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Title:
Peculiar cluster velocities from measurements of the kinematic Sunyaev-Zeldovich effect
Authors:
Rephaeli, Yoel; Lahav, Ofer
Affiliation:
AA(Tel Aviv University, Israel), AB(Cambridge University Institute of Astronomy, England; Institute for Advanced Study, Princeton, NJ)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 372, May 1, 1991, p. 21-24. (ApJ Homepage)
Publication Date:
05/1991
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Galactic Clusters, Peculiar Galaxies, Relic Radiation, Astronomical Models, Evolution (Development), Velocity Measurement
DOI:
10.1086/169950
Bibliographic Code:
1991ApJ...372...21R

Abstract

The feasibility of detemining peculiar cluster velocities from measurements of the kinematic Suniaev-Zel'dovich (SZ) effect is discussed. How the spectral characteristics of the kinematic and thermal SZ effects can be optimally exploited to enable the kinematic intensity change to be determined is shown. A list of clusters is presented for which the kinematic SZ effect might be measurable at the optimal frequency where the thermal SZ effect vanishes.

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Physics
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