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Optical-infrared studies of arcs in Abell 370

Aragón Salamanca, Alfonso and Ellis, Richard S. (1990) Optical-infrared studies of arcs in Abell 370. In: Gravitational Lensing. Lecture Notes in Physics. No.360. Springer , Berlin, pp. 288-290.

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We demonstrate the potential of optical-infrared photometry in deciphering the nature of high redshift galaxies responsible for the arcs seen in foreground rich clusters. Using the arcs in Abell 370 as an example, we find that photometry of various portions of the giant arc is consistent with a common spectral energy distribution equivalent to that of a background spiral galaxy as determined spectroscopically by Soucail et al. However, the faint arc A5 is not detected in a deep 2μm exposure, suggesting that the lensed z>1 galaxy is at least as blue as the most extreme star-forming galaxies observed today.

Item Type:Book Section
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URLURL TypeDescription ReadCube access
Aragón Salamanca, Alfonso0000-0001-8215-1256
Ellis, Richard S.0000-0001-7782-7071
Additional Information:© 1990 Springer-Verlag.
Series Name:Lecture Notes in Physics
Issue or Number:360
Record Number:CaltechAUTHORS:20190605-124825719
Persistent URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:96151
Deposited By: Tony Diaz
Deposited On:06 Jun 2019 03:38
Last Modified:16 Nov 2021 17:18

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