Formation of the First Black Holes: Current observational status
Abstract
In this chapter, we review the current observational status of the first supermassive black holes. It is clear that such a review can hardly be complete, due to the wealth of surveys that has been pursued, including different wavelengths and different observational techniques. This chapter will focus on the main results that have been obtained, considering the detections of z~6 supermassive black holes in large surveys such as SDSS, CFHQS and Pan-STARRS. In addition, we will discuss upper limits and constraints on the population of the first black holes that can be derived from observational data, in particular in the X-ray regime, as these provide additional relevant information for the comparison with formation scenarios.
Keywords
Cite
@article{arxiv.1807.06055,
title = {Formation of the First Black Holes: Current observational status},
author = {Dominik R. G. Schleicher},
journal= {arXiv preprint arXiv:1807.06055},
year = {2018}
}
Comments
Preprint of the chapter "Current Observational Status", to be published in the review volume "Formation of the First Black Holes", Latif, M. and Schleicher, D.R.G., eds., World Scientific Publishing Company, 2018, pp 223-238 [see https://www.worldscientific.com/worldscibooks/10.1142/10652]. Updated based on received comments