origin of the far-UV (FUV) flux from the early-type galaxies, Galaxy Evolution Explorer (GALEX) is collecting the UV data for the elliptical-rich clusters at moderate...
GALEX Ultraviolet Photometry of Globular Clusters in M31 (2004)
Rich, R. M., Yi, S. K., Bianchi, L., ...
We present ultraviolet photometry for globular clusters (GCs) in M31 from 15 square deg of imaging using the Galaxy Evolution Explorer (GALEX). We detect 200 and 94 GCs with certainty in the...