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The image plane approach to cosmic telescopes

Published online by Cambridge University Press:  27 October 2016

Masamune Oguri
Masamune Oguri*
Affiliation:
Research Center for the Early Universe, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU, WPI), University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8583, Japan
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Abstract

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Studies of high-redshift galaxies behind the cores of mass clusters require the correction of gravitational lensing effects. We present our approach to estimate shapes, magnitudes, and the selection effect of high-redshift galaxies in the image plane, which allows us to include not only lensing magnifications but also lensing distortions and image multiplications. For this purpose we construct new mass models for the Frontier Fields clusters using the public software glafic. We present some results on faint-end slopes of the luminosity function and the size evolution of high-redshift galaxies from the analysis of Frontier Fields clusters.

Keywords

Gravitational lensinghigh-redshift galaxies
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , General Assembly A29B: Astronomy in Focus , August 2015 , pp. 783 - 784
Copyright
Copyright © International Astronomical Union 2016 

References

Oguri, M. 2010, PASJ, 62, 1017 Google Scholar
Ishigaki, M., Kawamata, R., Ouchi, M., Oguri, M., Shimasaku, K., & Ono, Y. 2015, ApJ, 799, 12 Google Scholar
Kawamata, R., Ishigaki, M., Shimasaku, K., Oguri, M., & Ouchi, M. 2015, ApJ, 804, 103 Google Scholar