Hostname: page-component-586b7cd67f-t8hqh Total loading time: 0 Render date: 2024-11-27T04:36:27.777Z Has data issue: false hasContentIssue false
  • English
  • Français

High Resolution Imaging of Compact Radio Sources by Gridding with Regularization

Published online by Cambridge University Press:  12 April 2016

S. F. Likhachev  and
R. M. Hjellming
S. F. Likhachev
Affiliation:
Astro Space Center of Lebedev’s Physical Institute, Moscow, Russia
R. M. Hjellming
Affiliation:
National Radio Astronomy Observatory, Socorro, NM 87801, U.S.A.

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The problem of VLBI image reconstruction is a classical example of an ill-posed problem. A new procedure of gridding with regularization has been developed. This procedure was used in traditional methods (CLEAN, Hybrid) to improve the quality of compact radio source images. A few sources (GRO J1655–40, RY Scuti and Cyg X-1), observed with the VLA and VLBA, were processed with this procedure.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 164: Radio Emission from Galactic and Extragalactic Compact Sources , 1998 , pp. 411 - 412
Copyright
Copyright © Astronomical Society of the Pacific 1998

References

Tikhonov, A.N., et al. 1969. Soviet Astronomy AJ, 13, 374–380.Google Scholar
Cornwell, T. 1983. A&A, 121, 281–285.Google Scholar
Likhachev, S.F. 1996. ASC FIAN preprintemacs #22, 11p.Google Scholar
Hjellming, R.M., & Rupen, M.P. 1995. Nature, 375, 464–468.CrossRefGoogle Scholar
Gehrz, R.D., et al. 1995. ApJ, 439, 417–430.CrossRefGoogle Scholar