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Title:
Higher moments in weak gravitational lensing and dark matter structures
Authors:
Irwin, John; Shmakova, Marina
Affiliation:
AA(Stanford Linear Accelerator Center, Stanford University, Stanford, CA 94309, USA. Corresponding author), AB(Stanford Linear Accelerator Center, Stanford University, Stanford, CA 94309, USA. Corresponding author)
Publication:
New Astronomy Reviews, v. 49, iss. 2-6 [SPECIAL ISSUE], p. 83-91. (NewAR Homepage)
Publication Date:
05/2005
Origin:
ELSEVIER
Keywords:
98.65.‑r, 95.35.+d
DOI:
10.1016/j.newar.2005.01.032
Bibliographic Code:
2005NewAR..49...83I

Abstract

We describe techniques for extracting and analyzing sextupole and other higher-order weakly lensed moments. Indications of substructure, via spatial clumping of curved background galaxies, were observed in both Hubble deep fields. We estimate the dark cluster masses in the deep field.
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Database: Astronomy
Physics
arXiv e-prints