Why do compact active galactic nuclei at high redshift scintillate less?

Date

2012

Authors

Koay, J. Y.
Macquart, J. P
Rickett, B. J.
Bignall, H. E.
Jauncey, David
Pursimo, T
Reynolds, C
Lovell, J
Kedziora-Chudczer, Lucyna L.
Ojha, R

Journal Title

Journal ISSN

Volume Title

Publisher

IOP Publishing

Abstract

The fraction of compact active galactic nuclei (AGNs) that exhibit interstellar scintillation (ISS) at radio wavelengths, as well as their scintillation amplitudes, have been found to decrease significantly for sources at redshifts z ≳ 2. This can be at

Description

Keywords

Keywords: cosmology: observations; galaxies: active; intergalactic medium; ISM: structure; quasars: general; radio continuum: ISM

Citation

Source

Astrophysical Journal, The

Type

Journal article

Book Title

Entity type

Access Statement

Open Access

License Rights

Restricted until