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ACS Observations of a Strongly Lensed Arc in a Field Elliptical
J. P. Blakeslee, K. C. Zekser, N. Benitez +15
We report the discovery of a strongly lensed arc system around a field elliptical galaxy in Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) images of a parallel fiel…
Joint X-Ray and Optical Measurements of the Mass Distribution of the Distant Galaxy Cluster CLJ 0152.7-1357
Zhi-Ying Huo, Sui-Jian Xue, Haiguang Xu +2
We present joint X-ray and optical observations of the high redshift (z~0.83) lensing cluster CLJ0152.7-1357 made with the Chandra X-ray Observatory and the Keck telescope. We conf…
The Chandra Deep Field South: Optical Spectroscopy I
G. P. Szokoly, J. Bergeron, G. Hasinger +15
We present the results of our spectroscopic follow-up program of the X-ray sources detected in the 942 ks exposure of the Chandra Deep Field South (CDFS). 288 possible counterparts…
Discovery of Globular Clusters in the Proto-Spiral NGC2915: Implications for Hierarchical Galaxy Evolution
G. R. Meurer, J. P. Blakeslee, M. Sirianni +30
We have discovered three globular clusters beyond the Holmberg radius in Hubble Space Telescope Advanced Camera for Surveys images of the gas-rich dark matter dominated blue compac…
The Great Observatories Origins Deep Survey: Initial Results From Optical and Near-Infrared Imaging
M. Giavalisco, the GOODS Team
This Special Issue of the Astrophysical Journal Letters is dedicated to presenting initial results from the Great Observatories Origins Deep Survey (GOODS) that are primarily, but…
Faint Galaxies in deep ACS observations
N. Benitez, H. Ford, R. Bouwens +33
We present the analysis of the faint galaxy population in the Advanced Camera for Surveys (ACS) Early Release Observation fields VV 29 (UGC 10214) and NGC 4676. Here we attempt to…