High redshift galaxy surveys

Masanori Iye

doi:10.1117/12.807875

14 July 2008 High redshift galaxy surveys

Masanori Iye

Proceedings Volume 7016, Observatory Operations: Strategies, Processes, and Systems II; 701602 (2008) https://doi.org/10.1117/12.807875
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

A brief overview on the current status of the census of the early universe population is given. Observational surveys of high redshift galaxies provide direct opportunities to witness the cosmic dawn and to have better understanding of how and when infant galaxies evolve into mature ones. It is a much more astronomical approach in contrast to the physical approach of to study the spatial fluctuation of cosmic microwave radiation. Recent findings in these two areas greatly advanced our understanding of the early Universe. I will describe the basic properties of several target objects we are looking for and the concrete methods astronomers are using to discover those objects in early Universe. My talk starts with Lyman α emitters and Lyman break galaxies, then introduces a clever approach to use gravitational lensing effect of clusters of galaxies to detect distant faint galaxies behind the clusters. Finally I will touch on the status and prospects of surveys for quasars and gamma-ray bursts.

Citation Download Citation

Masanori Iye "High redshift galaxy surveys", Proc. SPIE 7016, Observatory Operations: Strategies, Processes, and Systems II, 701602 (14 July 2008); https://doi.org/10.1117/12.807875

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