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Cosmic Gravitational Shear from the HST Medium Deep Survey
Stefano Casertano, Kavan U. Ratnatunga, Richard E. Griffiths
We present a measurement of cosmic shear on scales ranging from $ 10\arcsec $ to $ 2\arcmin $ in 347 WFPC2 images of random fields. Our result is based on shapes measured via image…
Optimal Galaxy Shape Measurements for Weak Lensing Applications Using the Hubble Space Telescope Advanced Camera for Surveys
Yousin Park, Stefano Casertano, Henry C. Ferguson
We present three-epoch multiband (, , ) measurements of galaxy shapes using the ``polar shapelet'' or Laguerre-expansions method with the Hubble Space Te…
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…
Identification of Type Ia Supernovae at Redshift 1.3 and Beyond with the Advanced Camera for Surveys on HST
Adam G. Riess, Louis-Gregory Strolger, John Tonry +15
We present discoveries of SNe Ia at z > 1 and the photometric diagnostic used to discriminate them from other types of SNe detected during the GOODS Hubble Space Telescope Treasury…
Narrow-Angle Astrometry with the Space Interferometry Mission: The Search for Extra-Solar Planets. II. Detection and Characterization of Planetary Systems
A. Sozzetti, S. Casertano, R. A. Brown +1
(Abridged) The probability of detecting additional companions is essentially unchanged with respect to the single-planet configurations, but after fitting and subtraction of orbits…
The GAIA Astrometric Survey of the Solar Neighborhood and its Contribution to the Target Database for DARWIN/TPF
A. Sozzetti, S. Casertano, M. G. Lattanzi +1
We evaluate the potential of the ESA Cornerstone Mission GAIA in helping populate the database of nearby stars ( pc) for subsequent target selection for DARWIN/TPF. The GAI…