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Torino Programme on Radiosources Astrometry: Progress Report

Published online by Cambridge University Press:  19 July 2016

G. Chiumiento ,
M. G. Lattanzi ,
G. Massone ,
R. Morbidelli ,
R. Pannunzio  and
M. Sarasso
G. Chiumiento
Affiliation:
(1) Torino Astronomical Observatory, 10025 Pino Torinese (TO), Italy
M. G. Lattanzi
Affiliation:
(1) Torino Astronomical Observatory, 10025 Pino Torinese (TO), Italy (2) Space Telescope Science Institute, Baltimore MD 21218, USA
G. Massone
Affiliation:
(1) Torino Astronomical Observatory, 10025 Pino Torinese (TO), Italy
R. Morbidelli
Affiliation:
(1) Torino Astronomical Observatory, 10025 Pino Torinese (TO), Italy
R. Pannunzio
Affiliation:
(1) Torino Astronomical Observatory, 10025 Pino Torinese (TO), Italy
M. Sarasso
Affiliation:
(1) Torino Astronomical Observatory, 10025 Pino Torinese (TO), Italy

Abstract

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Measurements of precise positions of optical counterparts of extra-galactic radio-sources, with the aim to compare them with VLBI positions, is in progress at Torino Observatory. The Carlsberg Automatic Meridian Circle Catalogue (CAMC) is used for plate reductions. Presently, about 40% of the plate material required to complete the project has been taken and some significant improvements have been made both in the material and the reduction methods. Improvements are also due to the publication of a new volume of the CAMC catalogue that significantly increases the number of stars in the fields.

Type
Part 4: Realization and comparison of reference frames
Information
Symposium - International Astronomical Union , Volume 141: Inertial Coordinate System on the Sky , 1990 , pp. 501 - 502
Copyright
Copyright © Kluwer 1990 

References

REFERENCES

Argue, A. et al. : 1984, Astron. Astrophys. 130, 191.Google Scholar
Chiumiento, et al. : IAU Coll. No. 100, Belgrade 1987, Cel. Mechanics , in press.Google Scholar