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Second Epoch of Simultaneous λ3.6 and λ13 cm Observations of the Pair of Quasars 1038+528 A,B

Published online by Cambridge University Press:  03 August 2017

J. M. Marcaide ,
N. Bartel ,
R. J. Bonometti ,
B. E. Corey ,
W. D. Cotton ,
M. V. Gorenstein ,
R. A. Preston ,
M. I. Ratner ,
A.E.E. Rogers  and
I. I. Shapiro
J. M. Marcaide
Affiliation:
Instituto de Astrofisica de Andalucia, Granada, Spain
N. Bartel
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA
R. J. Bonometti
Affiliation:
US Military Academy, West Point, NY, USA
B. E. Corey
Affiliation:
Haystack Observatory, Westford, MA, USA
W. D. Cotton
Affiliation:
National Radio Astronomy Observatory, Charlottesville, VA, USA
M. V. Gorenstein
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA
R. A. Preston
Affiliation:
Jet Propulsion Laboratory, Pasadena, CA, USA
M. I. Ratner
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA
A.E.E. Rogers
Affiliation:
Haystack Observatory, Westford, MA, USA
I. I. Shapiro
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA

Extract

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On 1983 May 10–11 we undertook simultaneous λ3.6 and λ13 cm Mark III VLBI observations of the quasars 1038+528 A,B. Our experimental conditions (i.e., synthesized band, uv-coverage, etc.) were almost identical to those we used on 1981 March 17–18. Thus, we could make a direct comparison of the results from both epochs.

Type
Extragalactic
Information
Symposium - International Astronomical Union , Volume 129: The Impact of VLBI on Astrophysics and Geophysics , 1988 , pp. 101 - 102
Copyright
Copyright © Reidel 1988 

References

Marcaide, J.M. and Shapiro, I.I. 1983 A.J., 88, 1133.CrossRefGoogle Scholar
Marcaide, J.M. and Shapiro, I.I. 1984 Ap. J., 276, 56.CrossRefGoogle Scholar
Marcaide, J.M. et al. 1985 A.A., 142, 71.Google Scholar