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A VLBA 15 GHz Small Separation Gravitational Lens Survey

Published online by Cambridge University Press:  25 May 2016

A.R. Patnaik
Affiliation:
MPIfR, Bonn, Germany
M.A. Garrett
Affiliation:
NRAL, Jodrell Bank, UK
A. Polatidis
Affiliation:
NRAL, Jodrell Bank, UK
D. Bagri
Affiliation:
NRAO, Socorro, USA

Extract

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We have embarked on a 15 GHz VLBA survey of 1000 flat spectrum sources. We present the results from a 24 hour pilot observing run in which 72 sources were mapped. The primary aims of this project are:

  1. to search for small separation (1-150 mas) gravitational lens systems

  2. to identify targets for current mm and anticipated Space VLBI programs

  3. a morphological classification of compact radio sources at relatively high frequency with sub-mas resolution.

Type
Chapter 11: Lens Surveys
Copyright
Copyright © Kluwer 1996 

References

Patnaik, A.R., Browne, I.W.A., Wilkinson, P.N., & Wrobel, J.M., 1992, MNRAS, 254, 655 CrossRefGoogle Scholar