Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Discovery of a subparsec radio counterjet in the nucleus of centaurus A
Astrophysical Journal, Volume 466, No. 2 PART II, Year 1996
Notification
URL copied to clipboard!
Description
A subparsec scale radio counterjet has been detected in the nucleus of the closest radio galaxy, Centaurus A (NGC 5128), with VLBI imaging at 2.3 and 8.4 GHz. This is one of the first detections of a VLBI counterjet and provides new constraints on the kinematics of the radio jets emerging from the nucleus of Cen A. A bright, compact core is seen at 8.4 GHz, along with a jet extending along P.A. 51°. The core is completely absorbed at 2.3 GHz. Our images show a much wider gap between the base of the main jet and the counterjet at 2.3 GHz than at 8.4 GHz and also that the core has an extraordinarily inverted spectrum. These observations provide evidence that the innermost 0.4-0.8 pc of the source is seen through a disk or torus of ionized gas which is opaque at low frequencies due to free-free absorption. © 1996. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Jones, Dayton L.
United States, Pasadena
California Institute of Technology
Tingay, Steven John
Unknown Affiliation
Murphy, David W.
Unknown Affiliation
Meier, David L.
Unknown Affiliation
Jauncey, David L.
Unknown Affiliation
Reynolds, John E.
Unknown Affiliation
Tzioumis, Anastasios K.
Unknown Affiliation
Preston, Robert A.
Unknown Affiliation
McCulloch, Peter M.
Unknown Affiliation
Costa, Marco E.
Unknown Affiliation
Kemball, Athol J.
Unknown Affiliation
Nicolson, George D.
Unknown Affiliation
Quick, Jonathan F.H.
Unknown Affiliation
King, Edward A.
Unknown Affiliation
Lovell, James E.J.
Unknown Affiliation
Clay, Roger W.
Unknown Affiliation
Ferris, Richard H.
Unknown Affiliation
Gough, Russell G.
Unknown Affiliation
Sinclair, Malcolm W.
Unknown Affiliation
Ellingsen, S. P.
Unknown Affiliation
Edwards, Philip G.
Unknown Affiliation
Jones, Paul A.
Unknown Affiliation
van Ommen, Tas D.
Unknown Affiliation
Harbison, Paul A.
Unknown Affiliation
Migénes, Victor
Unknown Affiliation
Statistics
Citations: 78
Authors: 25
Affiliations: 1
Identifiers
Doi:
10.1086/310183
ISSN:
0004637X